User contributions
(newest | oldest) View (newer 100 | older 100) (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)
(newest | oldest) View (newer 100 | older 100) (20 | 50 | 100 | 250 | 500)