User contributions
(newest | oldest) View (newer 250 | older 250) (20 | 50 | 100 | 250 | 500)
- 02:00, 5 February 2015 (diff | hist) . . (+1,117) . . N 2015 AMC 12A Problems/Problem 25 (Created page with "==Problem== A collection of circles in the upper half-plane, all tangent to the <math>x</math>-axis, is constructed in layers as follows. Layer <math>L_0</math> consists of two ...")
- 01:59, 5 February 2015 (diff | hist) . . (+394) . . 2015 AMC 12A Problems/Problem 24
- 01:58, 5 February 2015 (diff | hist) . . (+774) . . 2015 AMC 12A Problems/Problem 23
- 01:55, 5 February 2015 (diff | hist) . . (+63) . . 2015 AMC 12A Problems/Problem 22
- 01:54, 5 February 2015 (diff | hist) . . (+80) . . 2015 AMC 12A Problems/Problem 20
- 01:53, 5 February 2015 (diff | hist) . . (+354) . . 2015 AMC 12A Problems/Problem 18
- 01:51, 5 February 2015 (diff | hist) . . (+60) . . 2015 AMC 12A Problems/Problem 15
- 01:50, 5 February 2015 (diff | hist) . . (+60) . . 2015 AMC 12A Problems/Problem 14
- 01:50, 5 February 2015 (diff | hist) . . (+60) . . 2015 AMC 12A Problems/Problem 13
- 01:49, 5 February 2015 (diff | hist) . . (+60) . . 2015 AMC 12A Problems/Problem 12
- 01:48, 5 February 2015 (diff | hist) . . (+1) . . 2015 AMC 12A Problems (→Problem 11)
- 21:47, 4 February 2015 (diff | hist) . . (+822) . . N 2015 AMC 12A Problems/Problem 11 (Created page with "==Problem== On a sheet of paper, Isabella draws a circle of radius <math>2</math>, a circle of radius <math>3</math>, and all possible lines simultaneously tangent to both circl...")
- 21:44, 4 February 2015 (diff | hist) . . (+707) . . N 2015 AMC 12A Problems/Problem 10 (Created page with "==Problem== Integers <math>x</math> and <math>y</math> with <math>x>y>0</math> satisfy <math>x+y+xy=80</math>. What is <math>x</math>? <math> \textbf{(A)}\ 8 \qquad\textbf{(B)}...")
- 21:36, 4 February 2015 (diff | hist) . . (+528) . . N 2015 AMC 12A Problems/Problem 9 (Created page with "==Problem== A box contains 2 red marbles, 2 green marbles, and 2 yellow marbles. Carol takes 2 marbles from the box at random; then Claudia takes 2 of the remaining marbles at r...")
- 21:35, 4 February 2015 (diff | hist) . . (0) . . 2015 AMC 12A Problems/Problem 5 (→See Also)
- 21:35, 4 February 2015 (diff | hist) . . (+1,226) . . N 2015 AMC 12A Problems/Problem 5 (Created page with "==Problem== Amelia needs to estimate the quantity <math>\frac{a}{b} - c</math>, where <math>a, b,</math> and <math>c</math> are large positive integers. She rounds each of the i...")
- 21:31, 4 February 2015 (diff | hist) . . (+61) . . 2015 AMC 12A Problems/Problem 2
- 21:31, 4 February 2015 (diff | hist) . . (+6,178) . . 2015 AMC 12A Problems
- 21:10, 4 February 2015 (diff | hist) . . (+5,600) . . 2015 AMC 12A Problems
- 20:54, 4 February 2015 (diff | hist) . . (+208) . . 2015 AMC 10A Problems/Problem 24
- 20:53, 4 February 2015 (diff | hist) . . (+45) . . N 2015 AMC 12A Problems/Problem 19 (Redirected page to 2015 AMC 10A Problems/Problem 24) (current)
- 20:52, 4 February 2015 (diff | hist) . . (+211) . . 2015 AMC 10A Problems/Problem 22
- 20:52, 4 February 2015 (diff | hist) . . (+211) . . 2015 AMC 10A Problems/Problem 21
- 20:51, 4 February 2015 (diff | hist) . . (+45) . . N 2015 AMC 12A Problems/Problem 17 (Redirected page to 2015 AMC 10A Problems/Problem 22) (current)
- 20:49, 4 February 2015 (diff | hist) . . (+45) . . N 2015 AMC 12A Problems/Problem 16 (Redirected page to 2015 AMC 10A Problems/Problem 21) (current)
- 20:47, 4 February 2015 (diff | hist) . . (+211) . . 2015 AMC 10A Problems/Problem 11
- 20:47, 4 February 2015 (diff | hist) . . (+45) . . N 2015 AMC 12A Problems/Problem 8 (Redirected page to 2015 AMC 10A Problems/Problem 11) (current)
- 20:46, 4 February 2015 (diff | hist) . . (+44) . . N 2015 AMC 12A Problems/Problem 7 (Redirected page to 2015 AMC 10A Problems/Problem 9) (current)
- 20:46, 4 February 2015 (diff | hist) . . (+147) . . 2015 AMC 10A Problems/Problem 9
- 20:45, 4 February 2015 (diff | hist) . . (+147) . . 2015 AMC 10A Problems/Problem 8
- 20:44, 4 February 2015 (diff | hist) . . (+44) . . N 2015 AMC 12A Problems/Problem 6 (Redirected page to 2015 AMC 10A Problems/Problem 8) (current)
- 20:43, 4 February 2015 (diff | hist) . . (+147) . . 2015 AMC 10A Problems/Problem 6
- 20:43, 4 February 2015 (diff | hist) . . (+44) . . N 2015 AMC 12A Problems/Problem 4 (Redirected page to 2015 AMC 10A Problems/Problem 6) (current)
- 20:42, 4 February 2015 (diff | hist) . . (-620) . . 2015 AMC 12A Problems/Problem 3 (Redirected page to 2015 AMC 10A Problems/Problem 5) (current)
- 20:41, 4 February 2015 (diff | hist) . . (+147) . . 2015 AMC 10A Problems/Problem 5
- 20:41, 4 February 2015 (diff | hist) . . (0) . . m 2015 AMC 10A Problems/Problem 1 (B to A)
- 20:40, 4 February 2015 (diff | hist) . . (+102) . . 2015 AMC 10A Problems/Problem 1
- 20:39, 4 February 2015 (diff | hist) . . (+58) . . 2015 AMC 10A Problems/Problem 1
- 20:38, 4 February 2015 (diff | hist) . . (-466) . . 2015 AMC 12A Problems/Problem 1 (redirect) (current)
- 01:09, 5 January 2014 (diff | hist) . . (+62) . . 2003 AMC 12B Problems/Problem 18
- 01:06, 5 January 2014 (diff | hist) . . (+137) . . 2003 AMC 10B Problems/Problem 19
- 01:05, 5 January 2014 (diff | hist) . . (-1,732) . . 2003 AMC 12B Problems/Problem 16 (Redirected page to 2003 AMC 10B Problems/Problem 19) (current)
- 01:03, 5 January 2014 (diff | hist) . . (+765) . . 2003 AMC 12B Problems (→Problem 16)
- 01:01, 5 January 2014 (diff | hist) . . (+169) . . 2003 AMC 10B Problems/Problem 23
- 01:01, 5 January 2014 (diff | hist) . . (-311) . . 2003 AMC 12B Problems/Problem 15 (Redirected page to 2003 AMC 10B Problems/Problem 23) (current)
- 01:00, 5 January 2014 (diff | hist) . . (+153) . . 2003 AMC 10B Problems/Problem 20
- 01:00, 5 January 2014 (diff | hist) . . (-299) . . 2003 AMC 12B Problems/Problem 14 (Redirected page to 2003 AMC 10B Problems/Problem 20) (current)
- 00:57, 5 January 2014 (diff | hist) . . (+230) . . 2003 AMC 12B Problems/Problem 12
- 00:56, 5 January 2014 (diff | hist) . . (-564) . . 2003 AMC 10B Problems/Problem 18 (Redirected page to 2003 AMC 12B Problems/Problem 12) (current)
- 00:54, 5 January 2014 (diff | hist) . . (+651) . . 2003 AMC 12B Problems/Problem 11 (current)
- 00:38, 5 January 2014 (diff | hist) . . (+72) . . 2003 AMC 12B Problems/Problem 10
- 00:37, 5 January 2014 (diff | hist) . . (+24) . . 2003 AMC 12B Problems/Problem 9
- 00:34, 5 January 2014 (diff | hist) . . (+643) . . 2003 AMC 12B Problems/Problem 8
- 00:32, 5 January 2014 (diff | hist) . . (-1,225) . . 2003 AMC 10B Problems/Problem 13 (Redirected page to 2003 AMC 12B Problems/Problem 8) (current)
- 00:30, 5 January 2014 (diff | hist) . . (+605) . . 2003 AMC 12B Problems/Problem 7 (current)
- 00:17, 5 January 2014 (diff | hist) . . (+149) . . 2003 AMC 10B Problems/Problem 8
- 00:17, 5 January 2014 (diff | hist) . . (-988) . . 2003 AMC 12B Problems/Problem 6 (Redirected page to 2003 AMC 10B Problems/Problem 8) (current)
- 00:15, 5 January 2014 (diff | hist) . . (+148) . . 2003 AMC 10B Problems/Problem 6
- 00:14, 5 January 2014 (diff | hist) . . (-408) . . 2003 AMC 12B Problems/Problem 5 (Redirected page to 2003 AMC 10B Problems/Problem 6) (current)
- 00:13, 5 January 2014 (diff | hist) . . (+148) . . 2003 AMC 10B Problems/Problem 5
- 00:12, 5 January 2014 (diff | hist) . . (-449) . . 2003 AMC 12B Problems/Problem 4 (Redirected page to 2003 AMC 10B Problems/Problem 5) (current)
- 00:11, 5 January 2014 (diff | hist) . . (+147) . . 2003 AMC 10B Problems/Problem 4 (current)
- 00:11, 5 January 2014 (diff | hist) . . (-582) . . 2003 AMC 12B Problems/Problem 3 (Redirected page to 2003 AMC 10B Problems/Problem 4) (current)
- 00:08, 5 January 2014 (diff | hist) . . (+860) . . 2003 AMC 12B Problems/Problem 2
- 00:04, 5 January 2014 (diff | hist) . . (-1,231) . . 2003 AMC 10B Problems/Problem 2 (Redirected page to 2003 AMC 12B Problems/Problem 2) (current)
- 00:02, 5 January 2014 (diff | hist) . . (+161) . . 2003 AMC 12B Problems/Problem 1
- 00:02, 5 January 2014 (diff | hist) . . (-509) . . 2003 AMC 10B Problems/Problem 1 (Redirected page to 2003 AMC 12B Problems/Problem 1) (current)
- 16:50, 29 December 2012 (diff | hist) . . (+447) . . 2005 AMC 10B Problems/Problem 14
- 15:53, 28 December 2012 (diff | hist) . . (+575) . . 2004 AMC 10B Problems/Problem 21
- 15:09, 28 December 2012 (diff | hist) . . (-2) . . 2004 AMC 12B Problems/Problem 7
- 23:59, 26 December 2012 (diff | hist) . . (+448) . . 2003 AMC 10B Problems/Problem 15 (→Solution: the original one on this page)
- 19:08, 25 December 2012 (diff | hist) . . (+207) . . 2011 AMC 8 Problems (→See Also)
- 18:23, 25 December 2012 (diff | hist) . . (+1,289) . . 2010 AMC 8 Problems (→Problem 23)
- 18:09, 25 December 2012 (diff | hist) . . (+538) . . 2010 AMC 8 Problems/Problem 8
- 18:01, 25 December 2012 (diff | hist) . . (+433) . . 2010 AMC 8 Problems/Problem 7
- 17:54, 25 December 2012 (diff | hist) . . (+207) . . 2010 AMC 8 Problems (see also)
- 17:42, 25 December 2012 (diff | hist) . . (+571) . . 2009 AMC 8 Problems/Problem 23
- 17:33, 25 December 2012 (diff | hist) . . (+490) . . 2009 AMC 8 Problems/Problem 20
- 17:27, 25 December 2012 (diff | hist) . . (+405) . . 2009 AMC 8 Problems/Problem 18
- 17:20, 25 December 2012 (diff | hist) . . (+33) . . 2009 AMC 8 Problems/Problem 17 (→Solution)
- 17:19, 25 December 2012 (diff | hist) . . (+362) . . 2009 AMC 8 Problems/Problem 16
- 17:15, 25 December 2012 (diff | hist) . . (+415) . . 2009 AMC 8 Problems/Problem 15
- 17:01, 25 December 2012 (diff | hist) . . (+344) . . 2009 AMC 8 Problems/Problem 14
- 16:58, 25 December 2012 (diff | hist) . . (+245) . . 2009 AMC 8 Problems/Problem 13
- 16:57, 25 December 2012 (diff | hist) . . (+575) . . 2009 AMC 8 Problems/Problem 12
- 16:45, 25 December 2012 (diff | hist) . . (+541) . . 2009 AMC 8 Problems/Problem 11
- 16:39, 25 December 2012 (diff | hist) . . (+312) . . 2009 AMC 8 Problems/Problem 10
- 16:36, 25 December 2012 (diff | hist) . . (+10) . . m 2009 AMC 8 Problems (→Problem 10)
- 16:35, 25 December 2012 (diff | hist) . . (+426) . . 2009 AMC 8 Problems/Problem 9
- 16:31, 25 December 2012 (diff | hist) . . (+11) . . m 2009 AMC 8 Problems (→Problem 9)
- 16:30, 25 December 2012 (diff | hist) . . (+231) . . 2009 AMC 8 Problems/Problem 8
- 16:29, 25 December 2012 (diff | hist) . . (+238) . . 2009 AMC 8 Problems/Problem 7
- 16:29, 25 December 2012 (diff | hist) . . (+1) . . m 2009 AMC 8 Problems (→Problem 8)
- 16:24, 25 December 2012 (diff | hist) . . (+218) . . 2009 AMC 8 Problems/Problem 6
- 16:17, 25 December 2012 (diff | hist) . . (+145) . . 2009 AMC 8 Problems/Problem 5
- 16:13, 25 December 2012 (diff | hist) . . (+151) . . m 2009 AMC 8 Problems (→Problem 4)
- 16:12, 25 December 2012 (diff | hist) . . (+2) . . m 2009 AMC 8 Problems (→Problem 4)
- 16:11, 25 December 2012 (diff | hist) . . (+10) . . m 2009 AMC 8 Problems/Problem 3 (→Problem)
- 16:11, 25 December 2012 (diff | hist) . . (-7) . . m 2009 AMC 8 Problems/Problem 1 (→Solution)
- 16:10, 25 December 2012 (diff | hist) . . (+10) . . m 2009 AMC 8 Problems (→Problem 3)
- 16:09, 25 December 2012 (diff | hist) . . (+207) . . 2009 AMC 8 Problems
- 16:08, 25 December 2012 (diff | hist) . . (+207) . . 2008 AMC 8 Problems
- 16:08, 25 December 2012 (diff | hist) . . (+146) . . 2007 AMC 8 Problems (→See also)
- 16:07, 25 December 2012 (diff | hist) . . (+206) . . 2006 AMC 8 Problems
- 04:20, 25 December 2012 (diff | hist) . . (+475) . . 2008 AMC 8 Problems/Problem 25
- 04:14, 25 December 2012 (diff | hist) . . (+425) . . 2008 AMC 8 Problems/Problem 24
- 04:07, 25 December 2012 (diff | hist) . . (+820) . . 2008 AMC 8 Problems/Problem 23
- 03:59, 25 December 2012 (diff | hist) . . (+20) . . 2008 AMC 8 Problems/Problem 22 (→Solution)
- 03:56, 25 December 2012 (diff | hist) . . (+363) . . 2008 AMC 8 Problems/Problem 21
- 03:53, 25 December 2012 (diff | hist) . . (+429) . . 2008 AMC 8 Problems/Problem 20
- 03:49, 25 December 2012 (diff | hist) . . (+247) . . 2008 AMC 8 Problems/Problem 19
- 03:45, 25 December 2012 (diff | hist) . . (+413) . . 2008 AMC 8 Problems/Problem 17
- 03:42, 25 December 2012 (diff | hist) . . (+256) . . 2008 AMC 8 Problems/Problem 16
- 03:40, 25 December 2012 (diff | hist) . . (+458) . . 2008 AMC 8 Problems/Problem 15
- 03:38, 25 December 2012 (diff | hist) . . (+295) . . 2008 AMC 8 Problems/Problem 14
- 23:20, 24 December 2012 (diff | hist) . . (+1) . . m 2008 AMC 8 Problems/Problem 13 (→Solution)
- 23:20, 24 December 2012 (diff | hist) . . (+222) . . 2008 AMC 8 Problems/Problem 13
- 23:17, 24 December 2012 (diff | hist) . . (+398) . . 2008 AMC 8 Problems/Problem 12
- 23:13, 24 December 2012 (diff | hist) . . (+200) . . 2008 AMC 8 Problems/Problem 11
- 23:10, 24 December 2012 (diff | hist) . . (+166) . . 2008 AMC 8 Problems/Problem 10
- 23:08, 24 December 2012 (diff | hist) . . (+330) . . 2008 AMC 8 Problems/Problem 9
- 23:05, 24 December 2012 (diff | hist) . . (+186) . . 2008 AMC 8 Problems/Problem 8
- 23:03, 24 December 2012 (diff | hist) . . (+242) . . 2008 AMC 8 Problems/Problem 7
- 23:02, 24 December 2012 (diff | hist) . . (+192) . . 2008 AMC 8 Problems/Problem 6
- 22:59, 24 December 2012 (diff | hist) . . (+170) . . 2008 AMC 8 Problems/Problem 5
- 22:58, 24 December 2012 (diff | hist) . . (+238) . . 2008 AMC 8 Problems/Problem 4
- 22:54, 24 December 2012 (diff | hist) . . (+1,133) . . 2008 AMC 8 Problems (solution links)
- 22:51, 24 December 2012 (diff | hist) . . (+17) . . 2008 AMC 8 Problems/Problem 1 (→Problem)
- 21:02, 24 December 2012 (diff | hist) . . (+1) . . m 2007 AMC 8 Problems/Problem 8 (→Solution)
- 20:59, 24 December 2012 (diff | hist) . . (+3) . . 2007 AMC 8 Problems
- 20:55, 24 December 2012 (diff | hist) . . (+1,331) . . 2007 AMC 8
- 20:29, 24 December 2012 (diff | hist) . . (-4) . . m 2006 AMC 8 Problems/Problem 25 (→Problem 25)
- 20:27, 24 December 2012 (diff | hist) . . (+287) . . 2006 AMC 8 Problems/Problem 23
- 20:27, 24 December 2012 (diff | hist) . . (+13) . . m 2006 AMC 8 Problems/Problem 24
- 20:18, 24 December 2012 (diff | hist) . . (+961) . . 2006 AMC 8 Problems/Problem 22
- 20:15, 24 December 2012 (diff | hist) . . (+21) . . 2006 AMC 8 Problems/Problem 21
- 20:14, 24 December 2012 (diff | hist) . . (+23) . . 2006 AMC 8 Problems/Problem 20
- 20:14, 24 December 2012 (diff | hist) . . (+13) . . m 2006 AMC 8 Problems/Problem 19
- 20:13, 24 December 2012 (diff | hist) . . (+38) . . 2006 AMC 8 Problems/Problem 18
- 20:09, 24 December 2012 (diff | hist) . . (+23) . . 2006 AMC 8 Problems/Problem 17
- 20:08, 24 December 2012 (diff | hist) . . (+17) . . 2006 AMC 8 Problems/Problem 16
- 20:05, 24 December 2012 (diff | hist) . . (+30) . . 2006 AMC 8 Problems/Problem 15
- 20:04, 24 December 2012 (diff | hist) . . (+13) . . m 2006 AMC 8 Problems/Problem 14
- 20:03, 24 December 2012 (diff | hist) . . (+13) . . m 2006 AMC 8 Problems/Problem 13
- 20:02, 24 December 2012 (diff | hist) . . (+13) . . m 2006 AMC 8 Problems/Problem 12
- 20:01, 24 December 2012 (diff | hist) . . (+13) . . m 2006 AMC 8 Problems/Problem 11
- 20:00, 24 December 2012 (diff | hist) . . (+13) . . m 2006 AMC 8 Problems/Problem 10
- 20:00, 24 December 2012 (diff | hist) . . (+13) . . 2006 AMC 8 Problems/Problem 9
- 19:59, 24 December 2012 (diff | hist) . . (+13) . . m 2006 AMC 8 Problems/Problem 8
- 19:55, 24 December 2012 (diff | hist) . . (+13) . . m 2006 AMC 8 Problems/Problem 7
- 19:53, 24 December 2012 (diff | hist) . . (+13) . . m 2006 AMC 8 Problems/Problem 6
- 19:53, 24 December 2012 (diff | hist) . . (+365) . . 2006 AMC 8 Problems/Problem 5 (→Solution)
- 19:46, 24 December 2012 (diff | hist) . . (+911) . . N 2005 AMC 8 Problems/Problem 24 (Created page with "==Problem== A certain calculator has only two keys [+1] and [x2]. When you press one of the keys, the calculator automatically displays the result. For instance, if the calculat...")
- 19:43, 24 December 2012 (diff | hist) . . (+1,238) . . N 2005 AMC 8 Problems/Problem 23 (Created page with "==Problem== Isosceles right triangle <math> ABC</math> encloses a semicircle of area <math> 2\pi</math>. The circle has its center <math> O</math> on hypotenuse <math> \overline{...")
- 19:40, 24 December 2012 (diff | hist) . . (+1,054) . . N 2005 AMC 8 Problems/Problem 22 (Created page with "==Problem== A company sells detergent in three different sized boxes: small (S), medium (M) and large (L). The medium size costs 50% more than the small size and contains 20% les...")
- 19:13, 24 December 2012 (diff | hist) . . (+551) . . N 2005 AMC 8 Problems/Problem 21 (Created page with "==Problem== How many distinct triangles can be drawn using three of the dots below as vertices? <asy>dot(origin^^(1,0)^^(2,0)^^(0,1)^^(1,1)^^(2,1));</asy> <math> \textbf{(A)}\ ...")
- 19:09, 24 December 2012 (diff | hist) . . (+1,052) . . N 2005 AMC 8 Problems/Problem 20 (Created page with "==Problem== Alice and Bob play a game involving a circle whose circumference is divided by 12 equally-spaced points. The points are numbered clockwise, from 1 to 12. Both start o...")
- 19:00, 24 December 2012 (diff | hist) . . (+1,086) . . N 2005 AMC 8 Problems/Problem 19 (Created page with "==Problem== What is the perimeter of trapezoid <math> ABCD</math>? <asy>size(3inch, 1.5inch); pair a=(0,0), b=(18,24), c=(68,24), d=(75,0), f=(68,0), e=(18,0); draw(a--b--c--d--...")
- 18:45, 24 December 2012 (diff | hist) . . (+709) . . N 2005 AMC 8 Problems/Problem 18 (Created page with "==Problem== How many three-digit numbers are divisible by 13? <math> \textbf{(A)}\ 7\qquad\textbf{(B)}\ 67\qquad\textbf{(C)}\ 69\qquad\textbf{(D)}\ 76\qquad\textbf{(E)}\ 77</mat...")
- 18:41, 24 December 2012 (diff | hist) . . (+1,224) . . N 2005 AMC 8 Problems/Problem 17 (Created page with "==Problem== The results of a cross-country team's training run are graphed below. Which student has the greatest average speed? <asy> for ( int i = 1; i <= 7; ++i ) { draw((i...")
- 18:39, 24 December 2012 (diff | hist) . . (+770) . . N 2005 AMC 8 Problems/Problem 16 (Created page with "==Problem== A five-legged Martian has a drawer full of socks, each of which is red, white or blue, and there are at least five socks of each color. The Martian pulls out one sock...")
- 18:37, 24 December 2012 (diff | hist) . . (+872) . . N 2005 AMC 8 Problems/Problem 15 (Created page with "==Problem== How many different isosceles triangles have integer side lengths and perimeter 23? <math> \textbf{(A)}\ 2\qquad\textbf{(B)}\ 4\qquad\textbf{(C)}\ 6\qquad\textbf{(D)}...")
- 18:25, 24 December 2012 (diff | hist) . . (+815) . . N 2005 AMC 8 Problems/Problem 14 (Created page with "==Problem== The Little Twelve Basketball Conference has two divisions, with six teams in each division. Each team plays each of the other teams in its own division twice and ever...")
- 18:21, 24 December 2012 (diff | hist) . . (+1,418) . . N 2005 AMC 8 Problems/Problem 13 (Created page with "==Problem== The area of polygon <math> ABCDEF</math> is 52 with <math> AB\equal{}8</math>, <math> BC\equal{}9</math> and <math> FA\equal{}5</math>. What is <math> DE\plus{}EF</ma...")
- 18:14, 24 December 2012 (diff | hist) . . (+749) . . N 2005 AMC 8 Problems/Problem 12 (Created page with "==Problem== Big Al, the ape, ate 100 bananas from May 1 through May 5. Each day he ate six more bananas than on the previous day. How many bananas did Big Al eat on May 5? <math...")
- 18:09, 24 December 2012 (diff | hist) . . (+982) . . N 2005 AMC 8 Problems/Problem 11 (Created page with "==Problem== The sales tax rate in Bergville is 6%. During a sale at the Bergville Coat Closet, the price of a coat is discounted 20% from its $90.00 price. Two clerks, Jack a...")
- 17:44, 24 December 2012 (diff | hist) . . (+922) . . N 2005 AMC 8 Problems/Problem 10 (Created page with "==Problem== Joe had walked half way from home to school when he realized he was late. He ran the rest of the way to school. He ran 3 times as fast as he walked. Joe took 6 minute...")
- 17:38, 24 December 2012 (diff | hist) . . (+1,311) . . N 2005 AMC 8 Problems/Problem 9 (Created page with "==Problem== In quadrilateral <math> ABCD</math>, sides <math> \overline{AB}</math> and <math> \overline{BC}</math> both have length 10, sides <math> \overline{CD}</math> and <mat...")
- 17:29, 24 December 2012 (diff | hist) . . (+548) . . N 2005 AMC 8 Problems/Problem 8 (Created page with "==Problem== Suppose m and n are positive odd integers. Which of the following must also be an odd integer? <math> \textbf{(A)}\ m+3n\qquad\textbf{(B)}\ 3m-n\qquad\textbf{(C)}\ 3...")
- 17:27, 24 December 2012 (diff | hist) . . (+970) . . N 2005 AMC 8 Problems/Problem 7 (Created page with "==Problem== Bill walks <math>\tfrac12</math> mile south, then <math>\tfrac34</math> mile east, and finally <math>\tfrac12</math> mile south. How many miles is he, in a direct lin...")
- 17:16, 24 December 2012 (diff | hist) . . (+503) . . N 2005 AMC 8 Problems/Problem 6 (Created page with "==Problem == Suppose <math>d</math> is a digit. For how many values of <math>d</math> is <math>2.00d5 > 2.005</math>? <math> \textbf{(A)}\ 0\qquad\textbf{(B)}\ 4\qquad\textbf{(C...")
- 17:14, 24 December 2012 (diff | hist) . . (+157) . . 2005 AMC 8 Problems/Problem 5
- 17:12, 24 December 2012 (diff | hist) . . (+674) . . N 2005 AMC 8 Problems/Problem 4 (Created page with "==Problem== A square and a triangle have equal perimeters. The lengths of the three sides of the triangle are 6.1 cm, 8.2 cm and 9.7 cm. What is the area of the square in square ...")
- 17:09, 24 December 2012 (diff | hist) . . (+1,026) . . N 2005 AMC 8 Problems/Problem 3 (Created page with "==Problem== What is the minimum number of small squares that must be colored black so that a line of symmetry lies on the diagonal <math> \overline{BD}</math> of square <math> AB...")
- 17:07, 24 December 2012 (diff | hist) . . (+654) . . N 2005 AMC 8 Problems/Problem 2 (Created page with "==Problem== Karl bought five folders from Pay-A-Lot at a cost of <math> \textdollar 2.50 </math> each. Pay-A-Lot had a 20%-off sale the following day. How much could Karl have s...")
- 17:04, 24 December 2012 (diff | hist) . . (+50) . . 2005 AMC 8 Problems/Problem 1
- 17:00, 24 December 2012 (diff | hist) . . (+844) . . 2005 AMC 8 Problems (added solution links)
- 17:00, 24 December 2012 (diff | hist) . . (+1,167) . . N 2005 AMC 8 Problems/Problem 25 (Created page with "==Problem== A square with side length 2 and a circle share the same center. The total area of the regions that are inside the circle and outside the square is equal to the total ...")
- 16:53, 24 December 2012 (diff | hist) . . (+1,331) . . 2005 AMC 8
- 16:49, 24 December 2012 (diff | hist) . . (+207) . . 2004 AMC 8 Problems
- 16:48, 24 December 2012 (diff | hist) . . (+390) . . 2004 AMC 8 Problems (→Problem 23)
- 16:48, 24 December 2012 (diff | hist) . . (+191) . . 2004 AMC 8 Problems/Problem 23 (→Problem)
- 16:45, 24 December 2012 (diff | hist) . . (+893) . . N 2004 AMC 8 Problems/Problem 23 (Created page with "==Problem== Tess runs counterclockwise around rectangular block <math>JKLM</math>. She lives at corner <math>J</math>. Which graph could represent her straight-line distance from...")
- 16:45, 24 December 2012 (diff | hist) . . (+28) . . N File:AMC8200423.gif (AMC8 2004 #23 answer choices) (current)
- 16:43, 24 December 2012 (diff | hist) . . (+482) . . 2004 AMC 8 Problems (→Problem 15)
- 16:43, 24 December 2012 (diff | hist) . . (+868) . . N 2004 AMC 8 Problems/Problem 15 (Created page with "==Problem== Thirteen black and six white hexagonal tiles were used to create the figure below. If a new figures is created by attaching a border of white tiles with the same size...")
- 16:42, 24 December 2012 (diff | hist) . . (+21) . . N File:AMC8200415.gif (AMC8 2004 #15 Diagram) (current)
- 16:19, 24 December 2012 (diff | hist) . . (+426) . . 2004 AMC 8 Problems (→Problem 19)
- 16:19, 24 December 2012 (diff | hist) . . (+889) . . N 2004 AMC 8 Problems/Problem 19 (Created page with "==Problem== A whole number larger than <math>2</math> leaves a remainder of <math>2</math> when divided by each of the numbers <math>3, 4, 5,</math> and <math>6</math>. The small...")
- 16:11, 24 December 2012 (diff | hist) . . (+761) . . 2004 AMC 8 Problems (→Problem 21)
- 16:11, 24 December 2012 (diff | hist) . . (+1,316) . . N 2004 AMC 8 Problems/Problem 21 (Created page with "==Problem== Spinners <math>A</math> and <math>B</math> are spun. On each spinner, the arrow is equally likely to land on each number. What is the probability that the product of ...")
- 16:02, 24 December 2012 (diff | hist) . . (+600) . . 2004 AMC 8 Problems (→Problem 25)
- 16:02, 24 December 2012 (diff | hist) . . (+1,524) . . N 2004 AMC 8 Problems/Problem 25 (Created page with "==Problem== Two <math>4 \times 4</math> squares intersect at right angles, bisecting their intersecting sides, as shown. The circle's diameter is the segment between the two poin...")
- 15:49, 24 December 2012 (diff | hist) . . (+1,009) . . 2004 AMC 8 Problems (→Problem 24)
- 15:49, 24 December 2012 (diff | hist) . . (+1,786) . . 2004 AMC 8 Problems/Problem 24
- 15:15, 24 December 2012 (diff | hist) . . (+696) . . N 2004 AMC 8 Problems/Problem 17 (Created page with "==Problem== Three friends have a total of <math>6</math> identical pencils, and each one has at least one pencil. In how many ways can this happen? <math>\textbf{(A)}\ 1\qquad \...")
- 15:04, 24 December 2012 (diff | hist) . . (+257) . . 2004 AMC 8 Problems (→Problem 17)
- 15:03, 24 December 2012 (diff | hist) . . (+932) . . N 2004 AMC 8 Problems/Problem 14 (Created page with "==Problem== What is the area enclosed by the geoboard quadrilateral below? <asy> unitsize(3mm); defaultpen(linewidth(.8pt)); dotfactor=2; for(int a=0; a<=10; ++a) for(int b=0; ...")
- 14:56, 24 December 2012 (diff | hist) . . (+389) . . 2004 AMC 8 Problems (→Problem 14)
- 14:44, 24 December 2012 (diff | hist) . . (+2,071) . . 2004 AMC 8 Problems (added problems without diagrams)
- 14:43, 24 December 2012 (diff | hist) . . (+837) . . N 2004 AMC 8 Problems/Problem 22 (Created page with "==Problem== At a party there are only single women and married men with their wives. The probability that a randomly selected woman is single is <math>\frac25</math>. What fracti...")
- 14:43, 24 December 2012 (diff | hist) . . (+750) . . N 2004 AMC 8 Problems/Problem 20 (Created page with "==Problem== Two-thirds of the people in a room are seated in three-fourths of the chairs. The rest of the people are standing. If there are <math>6</math> empty chairs, how many ...")
- 14:41, 24 December 2012 (diff | hist) . . (+1,263) . . N 2004 AMC 8 Problems/Problem 18 (Created page with "==Problem== Five friends compete in a dart-throwing contest. Each one has two darts to throw at the same circular target, and each individual's score is the sum of the scores in ...")
- 14:41, 24 December 2012 (diff | hist) . . (+956) . . N 2004 AMC 8 Problems/Problem 16 (Created page with "==Problem== Two <math>600</math> mL pitchers contain orange juice. One pitcher is <math>1/3</math> full and the other pitcher is <math>2/5</math> full. Water is added to fill eac...")
- 14:38, 24 December 2012 (diff | hist) . . (+1,128) . . N 2004 AMC 8 Problems/Problem 13 (Created page with "==Problem== Amy, Bill and Celine are friends with different ages. Exactly one of the following statements is true. I. Bill is the oldest. II. Amy is not the oldest. III. Celin...")
- 04:56, 24 December 2012 (diff | hist) . . (+1,150) . . 2004 AMC 8 Problems
- 04:56, 24 December 2012 (diff | hist) . . (+1,186) . . N 2004 AMC 8 Problems/Problem 12 (Created page with "==Problem== Niki usually leaves her cell phone on. If her cell phone is on but she is not actually using it, the battery will last for <math>24</math> hours. If she is using it ...")
- 04:50, 24 December 2012 (diff | hist) . . (+1,027) . . N 2004 AMC 8 Problems/Problem 11 (Created page with "==Problem== The numbers <math>-2, 4, 6, 9</math> and <math>12</math> are rearranged according to these rules: 1. The largest isn’t first, but it is in one of...")
- 04:46, 24 December 2012 (diff | hist) . . (+1,003) . . N 2004 AMC 8 Problems/Problem 10 (Created page with "==Problem== Handy Aaron helped a neighbor <math>1 \frac14</math> hours on Monday, <math>50</math> minutes on Tuesday, from 8:20 to 10:45 on Wednesday morning, and a half-hour on ...")
- 04:38, 24 December 2012 (diff | hist) . . (+40) . . 2004 AMC 8 Problems/Problem 9
- 04:36, 24 December 2012 (diff | hist) . . (+32) . . 2004 AMC 8 Problems/Problem 8
- 04:34, 24 December 2012 (diff | hist) . . (+36) . . 2004 AMC 8 Problems/Problem 7
- 04:33, 24 December 2012 (diff | hist) . . (+48) . . 2004 AMC 8 Problems/Problem 6
- 04:32, 24 December 2012 (diff | hist) . . (+291) . . 2004 AMC 8 Problems/Problem 5
- 04:29, 24 December 2012 (diff | hist) . . (+64) . . 2004 AMC 8 Problems/Problem 4
- 04:27, 24 December 2012 (diff | hist) . . (+49) . . 2004 AMC 8 Problems/Problem 3
- 04:25, 24 December 2012 (diff | hist) . . (+27) . . 2004 AMC 8 Problems/Problem 2
- 04:24, 24 December 2012 (diff | hist) . . (+73) . . 2004 AMC 8 Problems/Problem 1
- 04:22, 24 December 2012 (diff | hist) . . (+29) . . 2003 AMC 8 Problems/Problem 25 (→Solution)
- 04:20, 24 December 2012 (diff | hist) . . (+13) . . 2003 AMC 8 Problems/Problem 24 (→Solution)
- 04:19, 24 December 2012 (diff | hist) . . (-135) . . 2003 AMC 8 Problems/Problem 23 (→Solution)
- 04:13, 24 December 2012 (diff | hist) . . (+13) . . 2003 AMC 8 Problems/Problem 22 (→Solution)
- 04:13, 24 December 2012 (diff | hist) . . (+11) . . 2003 AMC 8 Problems/Problem 21 (→Solution)
- 04:09, 24 December 2012 (diff | hist) . . (+231) . . 2003 AMC 8 Problems/Problem 20
- 04:07, 24 December 2012 (diff | hist) . . (+298) . . 2003 AMC 8 Problems/Problem 19
- 04:04, 24 December 2012 (diff | hist) . . (+1,410) . . 2003 AMC 8 Problems/Problem 18
- 04:01, 24 December 2012 (diff | hist) . . (+553) . . 2003 AMC 8 Problems/Problem 17
- 03:59, 24 December 2012 (diff | hist) . . (+28) . . 2003 AMC 8 Problems/Problem 16
- 03:58, 24 December 2012 (diff | hist) . . (+211) . . 2003 AMC 8 Problems/Problem 15
- 03:54, 24 December 2012 (diff | hist) . . (+13) . . m 2003 AMC 8 Problems/Problem 14
- 03:53, 24 December 2012 (diff | hist) . . (+215) . . 2003 AMC 8 Problems/Problem 13
- 03:50, 24 December 2012 (diff | hist) . . (+111) . . 2003 AMC 8 Problems/Problem 12 (→Solution)
- 03:48, 24 December 2012 (diff | hist) . . (+13) . . 2003 AMC 8 Problems/Problem 11 (→Solution)
- 03:46, 24 December 2012 (diff | hist) . . (+13) . . 2003 AMC 8 Problems/Problem 10 (→Solution)
- 03:45, 24 December 2012 (diff | hist) . . (+13) . . 2003 AMC 8 Problems/Problem 9 (→Solution)
- 03:44, 24 December 2012 (diff | hist) . . (+28) . . 2003 AMC 8 Problems/Problem 8 (→Solution)
- 03:42, 24 December 2012 (diff | hist) . . (+13) . . 2003 AMC 8 Problems/Problem 7 (→Solution)
- 03:41, 24 December 2012 (diff | hist) . . (+191) . . 2003 AMC 8 Problems/Problem 6
- 03:40, 24 December 2012 (diff | hist) . . (+13) . . 2003 AMC 8 Problems/Problem 5
- 03:40, 24 December 2012 (diff | hist) . . (+43) . . 2003 AMC 8 Problems/Problem 4
- 03:39, 24 December 2012 (diff | hist) . . (+15) . . 2003 AMC 8 Problems/Problem 3
- 03:38, 24 December 2012 (diff | hist) . . (+13) . . 2003 AMC 8 Problems/Problem 2
- 03:37, 24 December 2012 (diff | hist) . . (+13) . . 2003 AMC 8 Problems/Problem 1
- 20:36, 23 December 2012 (diff | hist) . . (+220) . . 2002 AMC 8 Problems/Problem 25
- 20:32, 23 December 2012 (diff | hist) . . (+403) . . 2002 AMC 8 Problems/Problem 24
- 20:30, 23 December 2012 (diff | hist) . . (+477) . . 2002 AMC 8 Problems/Problem 23
- 20:27, 23 December 2012 (diff | hist) . . (+13) . . m 2002 AMC 8 Problems/Problem 22
- 20:27, 23 December 2012 (diff | hist) . . (+403) . . 2002 AMC 8 Problems/Problem 22
- 20:23, 23 December 2012 (diff | hist) . . (+608) . . 2002 AMC 8 Problems/Problem 21
- 20:17, 23 December 2012 (diff | hist) . . (+12) . . 2002 AMC 8 Problems/Problem 20
(newest | oldest) View (newer 250 | older 250) (20 | 50 | 100 | 250 | 500)