User contributions
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- 22:58, 16 August 2013 (diff | hist) . . (-12) . . Ongoing Mathematical Tournaments and Marathons on AoPS
- 19:23, 11 May 2013 (diff | hist) . . (+205) . . 2013 USAMO (→Problem 6)
- 19:23, 11 May 2013 (diff | hist) . . (+75) . . 2013 USAMO (→Problem 5)
- 19:22, 11 May 2013 (diff | hist) . . (+118) . . 2013 USAMO (→Problem 4)
- 19:22, 11 May 2013 (diff | hist) . . (+158) . . 2013 USAMO (→Problem 3)
- 19:21, 11 May 2013 (diff | hist) . . (+163) . . 2013 USAMO (→Problem 2)
- 19:21, 11 May 2013 (diff | hist) . . (+257) . . 2013 USAMO (→Problem 1)
- 19:19, 11 May 2013 (diff | hist) . . (+117) . . 2013 USAJMO (→Problem 6)
- 19:19, 11 May 2013 (diff | hist) . . (+321) . . 2013 USAJMO (→Problem 5)
- 19:19, 11 May 2013 (diff | hist) . . (+238) . . 2013 USAJMO (→Problem 4)
- 19:18, 11 May 2013 (diff | hist) . . (-6) . . 2013 USAJMO (→Problem 2)
- 19:18, 11 May 2013 (diff | hist) . . (+111) . . 2013 USAJMO (→Problem 2)
- 19:17, 11 May 2013 (diff | hist) . . (+293) . . 2013 USAJMO (→Problem 3)
- 19:16, 11 May 2013 (diff | hist) . . (+69) . . 2013 USAJMO (→Day 1)
- 14:05, 10 February 2013 (diff | hist) . . (0) . . 2012 AMC 12B Problems/Problem 25 (→Solution 2)
- 14:05, 10 February 2013 (diff | hist) . . (-1,106) . . 2012 AMC 12B Problems/Problem 25 (→Solution 1)
- 14:20, 30 October 2012 (diff | hist) . . (+401) . . 1970 IMO Problems/Problem 5 (→Solution)
- 17:05, 4 October 2012 (diff | hist) . . (+931) . . N Rapid Rabbit Relays (Created page with "'''Rapid Rabbit Relays''' is an event during the Detroit Country Day Math Invitational Contest. The Rapid Rabbit Relays are structured such that there are 4 members in each team-...") (current)
- 14:28, 2 October 2012 (diff | hist) . . (+488) . . 2006 IMO Problems/Problem 4
- 14:27, 2 October 2012 (diff | hist) . . (+22) . . 2006 IMO Problems/Problem 4
- 14:41, 24 August 2012 (diff | hist) . . (+534) . . 2012 AIME I Problems/Problem 6
- 14:39, 24 August 2012 (diff | hist) . . (+483) . . 2012 AIME I Problems/Problem 2
- 14:38, 24 August 2012 (diff | hist) . . (+2) . . 2012 AIME I Problems/Problem 1
- 14:38, 24 August 2012 (diff | hist) . . (+17) . . 2012 AIME I Problems/Problem 1
- 14:37, 24 August 2012 (diff | hist) . . (+803) . . 2012 AIME I Problems/Problem 1
- 22:09, 29 July 2012 (diff | hist) . . (+26) . . 2002 AMC 8 Problems/Problem 14 (→Solution #1)
- 22:09, 29 July 2012 (diff | hist) . . (-62) . . 2002 AMC 8 Problems/Problem 14 (→Solution #1)
- 22:07, 29 July 2012 (diff | hist) . . (-13) . . 2002 AMC 8 Problems/Problem 14 (→Solution #2)
- 17:10, 17 July 2012 (diff | hist) . . (+1) . . 1980 AHSME Problems/Problem 1 (→Problem)
- 13:11, 16 July 2012 (diff | hist) . . (+498) . . N 1980 AHSME Problems/Problem 10 (Created page with "==Problem== The number of teeth in three meshed gears <math>A</math>, <math>B</math>, and <math>C</math> are <math>x</math>, <math>y</math>, and <math>z</math>, respectively. (T...")
- 13:11, 16 July 2012 (diff | hist) . . (+398) . . N 1980 AHSME Problems/Problem 9 (Created page with "==Problem== A man walks <math>x</math> miles due west, turns <math>150^\circ</math> to his left and walks 3 miles in the new direction. If he finishes a a point <math>\sqrt{3}</...")
- 13:11, 16 July 2012 (diff | hist) . . (+352) . . N 1980 AHSME Problems/Problem 8 (Created page with "==Problem== How many pairs <math>(a,b)</math> of non-zero real numbers satisfy the equation <cmath> \frac{1}{a} + \frac{1}{b} = \frac{1}{a+b} </cmath> <math>\text{(A)} \ \text...")
- 13:10, 16 July 2012 (diff | hist) . . (+903) . . N 1980 AHSME Problems/Problem 7 (Created page with "==Problem== Sides <math>AB,BC,CD</math> and <math>DA</math> of convex polygon <math>ABCD</math> have lengths 3,4,12, and 13, respectively, and <math>\measuredangle CBA</math> is...")
- 13:10, 16 July 2012 (diff | hist) . . (+265) . . N 1980 AHSME Problems/Problem 6 (Created page with "==Problem== A positive number <math>x</math> satisfies the inequality <math>\sqrt{x} < 2x</math> if and only if <math>\text{(A)} \ x > \frac{1}{4} \qquad \text{(B)} \ x > 2 \qqu...")
- 13:09, 16 July 2012 (diff | hist) . . (+782) . . N 1980 AHSME Problems/Problem 5 (Created page with "==Problem== If <math>AB</math> and <math>CD</math> are perpendicular diameters of circle <math>Q</math>, <math>P</math> in <math>\overline{AQ}</math>, and <math>\measuredangle Q...")
- 13:08, 16 July 2012 (diff | hist) . . (+723) . . N 1980 AHSME Problems/Problem 4 (Created page with "==Problem== In the adjoining figure, CDE is an equilateral triangle and ABCD and DEFG are squares. The measure of <math>\angle GDA</math> is <math>\text{(A)} \ 90^\circ \qquad ...")
- 13:07, 16 July 2012 (diff | hist) . . (+307) . . N 1980 AHSME Problems/Problem 3 (Created page with "==Problem== If the ratio of <math>2x-y</math> to <math>x+y</math> is <math>\frac{2}{3}</math>, what is the ratio of <math>x</math> to <math>y</math>? <math>\text{(A)} \ \frac{1...")
- 13:07, 16 July 2012 (diff | hist) . . (-2) . . 1980 AHSME Problems/Problem 1
- 13:07, 16 July 2012 (diff | hist) . . (-2) . . 1980 AHSME Problems/Problem 2
- 13:07, 16 July 2012 (diff | hist) . . (+217) . . N 1980 AHSME Problems/Problem 2 (Created page with "==Problem 2== The degree of <math>(x^2+1)^4 (x^3+1)^3</math> as a polynomial in <math>x</math> is <math>\text{(A)} \ 5 \qquad \text{(B)} \ 7 \qquad \text{(C)} \ 12 \qquad \text{...")
- 13:06, 16 July 2012 (diff | hist) . . (+214) . . N 1980 AHSME Problems/Problem 1 (Created page with "==Problem 1== The largest whole number such that seven times the number is less than 100 is <math>\text{(A)} \ 12 \qquad \text{(B)} \ 13 \qquad \text{(C)} \ 14 \qquad \text{(D)...")
- 10:23, 23 June 2012 (diff | hist) . . (-205) . . Ongoing Mathematical Tournaments and Marathons on AoPS (→Ongoing Tournaments)
- 13:07, 4 May 2012 (diff | hist) . . (+37) . . AoPS Wiki:FAQ (→What do some of the acronyms such as "OP" stand for?)
- 19:42, 9 April 2012 (diff | hist) . . (+54) . . Mock AIME 3 Pre 2005/Problem 15 (Redirected page to Mock AIME 3 Pre 2005 Problems/Problem 15) (current)
- 19:42, 9 April 2012 (diff | hist) . . (-54) . . Mock AIME 3 Pre 2005/Problem 15 (Blanked the page)
- 21:08, 4 April 2012 (diff | hist) . . (+185) . . Pick's Theorem
- 10:39, 4 April 2012 (diff | hist) . . (-30) . . AoPS Wiki:Community portal
- 16:10, 24 February 2012 (diff | hist) . . (+564) . . N 2012 AMC 12B Problems/Problem 21 (Created page with "==Problem== Square <math>AXYZ</math> is inscribed in equiangular hexagon <math>ABCDEF</math> with <math>X</math> on <math>\overline{BC}</math>, <math>Y</math> on <math>\overline...")
- 16:09, 24 February 2012 (diff | hist) . . (+409) . . N 2012 AMC 12B Problems/Problem 17 (Created page with "==Problem== Square <math>PQRS</math> lies in the first quadrant. Points <math>(3,0), (5,0), (7,0),</math> and <math>(13,0)</math> lie on lines <math>SP, RQ, PQ</math>, and <math...")
- 16:02, 24 February 2012 (diff | hist) . . (+85) . . m 2012 AMC 12B Problems/Problem 2 (→Solution)
- 11:01, 21 February 2012 (diff | hist) . . (+54) . . Stanford Mathematics Tournament Problems
- 11:01, 21 February 2012 (diff | hist) . . (+212) . . N Stanford Mathematics Tournament Problems (Created page with "Stanford Mathematics Tournament problems and solutions by test: * 2000 * 2001 * 2002 * 2003 * 2004 * 2005 * 2006 * 2007 * 2008 * [[2009]...")
- 20:55, 16 February 2012 (diff | hist) . . (+16) . . 1987 AIME Problems/Problem 6
- 23:04, 6 February 2012 (diff | hist) . . (+467) . . 2009 AMC 10A Problems/Problem 18 (→Solution: Added 2nd Solution)
- 21:44, 5 February 2012 (diff | hist) . . (-12) . . User:Mrdavid445 (Replaced content with "?") (current)
- 21:44, 5 February 2012 (diff | hist) . . (+194) . . N 2010 AMC 12B Answer Key (Created page with "==2010 AMC 12 B Answer Key== 1. C 2. A 3. E 4. B 5. D 6. D 7. C 8. B 9. E 10. B 11. E 12. D 13. C 14. B 15. D 16. E 17. D 18. C 19. E 20. E 21. B 22. D 23....")
- 21:41, 5 February 2012 (diff | hist) . . (+29) . . 2010 AMC 12B
- 21:39, 5 February 2012 (diff | hist) . . (+1) . . 2008 AMC 12A Problems/Problem 18 (→Solution: Deleted black box)
- 17:33, 1 February 2012 (diff | hist) . . (+222) . . 2003 AMC 12B Problems/Problem 25 (→Solution: Added $\LaTeX$)
- 20:18, 31 January 2012 (diff | hist) . . (+42) . . AoPS Wiki:FAQ (→What do some of the acronyms such as "OP" stand for?)
- 20:17, 31 January 2012 (diff | hist) . . (+222) . . AoPS Wiki:FAQ (→What do some of the acronyms such as "OP" stand for?)
- 20:09, 31 January 2012 (diff | hist) . . (+34) . . AoPS Wiki:FAQ (→What do some of the acronyms such as "OP" stand for?)
- 20:08, 31 January 2012 (diff | hist) . . (+98) . . AoPS Wiki:FAQ (→Miscellaneous: Added some acronyms section, please add/delete if need be.)
- 20:47, 30 January 2012 (diff | hist) . . (0) . . 2006 AMC 12B Problems/Problem 15 (→Solution 2)
- 20:47, 30 January 2012 (diff | hist) . . (+215) . . 2006 AMC 12B Problems/Problem 15 (→Solution 2)
- 22:38, 25 January 2012 (diff | hist) . . (+27) . . 2010 AMC 10B Answer Key
- 10:58, 22 January 2012 (diff | hist) . . (-247) . . Talk:CSS: Basics
- 00:39, 22 January 2012 (diff | hist) . . (+227) . . AMC Problems and Solutions
- 00:18, 21 January 2012 (diff | hist) . . (+5) . . m AoPS Wiki:FAQ (→Why can't I edit the wiki?: More tidying up)
- 00:13, 21 January 2012 (diff | hist) . . (+3) . . m AoPS Wiki:FAQ (→Forums: A little tidying up)
- 22:20, 18 January 2012 (diff | hist) . . (+2) . . AoPS Wiki:FAQ (→Are posts marked spam more often than good?)
- 22:19, 18 January 2012 (diff | hist) . . (-32) . . AoPS Wiki:FAQ (→There are a lot of choices! I feel like joining! But what are my class choices?: Deleted some words because of redundancy)
- 22:18, 18 January 2012 (diff | hist) . . (+154) . . AoPS Wiki:FAQ (→AoPSWiki)
- 13:57, 18 January 2012 (diff | hist) . . (+1,789) . . N 1988 AHSME (Created page with "'''1988 AHSME''' problems and solutions. The first link contains the full set of test problems. The rest contain each individual problem and its solution. * [[1988 AHSME Probl...")
- 13:54, 18 January 2012 (diff | hist) . . (-999) . . Template:AHSME box
- 13:53, 18 January 2012 (diff | hist) . . (+1,000) . . Template:AHSME box
- 13:48, 18 January 2012 (diff | hist) . . (+1,751) . . N 1991 AHSME (Created page with "'''1993 AHSME''' problems and solutions. The first link contains the full set of test problems. The rest contain each individual problem and its solution. * [[1991 AHSME Probl...")
- 13:47, 18 January 2012 (diff | hist) . . (+1,751) . . N 1992 AHSME (Created page with "'''1992 AHSME''' problems and solutions. The first link contains the full set of test problems. The rest contain each individual problem and its solution. * [[1992 AHSME Probl...")
- 13:45, 18 January 2012 (diff | hist) . . (+683) . . N 1950 AHSME Problems/Problem 50 (Created page with "==Problem== A privateer discovers a merchantman <math>10</math> miles to leeward at 11:45 a.m. and with a good breeze bears down upon her at <math>11</math> mph, while the merch...")
- 13:45, 18 January 2012 (diff | hist) . . (+757) . . N 1950 AHSME Problems/Problem 49 (Created page with "==Problem== A triangle has a fixed base <math>AB</math> that is <math>2</math> inches long. The median from <math>A</math> to side <math>BC</math> is <math> 1\frac{1}{2}</math> ...")
- 13:45, 18 January 2012 (diff | hist) . . (+557) . . N 1950 AHSME Problems/Problem 48 (Created page with "==Problem== A point is selected at random inside an equilateral triangle. From this point perpendiculars are dropped to each side. The sum of these perpendiculars is: <math>\te...")
- 13:44, 18 January 2012 (diff | hist) . . (+463) . . N 1950 AHSME Problems/Problem 47 (Created page with "==Problem== A rectangle inscribed in a triangle has its base coinciding with the base <math>b</math> of the triangle. If the altitude of the triangle is <math>h</math>, and the ...")
- 13:44, 18 January 2012 (diff | hist) . . (+218) . . N 1950 AHSME Problems/Problem 45 (Created page with "==Problem== The number of diagonals that can be drawn in a polygon of 100 sides is: <math>\textbf{(A)}\ 4850 \qquad \textbf{(B)}\ 4950\qquad \textbf{(C)}\ 9900 \qquad \textbf{(...")
- 13:44, 18 January 2012 (diff | hist) . . (+369) . . N 1950 AHSME Problems/Problem 44 (Created page with "==Problem== The graph of <math> y\equal{}\log x</math> <math>\textbf{(A)}\text{Cuts the }y\text{-axis} \qquad\\ \textbf{(B)}\ \text{Cuts all lines perpendicular to the }x\text{...")
- 13:43, 18 January 2012 (diff | hist) . . (+323) . . N 1950 AHSME Problems/Problem 43 (Created page with "==Problem== The sum to infinity of <math> \frac{1}{7}\plus{}\frac {2}{7^2}\plus{}\frac{1}{7^3}\plus{}\frac{2}{7^4}\plus{}...</math> is: <math>\textbf{(A)}\ \frac{1}{5} \qquad \...")
- 13:43, 18 January 2012 (diff | hist) . . (+270) . . N 1950 AHSME Problems/Problem 42 (Created page with "==Problem== The equation <math> x^{x^{x}}...\equal{}2</math> is satisfied when <math>x</math> is equal to: <math>\textbf{(A)}\ \infty \qquad \textbf{(B)}\ 2 \qquad \textbf{(C)}...")
- 13:42, 18 January 2012 (diff | hist) . . (+296) . . N 1950 AHSME Problems/Problem 41 (Created page with "==Problem== The least value of the function <math> ax^2\plus{}bx\plus{}c</math> with <math>a>0</math> is: <math>\textbf{(A)}\ -\dfrac{b}{a} \qquad \textbf{(B)}\ -\dfrac{b}{2a}...")
- 13:42, 18 January 2012 (diff | hist) . . (+274) . . N 1950 AHSME Problems/Problem 40 (Created page with "==Problem== The limit of <math> \frac {x^2\minus{}1}{x\minus{}1}</math> as <math>x</math> approaches <math>1</math> as a limit is: <math>\textbf{(A)}\ 0 \qquad \textbf{(B)}\ \t...")
- 13:42, 18 January 2012 (diff | hist) . . (+482) . . N 1950 AHSME Problems/Problem 37 (Created page with "==Probelm== If <math> y \equal{} \log_{a}{x}</math>, <math> a > 1</math>, which of the following statements is incorrect? <math>\textbf{(A)}\ \text{If }x=1,y=0 \qquad\\ \textbf...")
- 13:41, 18 January 2012 (diff | hist) . . (+441) . . N 1950 AHSME Problems/Problem 36 (Created page with "==Problem== A merchant buys goods at <math> 25\%</math> of the list price. He desires to mark the goods so that he can give a discount of <math> 20\%</math> on the marked price ...")
- 13:41, 18 January 2012 (diff | hist) . . (+372) . . N 1950 AHSME Problems/Problem 34 (Created page with "==Problem== When the circumference of a toy balloon is increased from <math>20</math> inches to <math>25</math> inches, the radius is increased by: <math>\textbf{(A)}\ 5\text{ ...")
- 13:41, 18 January 2012 (diff | hist) . . (+324) . . N 1950 AHSME Problems/Problem 33 (Created page with "==Problem== The number of circular pipes with an inside diameter of <math>1</math> inch which will carry the same amount of water as a pipe with an inside diameter of <math>6</m...")
- 13:40, 18 January 2012 (diff | hist) . . (+433) . . N 1950 AHSME Problems/Problem 32 (Created page with "==Problem== A <math>25</math> foot ladder is placed against a vertical wall of a building. The foot of the ladder is <math>7</math> feet from the base of the building. If the to...")
- 13:40, 18 January 2012 (diff | hist) . . (+564) . . N 1950 AHSME Problems/Problem 31 (Created page with "==Problem== ohn ordered <math>4</math> pairs of black socks and some additional pairs of blue socks. The price of the black socks per pair was twice that of the blue. When the o...")
- 13:40, 18 January 2012 (diff | hist) . . (+747) . . N 1950 AHSME Problems/Problem 39 (Created page with "==Problem== Given the series <math> 2\plus{}1\plus{}\frac {1}{2}\plus{}\frac {1}{4}\plus{}...</math> and the following five statements: (1) the sum increases without limit (2) t...")
- 13:39, 18 January 2012 (diff | hist) . . (+393) . . N 1950 AHSME Problems/Problem 30 (Created page with "==Problem== From a group of boys and girls, <math>15</math> girls leave. There are then left two boys for each girl. After this <math>45</math> boys leave. There are then <math>...")
- 13:39, 18 January 2012 (diff | hist) . . (+656) . . N 1950 AHSME Problems/Problem 29 (Created page with "==Problem== A manufacturer built a machine which will address <math>500</math> envelopes in <math>8</math> minutes. He wishes to build another machine so that when both are oper...")
- 13:39, 18 January 2012 (diff | hist) . . (+562) . . N 1950 AHSME Problems/Problem 28 (Created page with "==Problem== Two boys <math>A</math> and <math>B</math> start at the same time to ride from Port Jervis to Poughkeepsie, <math>60</math> miles away. <math>A</math> travels <math>...")
- 12:06, 16 January 2012 (diff | hist) . . (-234) . . Michigan Mathematics Prize Competition (current)
- 15:34, 8 January 2012 (diff | hist) . . (+1,445) . . 2002 AMC 8 Problems/Problem 10
- 15:33, 8 January 2012 (diff | hist) . . (-15) . . 2002 AMC 8 Problems/Problem 10
- 14:01, 23 December 2011 (diff | hist) . . (-2,659) . . Talk:Base numbers (→Ugg Boots Outlet)
- 14:01, 23 December 2011 (diff | hist) . . (-2,571) . . Talk:Base numbers (→Ugg Boots UK Online)
- 14:01, 23 December 2011 (diff | hist) . . (-3,738) . . Talk:Base numbers (→Ugg Boots UK)
- 23:36, 17 December 2011 (diff | hist) . . (+14) . . AoPS Wiki:FAQ (→I have made some posts but my post count did not increase. Why?)
- 23:30, 17 December 2011 (diff | hist) . . (+7) . . AoPS Wiki:FAQ (→How can I download LaTeX for personal use?)
- 23:29, 17 December 2011 (diff | hist) . . (+187) . . AoPS Wiki:FAQ (→Contests)
- 15:32, 1 December 2011 (diff | hist) . . (+15) . . 2011 AMC 8 Answer Key
- 12:51, 25 November 2011 (diff | hist) . . (+966) . . 2011 AMC 8
- 12:49, 25 November 2011 (diff | hist) . . (-6,597) . . 2011 AMC 8 (Blanked the page)
- 22:51, 12 November 2011 (diff | hist) . . (+175) . . 2011 AMC 10B Answer Key
- 16:16, 2 November 2011 (diff | hist) . . (+168) . . N AoPS Wiki:Problem of the Day/November 2, 2011 (Created page with "==November 2== Suppose <math>a</math> is a complex number such that <math>a^{10} + a^5 + 1 = 0</math> Determine the value of <math>a^{2005}+\frac{1}{a^{2005}}</math>") (current)
- 16:14, 2 November 2011 (diff | hist) . . (-103) . . AoPS Wiki talk:Problem of the Day/November 2, 2011
- 13:10, 1 November 2011 (diff | hist) . . (+151) . . N AoPS Wiki talk:Problem of the Day/November 1, 2011 (Created page with "==October 31== Determine the greatest integer that will divide 13,511, 13,903 and 14,589 and leave the same remainder. Answer: <math>\boxed{98}</math>") (current)
- 22:19, 31 October 2011 (diff | hist) . . (+208) . . N AoPS Wiki:Problem of the Day/November 1, 2011 (Created page with "==November 1== Two perpendicular chords intersect in a circle. The lengths of the segments of one chord are 3 and 4. The lengths of the segments of the other chord are 6 and 2. F...")
- 19:09, 31 October 2011 (diff | hist) . . (-2) . . AoPS Wiki talk:Problem of the Day/October 31, 2011 (current)
- 18:21, 31 October 2011 (diff | hist) . . (+38) . . N AoPS Wiki talk:Problem of the Day/October 31, 2011 (Created page with "Please PM your answer/solution to POTD")
- 16:53, 31 October 2011 (diff | hist) . . (+187) . . N AoPS Wiki:Problem of the Day/October 31, 2011 (Created page with "==October 31== Determine the greatest integer that will divide 13,511, 13,903 and 14,589 and leave the same remainder. Please PM your answer/solution to: POTD (Yes, he is a r...")
- 16:19, 12 October 2011 (diff | hist) . . (+12) . . N User:Mrdavid500 (Created page with "=Registered=") (current)
- 16:18, 12 October 2011 (diff | hist) . . (+12) . . N User:Knittingfrenzy18 (Created page with "=Registered=")
- 10:24, 31 August 2011 (diff | hist) . . (+149) . . N 1968 AHSME (Created page with "==Problem 1== ==Problem 2== ==Problem 3== ==Problem 4== ==Problem 5== ==Problem 6== ==Problem 7== ==Problem 8== ==Problem 9== ==Problem 10==")
- 15:13, 29 August 2011 (diff | hist) . . (+491) . . N 1989 AHSME Problems/Problem 17 (Created page with "==Problem== The perimeter of an equilateral triangle exceeds the perimeter of a square by <math>1989 \ \text{cm}</math>. The length of each side of the triangle exceeds the leng...")
- 11:39, 29 August 2011 (diff | hist) . . (-165) . . User:Mrdavid445 (Replaced content with "Magical Bunny")
- 20:30, 19 August 2011 (diff | hist) . . (+450) . . N 1995 AJHSME Problems/Problem 25 (Created page with "==Problem== Buses from Dallas to Houston leave every hour on the hour. Buses from Houston to Dallas leave every hour on the half hour. The trip from one city to the other takes...")
- 20:30, 19 August 2011 (diff | hist) . . (+1,056) . . N 1995 AJHSME Problems/Problem 24 (Created page with "==Problem== In parallelogram <math>ABCD</math>, <math>\overline{DE}</math> is the altitude to the base <math>\overline{AB}</math> and <math>\overline{DF}</math> is the altitude t...")
- 20:29, 19 August 2011 (diff | hist) . . (+281) . . N 1995 AJHSME Problems/Problem 23 (Created page with "==Problem== How many four-digit whole numbers are there such that the leftmost digit is odd, the second digit is even, and all four digits are different? <math>\text{(A)}\ 1120...")
- 20:28, 19 August 2011 (diff | hist) . . (+274) . . N 1995 AJHSME Problems/Problem 22 (Created page with "==Problem== The number <math>6545</math> can be written as a product of a pair of positive two-digit numbers. What is the sum of this pair of numbers? <math>\text{(A)}\ 162 \q...")
- 20:28, 19 August 2011 (diff | hist) . . (+659) . . Nm 1995 AJHSME Problems/Problem 21 (Created page with "==Problem== A plastic snap-together cube has a protruding snap on one side and receptacle holes on the other five sides as shown. What is the smallest number of these cubes tha...")
- 20:27, 19 August 2011 (diff | hist) . . (+369) . . N 1995 AJHSME Problems/Problem 20 (Created page with "==Problem== Diana and Apollo each roll a standard die obtaining a number at random from <math>1</math> to <math>6</math>. What is the probability that Diana's number is larger ...")
- 20:26, 19 August 2011 (diff | hist) . . (+1,371) . . N 1995 AJHSME Problems/Problem 19 (Created page with "==Problem== The graph shows the distribution of the number of children in the families of the students in Ms. Jordan's English class. The median number of children in the family...")
- 20:25, 19 August 2011 (diff | hist) . . (+492) . . N 1995 AJHSME Problems/Problem 18 (Created page with "==Problem== The area of each of the four congruent L-shaped regions of this 100-inch by 100-inch square is 3/16 of the total area. How many inches long is the side of the cente...")
- 20:24, 19 August 2011 (diff | hist) . . (-8) . . 1995 AJHSME Problems/Problem 17 (→Problem)
- 20:24, 19 August 2011 (diff | hist) . . (+735) . . N 1995 AJHSME Problems/Problem 17 (Created page with "==Problem== The table below gives the percent of students in each grade at Annville and Cleona elementary schools: \[\begin{tabular}{rccccccc} & \textbf{\underline{K}} & \text...")
- 20:23, 19 August 2011 (diff | hist) . . (+686) . . N 1995 AJHSME Problems/Problem 16 (Created page with "==Problem== Students from three middle schools worked on a summer project. *Seven students from Allen school worked for <math>3</math> days. *Four students from Balboa school w...")
- 20:22, 19 August 2011 (diff | hist) . . (+245) . . N 1995 AJHSME Problems/Problem 15 (Created page with "==Problem== What is the <math>100^\text{th}</math> digit to the right of the decimal point in the decimal form of <math>4/37</math>? <math>\text{(A)}\ 0 \qquad \text{(B)}\ 1 \q...")
- 20:21, 19 August 2011 (diff | hist) . . (+336) . . N 1995 AJHSME Problems/Problem 14 (Created page with "==Problem== A team won <math>40</math> of its first <math>50</math> games. How many of the remaining <math>40</math> games must this team win so it will have won exactly <math>...")
- 20:19, 19 August 2011 (diff | hist) . . (+827) . . N 1995 AJHSME Problems/Problem 13 (Created page with "==Problem== In the figure, <math>\angle A</math>, <math>\angle B</math>, and <math>\angle C</math> are right angles. If <math>\angle AEB = 40^\circ </math> and <math>\angle BED...")
- 20:15, 19 August 2011 (diff | hist) . . (+434) . . N 1993 AJHSME Problems/Problem 25 (Created page with "==Problem== A checkerboard consists of one-inch squares. A square card, <math>1.5</math> inches on a side, is placed on the board so that it covers part or all of the area of e...")
- 20:15, 19 August 2011 (diff | hist) . . (+6) . . 1993 AJHSME Problems/Problem 24 (→Problem)
- 20:15, 19 August 2011 (diff | hist) . . (+336) . . N 1993 AJHSME Problems/Problem 24 (Created page with "==Problem== What number is directly above <math>142</math> in this array of numbers? \[\begin{tabular}{cccccc} & & & 1 & & \\ & & 2 & 3 & 4 & \\ & 5 & 6 & 7 & 8 & 9 \\ 10 & 11...")
- 20:14, 19 August 2011 (diff | hist) . . (+537) . . N 1993 AJHSME Problems/Problem 23 (Created page with "==Problem== Five runners, <math>P</math>, <math>Q</math>, <math>R</math>, <math>S</math>, <math>T</math>, have a race, and <math>P</math> beats <math>Q</math>, <math>P</math> be...")
- 20:14, 19 August 2011 (diff | hist) . . (+305) . . N 1993 AJHSME Problems/Problem 22 (Created page with "==Problem== Pat Peano has plenty of 0's, 1's, 3's, 4's, 5's, 6's, 7's, 8's and 9's, but he has only twenty-two 2's. How far can he number the pages of his scrapbook with these ...")
- 20:14, 19 August 2011 (diff | hist) . . (+286) . . N 1993 AJHSME Problems/Problem 21 (Created page with "==Problem== If the length of a rectangle is increased by <math>20\% </math> and its width is increased by <math>50\% </math>, then the area is increased by <math>\text{(A)}\ 1...")
- 20:13, 19 August 2011 (diff | hist) . . (+225) . . N 1993 AJHSME Problems/Problem 20 (Created page with "==Problem== When <math>10^{93}-93</math> is expressed as a single whole number, the sum of the digits is <math>\text{(A)}\ 10 \qquad \text{(B)}\ 93 \qquad \text{(C)}\ 819 \qqua...")
- 20:13, 19 August 2011 (diff | hist) . . (+230) . . N 1993 AJHSME Problems/Problem 19 (Created page with "==Problem== <math>(1901+1902+1903+\cdots + 1993) - (101+102+103+\cdots + 193) = </math> <math>\text{(A)}\ 167,400 \qquad \text{(B)}\ 172,050 \qquad \text{(C)}\ 181,071 \qquad \...")
- 20:12, 19 August 2011 (diff | hist) . . (+697) . . N 1993 AJHSME Problems/Problem 18 (Created page with "==Problem== The rectangle shown has length <math>AC=32</math>, width <math>AE=20</math>, and <math>B</math> and <math>F</math> are midpoints of <math>\overline{AC}</math> and <m...")
- 20:10, 19 August 2011 (diff | hist) . . (+868) . . N 1993 AJHSME Problems/Problem 17 (Created page with "==Problem== Square corners, <math>5</math> units on a side, are removed from a <math>20</math> unit by <math>30</math> unit rectangular sheet of cardboard. The sides are then f...")
- 20:09, 19 August 2011 (diff | hist) . . (+185) . . N 1993 AJHSME Problems/Problem 16 (Created page with "==Problem== <math> \frac{1}{1+\frac{1}{2+\frac{1}{3}}}= </math> <math> \text{(A)}\ 81.0\qquad\text{(B)}\ 82.7\qquad\text{(C)}\ 83.0\qquad\text{(D)}\ 84.0\qquad\text{(E)}\ 84.3 ...")
- 20:08, 19 August 2011 (diff | hist) . . (+307) . . N 1993 AJHSME Problems/Problem 15 (Created page with "==Problem== The arithmetic mean (average) of four numbers is <math>85</math>. If the largest of these numbers is <math>97</math>, then the mean of the remaining three numbers i...")
- 20:07, 19 August 2011 (diff | hist) . . (+6) . . 1993 AJHSME Problems/Problem 14 (→Problem)
- 20:06, 19 August 2011 (diff | hist) . . (0) . . 1993 AJHSME Problems/Problem 14 (→Problem)
- 20:06, 19 August 2011 (diff | hist) . . (+1) . . 1993 AJHSME Problems/Problem 14 (→Problem)
- 20:06, 19 August 2011 (diff | hist) . . (+388) . . N 1993 AJHSME Problems/Problem 14 (Created page with "==Problem== The nine squares in the table shown are to be filled so that every row and every column contains each of the numbers <math>1,2,3</math>. Then <math>A+B=</math> \[\...")
- 20:05, 19 August 2011 (diff | hist) . . (+1,713) . . N 1993 AJHSME Problems/Problem 13 (Created page with "==Problem== The word "'''HELP'''" in block letters is painted in black with strokes <math>1</math> unit wide on a <math>5</math> by <math>15</math> rectangular white sign with d...")
- 20:05, 19 August 2011 (diff | hist) . . (+510) . . N 1993 AJHSME Problems/Problem 12 (Created page with "==Problem== If each of the three operation signs, <math>+</math>, <math>-</math>, <math>\times </math>, is used exactly ONCE in one of the blanks in the expression <cmath>5\hsp...")
- 20:56, 18 August 2011 (diff | hist) . . (+724) . . N 1992 AJHSME Problems/Problem 24 (Created page with "==Problem== Four circles of radius <math>3</math> are arranged as shown. Their centers are the vertices of a square. The area of the shaded region is closest to <asy> fill((3...")
- 20:55, 18 August 2011 (diff | hist) . . (+298) . . N 1992 AJHSME Problems/Problem 23 (Created page with "==Problem== If two dice are tossed, the probability that the product of the numbers showing on the tops of the dice is greater than 10 is <math> \text{(A)}\ \frac{3}{7}\qquad\t...")
- 20:55, 18 August 2011 (diff | hist) . . (+680) . . N 1992 AJHSME Problems/Problem 22 (Created page with "==Problem== Eight <math>1\times 1</math> square tiles are arranged as shown so their outside edges form a polygon with a perimeter of <math>14</math> units. Two additional tile...")
- 20:54, 18 August 2011 (diff | hist) . . (+2,058) . . N 1992 AJHSME Problems/Problem 21 (Created page with "==Problem== Northside's Drum and Bugle Corps raised money for a trip. The drummers and bugle players kept separate sales records. According to the double bar graph, in what mont...")
- 20:52, 18 August 2011 (diff | hist) . . (+1,112) . . N 1992 AJHSME Problems/Problem 20 (Created page with "==Problem== Which pattern of identical squares could NOT be folded along the lines shown to form a cube? <asy> unitsize(12); draw((0,0)--(0,-1)--(1,-1)--(1,-2)--(2,-2)--(2,-3)-...")
- 20:51, 18 August 2011 (diff | hist) . . (+492) . . N 1992 AJHSME Problems/Problem 19 (Created page with "==Problem== The distance between the <math>5^\text{th}</math> and <math>26^\text{th}</math> exits on an interstate highway is <math>118</math> miles. If any two exits are at le...")
- 20:51, 18 August 2011 (diff | hist) . . (+418) . . N 1992 AJHSME Problems/Problem 18 (Created page with "==Problem== On a trip, a car traveled <math>80</math> miles in an hour and a half, then was stopped in traffic for <math>30</math> minutes, then traveled <math>100</math> miles ...")
- 20:50, 18 August 2011 (diff | hist) . . (+510) . . N 1992 AJHSME Problems/Problem 17 (Created page with "==Problem== The sides of a triangle have lengths <math>6.5</math>, <math>10</math>, and <math>s</math>, where <math>s</math> is a whole number. What is the smallest possible va...")
- 20:49, 18 August 2011 (diff | hist) . . (+1,564) . . N 1992 AJHSME Problems/Problem 16 (Created page with "==Problem== <asy> draw(ellipse((0,-5),10,3)); fill((-10,-5)--(10,-5)--(10,5)--(-10,5)--cycle,white); draw(ellipse((0,0),10,3)); draw((10,0)--(10,-5)); draw((-10,0)--(-10,-5)); ...")
- 20:46, 18 August 2011 (diff | hist) . . (+289) . . N 1992 AJHSME Problems/Problem 15 (Created page with "==Problem== What is the <math>1992^\text{nd}</math> letter in this sequence? <cmath>\text{ABCDEDCBAABCDEDCBAABCDEDCBAABCDEDC}\cdots </cmath> <math>\text{(A)}\ \text{A} \qquad ...")
- 12:39, 18 August 2011 (diff | hist) . . (-61) . . 1993 AHSME Problems/Problem 1
- 12:16, 18 August 2011 (diff | hist) . . (-96) . . AMC 12 Problems and Solutions
- 12:15, 18 August 2011 (diff | hist) . . (+425) . . AMC 12 Problems and Solutions
- 11:05, 18 August 2011 (diff | hist) . . (+51) . . AMC 12 Problems and Solutions
- 21:36, 16 August 2011 (diff | hist) . . (+51) . . AMC 12 Problems and Solutions
- 20:19, 16 August 2011 (diff | hist) . . (-25) . . 1979 USAMO
- 20:17, 16 August 2011 (diff | hist) . . (+212) . . N 1979 USAMO Problems/Problem 5 (Created page with "==Problem== Let <math>A_1,A_2,...,A_{n+1}</math> be distinct subsets of <math>[n]</math> with <math>|A_1|=|A_2|=\cdots =|A_n|=3</math>. Prove that <math>|A_i\cap A_j|=1</math> ...")
- 20:17, 16 August 2011 (diff | hist) . . (+1,352) . . N 1979 USAMO Problems/Problem 4 (Created page with "==Problem== <math>P</math> lies between the rays <math>OA</math> and <math>OB</math>. Find <math>Q</math> on <math>OA</math> and <math>R</math> on <math>OB</math> collinear with...")
- 20:16, 16 August 2011 (diff | hist) . . (+432) . . N 1979 USAMO Problems/Problem 3 (Created page with "==Problem== <math>a_1, a_2, \ldots, a_n</math> is an arbitrary sequence of positive integers. A member of the sequence is picked at random. Its value is <math>a</math>. Another...")
- 20:13, 16 August 2011 (diff | hist) . . (+409) . . N 1979 USAMO Problems/Problem 2 (Created page with "==Problem== <math>N</math> is the north pole. <math>A</math> and <math>B</math> are points on a great circle through <math>N</math> equidistant from <math>N</math>. <math>C</mat...")
- 20:02, 16 August 2011 (diff | hist) . . (+201) . . 1978 USAMO Problems (→Problem 5)
- 20:02, 16 August 2011 (diff | hist) . . (+181) . . 1978 USAMO Problems (→Problem 4)
- 20:01, 16 August 2011 (diff | hist) . . (+230) . . 1978 USAMO Problems (→Problem 3)
- 19:59, 16 August 2011 (diff | hist) . . (+302) . . 1978 USAMO Problems (→Problem 2)
- 19:59, 16 August 2011 (diff | hist) . . (+127) . . 1978 USAMO Problems (→Problem 1)
- 15:22, 15 August 2011 (diff | hist) . . (+389) . . 2004 AMC 8 Problems
- 14:55, 15 August 2011 (diff | hist) . . (-1,470) . . 2004 AMC 8 Problems (Blanked the page)
- 14:49, 15 August 2011 (diff | hist) . . (+383) . . N 1994 AJHSME Problems/Problem 25 (Created page with "==Problem== Find the sum of the digits in the answer to <math>\underbrace{9999\cdots 99}_{94\text{ nines}} \times \underbrace{4444\cdots 44}_{94\text{ fours}}</math> where a s...")
- 14:49, 15 August 2011 (diff | hist) . . (+500) . . N 1994 AJHSME Problems/Problem 24 (Created page with "==Problem== A <math>2</math> by <math>2</math> square is divided into four <math>1</math> by <math>1</math> squares. Each of the small squares is to be painted either green or ...")
- 14:48, 15 August 2011 (diff | hist) . . (+370) . . N 1994 AJHSME Problems/Problem 23 (Created page with "==Problem== If <math>X</math>, <math>Y</math> and <math>Z</math> are different digits, then the largest possible <math>3-</math>digit sum for <math>\begin{tabular}{ccc} X & X &...")
- 14:48, 15 August 2011 (diff | hist) . . (+747) . . N 1994 AJHSME Problems/Problem 22 (Created page with "==Problem== The two wheels shown below are spun and the two resulting numbers are added. The probability that the sum is even is <asy> draw(circle((0,0),3)); draw(circle((7,0)...")
- 14:47, 15 August 2011 (diff | hist) . . (+334) . . N 1994 AJHSME Problems/Problem 21 (Created page with "==Problem== A gumball machine contains <math>9</math> red, <math>7</math> white, and <math>8</math> blue gumballs. The least number of gumballs a person must buy to be sure of ...")
- 14:47, 15 August 2011 (diff | hist) . . (+455) . . N 1994 AJHSME Problems/Problem 20 (Created page with "==Problem== Let <math>W,X,Y</math> and <math>Z</math> be four different digits selected from the set <math>\{ 1,2,3,4,5,6,7,8,9\}.</math> If the sum <math>\dfrac{W}{X} + \dfra...")
- 14:46, 15 August 2011 (diff | hist) . . (+941) . . N 1994 AJHSME Problems/Problem 19 (Created page with "==Problem== Around the outside of a <math>4</math> by <math>4</math> square, construct four semicircles (as shown in the figure) with the four sides of the square as their diame...")
- 14:45, 15 August 2011 (diff | hist) . . (+1,815) . . N 1994 AJHSME Problems/Problem 18 (Created page with "==Problem== Mike leaves home and drives slowly east through city traffic. When he reaches the highway he drives east more rapidly until he reaches the shopping mall where he st...")
- 14:44, 15 August 2011 (diff | hist) . . (+569) . . N 1994 AJHSME Problems/Problem 17 (Created page with "==Problem== Pauline Bunyan can shovel snow at the rate of <math>20</math> cubic yards for the first hour, <math>19</math> cubic yards for the second, <math>18</math> for the thi...")
- 14:43, 15 August 2011 (diff | hist) . . (+290) . . N 1994 AJHSME Problems/Problem 16 (Created page with "==Problem== The perimeter of one square is <math>3</math> times the perimeter of another square. The area of the larger square is how many times the area of the smaller square?...")
- 14:42, 15 August 2011 (diff | hist) . . (+1,974) . . N 1994 AJHSME Problems/Problem 15 (Created page with "==Problem== If this path is to continue in the same pattern: <asy> unitsize(24); draw((0,0)--(1,0)--(1,1)--(2,1)--(2,0)--(3,0)--(3,1)--(4,1)--(4,0)--(5,0)--(5,1)--(6,1)); draw(...")
- 14:40, 15 August 2011 (diff | hist) . . (+356) . . N 1994 AJHSME Problems/Problem 14 (Created page with "==Problem== Two children at a time can play pairball. For <math>90</math> minutes, with only two children playing at time, five children take turns so that each one plays the s...")
- 14:40, 15 August 2011 (diff | hist) . . (+269) . . N 1994 AJHSME Problems/Problem 13 (Created page with "==Problem== The number halfway between <math>\dfrac{1}{6}</math> and <math>\dfrac{1}{4}</math> is <math>\text{(A)}\ \dfrac{1}{10} \qquad \text{(B)}\ \dfrac{1}{5} \qquad \text{(...")
- 14:40, 15 August 2011 (diff | hist) . . (+13) . . 1994 AJHSME Problems/Problem 12
- 14:39, 15 August 2011 (diff | hist) . . (+470) . . N 1994 AJHSME Problems/Problem 12 (Created page with "A lucky year is one in which at least one date, when written in the form month/day/year, has the following property: ''The product of the month times the day equals the last two ...")
- 14:39, 15 August 2011 (diff | hist) . . (+488) . . N 1994 AJHSME Problems/Problem 11 (Created page with "==Problem== Last summer <math>100</math> students attended basketball camp. Of those attending, <math>52</math> were boys and <math>48</math> were girls. Also, <math>40</math>...")
- 14:39, 15 August 2011 (diff | hist) . . (+240) . . N 1994 AJHSME Problems/Problem 10 (Created page with "==Problem== For how many positive integer values of <math>N</math> is the expression <math>\dfrac{36}{N+2}</math> an integer? <math>\text{(A)}\ 7 \qquad \text{(B)}\ 8 \qquad \t...")
- 14:38, 15 August 2011 (diff | hist) . . (+517) . . N 1994 AJHSME Problems/Problem 9 (Created page with "==Problem== A shopper buys a <math>100</math> dollar coat on sale for <math>20\% </math> off. An additional <math>5</math> dollars are taken off the sale price by using a disco...")
- 14:37, 15 August 2011 (diff | hist) . . (+214) . . N 1994 AJHSME Problems/Problem 8 (Created page with "==Problem== For how many three-digit whole numbers does the sum of the digits equal <math>25</math>? <math>\text{(A)}\ 2 \qquad \text{(B)}\ 4 \qquad \text{(C)}\ 6 \qquad \text{...")
- 14:35, 15 August 2011 (diff | hist) . . (+164) . . 1994 AJHSME Problems/Problem 7
- 14:34, 15 August 2011 (diff | hist) . . (+550) . . N 1994 AJHSME Problems/Problem 7 (Created page with "If <math>\angle A = 60^\circ </math>, <math>\angle E = 40^\circ </math> and <math>\angle C = 30^\circ </math>, then <math>\angle BDC = </math> <asy> pair A,B,C,D,EE; A = origin;...")
- 19:51, 14 August 2011 (diff | hist) . . (+519) . . 2006 AMC 8 (→Problem 5)
- 19:49, 14 August 2011 (diff | hist) . . (+774) . . 2006 AMC 8 (→Problem 4)
- 19:48, 14 August 2011 (diff | hist) . . (+323) . . 2006 AMC 8 (→Problem 3)
- 19:47, 14 August 2011 (diff | hist) . . (+262) . . 2006 AMC 8 (→Problem 2)
- 16:07, 14 August 2011 (diff | hist) . . (+1) . . 2006 AMC 8 (→Problem 1)
- 16:07, 14 August 2011 (diff | hist) . . (-31) . . 2006 AMC 8 (→Problem 1)
- 16:06, 14 August 2011 (diff | hist) . . (+19) . . 2006 AMC 8 (→Problem 1)
- 16:06, 14 August 2011 (diff | hist) . . (+292) . . 2006 AMC 8 (→Problem 1)
- 16:03, 14 August 2011 (diff | hist) . . (-7,236) . . 2006 AMC 8 (Replaced content with "==Problem 1== ==Problem 2== ==Problem 3== ==Problem 4== ==Problem 5== ==Problem 6== ==Problem 7== ==Problem 8== ==Problem 9== ==Problem 10== ==Problem 11== ==Problem 12== ==P...")
- 15:53, 14 August 2011 (diff | hist) . . (+257) . . N 2003 AMC 12B/Problem 1 (Created page with "==Problem== Which of the following is the same as <cmath> \frac{2-4+6-8+10-12+14}{3-6+9-12+15-18+21}? </cmath> <math> \textbf{(A)}\ -1\qquad\textbf{(B)}\ -\frac{2}3\qquad\text...")
- 15:52, 14 August 2011 (diff | hist) . . (+469) . . N 1970 AHSME (Created page with "==Problem 1== ==Problem 2== ==Problem 3== ==Problem 4== ==Problem 5== ==Problem 6== ==Problem 7== ==Problem 8== ==Problem 9== ==Problem 10== ==Problem 11== ==Problem 1...")
- 14:10, 14 August 2011 (diff | hist) . . (+73) . . N 1978 USAMO Problems (Created page with "==Problem 1== ==Problem 2== ==Problem 3== ==Problem 4== ==Problem 5==")
- 14:09, 14 August 2011 (diff | hist) . . (-95) . . 1984 USAMO Problems/Problem 2 (Blanked the page)
- 14:05, 14 August 2011 (diff | hist) . . (+73) . . N 1986 USAMO (Created page with "==Problem 1== ==Problem 2== ==Problem 3== ==Problem 4== ==Problem 5==")
- 13:29, 14 August 2011 (diff | hist) . . (-1) . . 2009 AMC 8 Problems/Problem 22
- 13:29, 14 August 2011 (diff | hist) . . (+222) . . N 2009 AMC 8 Problems/Problem 22 (Created page with "==Problem== How many whole numbers between 1 and 1000 do [b]not[/b] contain the digit 1? <math> \textbf{(A)}\ 512 \qquad \textbf{(B)}\ 648 \qquad \textbf{(C)}\ 720 \qquad \text...")
- 13:29, 14 August 2011 (diff | hist) . . (+561) . . N 2009 AMC 8 Problems/Problem 21 (Created page with "==Problem== Andy and Bethany have a rectangular array of numbers with <math> 40</math> rows and <math> 75</math> columns. Andy adds the numbers in each row. The average of his <...")
- 13:28, 14 August 2011 (diff | hist) . . (+13) . . 2009 AMC 8 Problems/Problem 20
- 13:28, 14 August 2011 (diff | hist) . . (+342) . . N 2009 AMC 8 Problems/Problem 20 (Created page with "How many non-congruent triangles have vertices at three of the eight points in the array shown below? <asy>dot((0,0)); dot((0,.5)); dot((.5,0)); dot((.5,.5)); dot((1,0)); dot((1...")
- 13:28, 14 August 2011 (diff | hist) . . (+327) . . N 2009 AMC 8 Problems/Problem 19 (Created page with "==Problems== Two angles of an isosceles triangle measure <math> 70^\circ</math> and <math> x^\circ</math>. What is the sum of the three possible values of <math> x</math>? <math...")
- 13:27, 14 August 2011 (diff | hist) . . (+1,040) . . N 2009 AMC 8 Problems/Problem 18 (Created page with "The diagram represents a <math> 7</math>-foot-by-<math> 7</math>-foot floor that is tiled with <math> 1</math>-square-foot black tiles and white tiles. Notice that the corners ha...")
- 13:27, 14 August 2011 (diff | hist) . . (+462) . . N 2009 AMC 8 Problems/Problem 17 (Created page with "==Problem== The positive integers <math> x</math> and <math> y</math> are the two smallest positive integers for which the product of <math> 360</math> and <math> x</math> is a ...")
- 13:26, 14 August 2011 (diff | hist) . . (+240) . . N 2009 AMC 8 Problems/Problem 16 (Created page with "==Problem== How many <math> 3</math>-digit positive integers have digits whose product equals <math> 24</math>? <math> \textbf{(A)}\ 12 \qquad \textbf{(B)}\ 15 \qquad \textbf{(...")
- 13:26, 14 August 2011 (diff | hist) . . (+636) . . N 2009 AMC 8 Problems/Problem 15 (Created page with "==Problem== A recipe that makes <math> 5</math> servings of hot chocolate requires <math> 2</math> squares of chocolate, <math> \frac{1}{4}</math> cup sugar, <math> 1</math> cup...")
- 13:25, 14 August 2011 (diff | hist) . . (+548) . . N 2009 AMC 8 Problems/Problem 14 (Created page with "==Problem== Austin and Temple are <math> 50</math> miles apart along Interstate 35. Bonnie drove from Austin to her daughter's house in Temple, averaging <math> 60</math> miles ...")
- 13:25, 14 August 2011 (diff | hist) . . (+385) . . N 2009 AMC 8 Problems/Problem 13 (Created page with "==Problem== A three-digit integer contains one of each of the digits <math> 1</math>, <math> 3</math>, and <math> 5</math>. What is the probability that the integer is divisible...")
- 13:25, 14 August 2011 (diff | hist) . . (-249) . . 2009 AMC 8 Problems/Problem 12
- 13:24, 14 August 2011 (diff | hist) . . (-2) . . 2009 AMC 8 Problems/Problem 12
- 13:24, 14 August 2011 (diff | hist) . . (+2) . . 2009 AMC 8 Problems/Problem 12
- 13:23, 14 August 2011 (diff | hist) . . (+854) . . N 2009 AMC 8 Problems/Problem 12 (Created page with "==Problem== The two spinners shown are spun once and each lands on one of the numbered sectors. What is the probability that the sum of the numbers in the two sectors is prime? <...")
- 13:23, 14 August 2011 (diff | hist) . . (+13) . . 2009 AMC 8 Problems/Problem 10
- 13:23, 14 August 2011 (diff | hist) . . (+2,164) . . N 2009 AMC 8 Problems/Problem 10 (Created page with "On a checkerboard composed of 64 unit squares, what is the probability that a randomly chosen unit square does '''not''' touch the outer edge of the board? <asy> unitsize(10); ...")
- 13:22, 14 August 2011 (diff | hist) . . (+15) . . 2009 AMC 8 Problems/Problem 11
- 13:21, 14 August 2011 (diff | hist) . . (+486) . . N 2009 AMC 8 Problems/Problem 11 (Created page with "The Amaco Middle School bookstore sells pencils costing a whole number of cents. Some seventh graders each bought a pencil, paying a total of <math> $1.43</math>. Some of th...")
- 13:21, 14 August 2011 (diff | hist) . . (+697) . . N 2009 AMC 8 Problems/Problem 9 (Created page with "==Problem== Construct a square on one side of an equilateral triangle. One on non-adjacent side of the square, construct a regular pentagon, as shown. One a non-adjacent side of...")
- 13:20, 14 August 2011 (diff | hist) . . (+26) . . 2009 AMC 8 Problems/Problem 23
- 13:20, 14 August 2011 (diff | hist) . . (+13) . . 2009 AMC 8 Problems/Problem 8
- 13:20, 14 August 2011 (diff | hist) . . (+13) . . 2009 AMC 8 Problems/Problem 7
- 13:19, 14 August 2011 (diff | hist) . . (+13) . . 2009 AMC 8 Problems/Problem 6
- 13:19, 14 August 2011 (diff | hist) . . (+13) . . 2009 AMC 8 Problems/Problem 5
- 13:19, 14 August 2011 (diff | hist) . . (+12) . . m 2009 AMC 8 Problems/Problem 4
- 13:18, 14 August 2011 (diff | hist) . . (+13) . . 2009 AMC 8 Problems/Problem 3
- 13:18, 14 August 2011 (diff | hist) . . (+13) . . 2009 AMC 8 Problems/Problem 2
- 13:18, 14 August 2011 (diff | hist) . . (-2) . . 2009 AMC 8 Problems/Problem 1
- 13:18, 14 August 2011 (diff | hist) . . (+15) . . 2009 AMC 8 Problems/Problem 1
- 13:18, 14 August 2011 (diff | hist) . . (+299) . . N 2009 AMC 8 Problems/Problem 8 (Created page with "The length of a rectangle is increased by <math> 10%</math> and the width is decreased by <math> 10%</math>. What percent of the old area is the new area? <math> \textbf{(A)}\ ...")
- 13:17, 14 August 2011 (diff | hist) . . (+1,103) . . N 2009 AMC 8 Problems/Problem 7 (Created page with "The triangular plot of ACD lies between Aspen Road, Brown Road and a railroad. Main Street runs east and west, and the railroad runs north and south. The numbers in the diagram ...")
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