User contributions
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- 11:57, 16 July 2009 (diff | hist) . . (+1) . . m User:Xpmath (→Goals for 9th grade)
- 11:55, 16 July 2009 (diff | hist) . . (+2,918) . . N 1967 IMO Problems (Created page with 'Problems of the 9th IMO 1967 in Yugoslavia. ==Problem 1== Let <math>ABCD</math> be a parallelogram with side lengths <math>AB = a</math>, <math>AD = 1</math>, and with <ma…')
- 19:08, 15 July 2009 (diff | hist) . . (+2,820) . . N 1965 IMO Problems (Created page with '==Problem 1== Determine all values <math>x</math> in the interval <math>0\leq x\leq 2\pi </math> which satisfy the inequality <cmath>2\cos x \leq \left| \sqrt{1+\sin 2x} - \sqrt…')
- 17:53, 15 July 2009 (diff | hist) . . (0) . . m 1985 AJHSME Problems/Problem 7 (→Problem)
- 17:18, 15 July 2009 (diff | hist) . . (+5,425) . . 1991 AJHSME Problems
- 16:06, 12 July 2009 (diff | hist) . . (+6) . . m 2004 AMC 12B Problems/Problem 3
- 13:05, 12 July 2009 (diff | hist) . . (+10) . . m Sign (current)
- 23:07, 11 July 2009 (diff | hist) . . (+166) . . m 2007 AMC 12B Problems/Problem 1
- 23:05, 11 July 2009 (diff | hist) . . (-432) . . 2007 AMC 10B Problems/Problem 1 (Redirected page to 2007 AMC 12B Problems/Problem 1) (current)
- 22:53, 11 July 2009 (diff | hist) . . (+12) . . m 2007 AMC 12B Problems/Problem 1
- 22:24, 11 July 2009 (diff | hist) . . (+1,929) . . N 1990 AJHSME Problems/Problem 24 (Created page with '==Problem== Three <math>\Delta</math>'s and a <math>\diamondsuit </math> will balance nine <math>\bullet</math>'s. One <math>\Delta </math> will balance a <math>\diamondsuit </…') (current)
- 22:17, 11 July 2009 (diff | hist) . . (+2,324) . . N 1990 AJHSME Problems/Problem 25 (Created page with '==Problem== How many different patterns can be made by shading exactly two of the nine squares? Patterns that can be matched by flips and/or turns are not considered different.…') (current)
- 22:03, 11 July 2009 (diff | hist) . . (+1,524) . . N 1990 AJHSME Problems/Problem 23 (Created page with '==Problem== The graph relates the distance traveled <nowiki>[in miles]</nowiki> to the time elapsed <nowiki>[in hours]</nowiki> on a trip taken by an experimental airplane. Dur…') (current)
- 21:54, 11 July 2009 (diff | hist) . . (+861) . . N 1990 AJHSME Problems/Problem 22 (Created page with '==Problem== Several students are seated at a large circular table. They pass around a bag containing <math>100</math> pieces of candy. Each person receives the bag, takes one …') (current)
- 21:49, 11 July 2009 (diff | hist) . . (+1,044) . . N 1990 AJHSME Problems/Problem 21 (Created page with '==Problem== A list of <math>8</math> numbers is formed by beginning with two given numbers. Each new number in the list is the product of the two previous numbers. Find the fi…')
- 21:45, 11 July 2009 (diff | hist) . . (+913) . . N 1990 AJHSME Problems/Problem 20 (Created page with '==Problem== The annual incomes of <math>1,000</math> families range from <math>8200</math> dollars to <math>98,000</math> dollars. In error, the largest income was entered on t…')
- 21:32, 11 July 2009 (diff | hist) . . (+718) . . N 1990 AJHSME Problems/Problem 19 (Created page with '==Problem== There are <math>120</math> seats in a row. What is the fewest number of seats that must be occupied so the next person to be seated must sit next to someone? <math…')
- 21:28, 11 July 2009 (diff | hist) . . (+939) . . N 1990 AJHSME Problems/Problem 18 (Created page with '==Problem== Each corner of a rectangular prism is cut off. Two (of the eight) cuts are shown. How many edges does the new figure have? <asy> draw((0,0)--(3,0)--(3,3)--(0,3)--…') (current)
- 21:22, 11 July 2009 (diff | hist) . . (+825) . . N 1990 AJHSME Problems/Problem 17 (Created page with '==Problem== A straight concrete sidewalk is to be <math>3</math> feet wide, <math>60</math> feet long, and <math>3</math> '''inches''' thick. How many cubic yards of concrete m…') (current)
- 21:13, 11 July 2009 (diff | hist) . . (+663) . . N 1990 AJHSME Problems/Problem 16 (Created page with '==Problem== <math>1990-1980+1970-1960+\cdots -20+10 =</math> <math>\text{(A)}\ -990 \qquad \text{(B)}\ -10 \qquad \text{(C)}\ 990 \qquad \text{(D)}\ 1000 \qquad \text{(E)}\ 199…')
- 17:26, 10 July 2009 (diff | hist) . . (+636) . . N 1990 AJHSME Problems/Problem 14 (Created page with '==Problem== A bag contains only blue balls and green balls. There are <math>6</math> blue balls. If the probability of drawing a blue ball at random from this bag is <math>\fr…')
- 17:22, 10 July 2009 (diff | hist) . . (+848) . . N 1990 AJHSME Problems/Problem 15 (Created page with '==Problem== The area of this figure is <math>100\text{ cm}^2</math>. Its perimeter is <asy> draw((0,2)--(2,2)--(2,1)--(3,1)--(3,0)--(1,0)--(1,1)--(0,1)--cycle,linewidth(1)); …')
- 17:20, 10 July 2009 (diff | hist) . . (+1) . . m 1990 AJHSME Problems (→Problem 15)
- 17:13, 10 July 2009 (diff | hist) . . (+810) . . N 1990 AJHSME Problems/Problem 13 (Created page with '==Problem== One proposal for new postage rates for a letter was <math>30</math> cents for the first ounce and <math>22</math> cents for each additional ounce (or fraction of an …')
- 16:55, 10 July 2009 (diff | hist) . . (+886) . . N 1990 AJHSME Problems/Problem 12 (Created page with '==Problem== There are twenty-four <math>4</math>-digit numbers that use each of the four digits <math>2</math>, <math>4</math>, <math>5</math>, and <math>7</math> exactly once. …')
- 17:39, 7 July 2009 (diff | hist) . . (+64) . . N 2005 AMC 12A Answer Key (Created page with '1) D 2) B 3) B 4) A 5) B 6) B 7) C 8) D 9) A 10) B 11)')
- 22:44, 5 July 2009 (diff | hist) . . (-345) . . m User:5849206328x
- 17:37, 5 July 2009 (diff | hist) . . (+302) . . m User:5849206328x
- 11:17, 5 July 2009 (diff | hist) . . (+104) . . m User talk:Algebra2000 (current)
- 09:54, 5 July 2009 (diff | hist) . . (+18) . . m User:5849206328x (Redirected page to User talk:5849206328x)
- 09:53, 5 July 2009 (diff | hist) . . (-59) . . User:5849206328x
- 09:52, 5 July 2009 (diff | hist) . . (-33) . . m User:5849206328x
- 09:50, 5 July 2009 (diff | hist) . . (-102) . . m User talk:5849206328x (Blanked the page)
- 21:05, 4 July 2009 (diff | hist) . . (+1,033) . . N 1990 AJHSME Problems/Problem 11 (Created page with '==Problem== The numbers on the faces of this cube are consecutive whole numbers. The sums of the two numbers on each of the three pairs of opposite faces are equal. The sum of…')
- 21:06, 3 July 2009 (diff | hist) . . (-18) . . m Parallelepiped
- 21:03, 3 July 2009 (diff | hist) . . (+13) . . m Dodecagon
- 13:38, 2 July 2009 (diff | hist) . . (-1,290) . . 2006 AIME A Problems/Problem 8 (Redirected page to 2006 AIME I Problems/Problem 8) (current)
- 13:37, 2 July 2009 (diff | hist) . . (-1,480) . . 2006 AIME A Problems/Problem 7 (Redirected page to 2006 AIME I Problems/Problem 7) (current)
- 10:50, 2 July 2009 (diff | hist) . . (+1,504) . . N 1990 AJHSME Problems/Problem 10 (Created page with '==Problem== On this monthly calendar, the date behind one of the letters is added to the date behind <math>\text{C}</math>. If this sum equals the sum of the dates behind <math…')
- 10:48, 2 July 2009 (diff | hist) . . (+979) . . N 1990 AJHSME Problems/Problem 9 (Created page with '==Problem== The grading scale shown is used at Jones Junior High. The fifteen scores in Mr. Freeman's class were: <cmath>\begin{tabular}[t]{lllllllll} 89, & 72, & 54, & 97, & 7…')
- 10:43, 2 July 2009 (diff | hist) . . (+733) . . N 1990 AJHSME Problems/Problem 8 (Created page with '==Problem== A dress originally priced at <math>80</math> dollars was put on sale for <math>25\% </math> off. If <math>10\% </math> tax was added to the sale price, then the tot…')
- 10:36, 2 July 2009 (diff | hist) . . (+780) . . N 1990 AJHSME Problems/Problem 7 (Created page with '==Problem== When three different numbers from the set <math>\{ -3, -2, -1, 4, 5 \} </math> are multiplied, the largest possible product is <math>\text{(A)}\ 10 \qquad \text{(B…')
- 18:51, 1 July 2009 (diff | hist) . . (+777) . . N 1990 AJHSME Problems/Problem 6 (Created page with '==Problem== Which of these five numbers is the largest? <math>\text{(A)}\ 13579+\frac{1}{2468} \qquad \text{(B)}\ 13579-\frac{1}{2468} \qquad \text{(C)}\ 13579\times \frac{1}{2…')
- 18:45, 1 July 2009 (diff | hist) . . (-7) . . m 2009 AIME I Problems/Problem 5
- 13:16, 1 July 2009 (diff | hist) . . (+40) . . Algorithm
- 16:24, 30 June 2009 (diff | hist) . . (+654) . . N 1990 AJHSME Problems/Problem 5 (Created page with '==Problem== Which of the following is closest to the product <math>(.48017)(.48017)(.48017)</math>? <math>\text{(A)}\ 0.011 \qquad \text{(B)}\ 0.110 \qquad \text{(C)}\ 1.10 \qq…')
- 16:21, 30 June 2009 (diff | hist) . . (+851) . . N 1990 AJHSME Problems/Problem 4 (Created page with '==Problem== Which of the following could '''not''' be the unit's digit <nowiki>[one's digit]</nowiki> of the square of a whole number? <math>\text{(A)}\ 1 \qquad \text{(B)}\ 4 …')
- 16:18, 30 June 2009 (diff | hist) . . (+17) . . m 1990 AJHSME Problems (→Problem 4)
- 16:04, 30 June 2009 (diff | hist) . . (+819) . . N 1990 AJHSME Problems/Problem 3 (Created page with '==Problem== What fraction of the square is shaded? <asy> draw((0,0)--(0,3)--(3,3)--(3,0)--cycle); draw((0,2)--(2,2)--(2,0)); draw((0,1)--(1,1)--(1,0)); draw((0,0)--(3,3)); fill…')
- 15:59, 30 June 2009 (diff | hist) . . (+535) . . N 1990 AJHSME Problems/Problem 2 (Created page with '==Problem== Which digit of <math>.12345</math>, when changed to <math>9</math>, gives the largest number? <math>\text{(A)}\ 1 \qquad \text{(B)}\ 2 \qquad \text{(C)}\ 3 \qquad \…')
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