User contributions
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- 14:40, 16 February 2018 (diff | hist) . . (0) . . 2018 AMC 12B Problems/Problem 24 (Redirected page to 2018 AMC 10B Problems/Problem 25) (current)
- 14:40, 16 February 2018 (diff | hist) . . (+45) . . N 2018 AMC 12B Problems/Problem 24 (Redirected page to 2018 AMC 10B Problems/Problem 24)
- 14:38, 16 February 2018 (diff | hist) . . (+2,428) . . N 2018 AMC 12B Problems/Problem 25 (Created page with "== Problem == Circles <math>\omega_1</math>, <math>\omega_2</math>, and <math>\omega_3</math> each have radius <math>4</math> and are placed in the plane so that each circle...")
- 14:35, 16 February 2018 (diff | hist) . . (+80) . . 2018 AMC 12B Problems/Problem 16
- 14:34, 16 February 2018 (diff | hist) . . (+766) . . N 2018 AMC 12B Problems/Problem 16 (Created page with "== Problem == The solutions to the equation <math>(z+6)^8=81</math> are connected in the complex plane to form a convex regular polygon, three of whose vertices are labeled <...")
- 14:32, 16 February 2018 (diff | hist) . . (+44) . . N 2018 AMC 12B Problems/Problem 1 (Redirected page to 2018 AMC 10B Problems/Problem 1) (current)
- 14:31, 16 February 2018 (diff | hist) . . (+99) . . N 2018 AMC 12B Answer Key (Created page with "# A # D # B # B # D # B # C # C # E # D # A # C # C # E # A # B # A # B # C # C # E # D # C # C # D") (current)
- 18:38, 8 February 2018 (diff | hist) . . (+14) . . 2018 AMC 10A Problems/Problem 1
- 18:37, 8 February 2018 (diff | hist) . . (+33) . . 2018 AMC 10A Problems/Problem 1
- 18:35, 8 February 2018 (diff | hist) . . (+139) . . 2018 AMC 10A Problems/Problem 23
- 18:35, 8 February 2018 (diff | hist) . . (-14) . . 2018 AMC 10A Problems/Problem 21
- 18:34, 8 February 2018 (diff | hist) . . (+155) . . 2018 AMC 10A Problems/Problem 21
- 18:34, 8 February 2018 (diff | hist) . . (+47) . . 2018 AMC 10A Problems/Problem 20
- 18:33, 8 February 2018 (diff | hist) . . (+137) . . 2018 AMC 10A Problems/Problem 18
- 18:33, 8 February 2018 (diff | hist) . . (+124) . . 2018 AMC 10A Problems/Problem 17
- 18:31, 8 February 2018 (diff | hist) . . (+62) . . 2018 AMC 10A Problems/Problem 13
- 18:30, 8 February 2018 (diff | hist) . . (+495) . . 2018 AMC 10A Problems/Problem 12
- 18:26, 8 February 2018 (diff | hist) . . (+45) . . 2018 AMC 10A Problems/Problem 9
- 18:25, 8 February 2018 (diff | hist) . . (+45) . . 2018 AMC 10A Problems/Problem 7
- 18:25, 8 February 2018 (diff | hist) . . (-13) . . 2018 AMC 12A Problems/Problem 5
- 18:24, 8 February 2018 (diff | hist) . . (+45) . . 2018 AMC 10A Problems/Problem 5
- 18:23, 8 February 2018 (diff | hist) . . (+45) . . 2018 AMC 10A Problems/Problem 4
- 17:11, 8 February 2018 (diff | hist) . . (+99) . . N 2018 AMC 12A Answer Key (Created page with "# D # C # E # D # E # B # E # E # E # C # D # C # D # D # B # E # D # D # C # D # B # A # E # B # D") (current)
- 16:21, 8 February 2018 (diff | hist) . . (+90) . . 2018 AMC 12A Problems/Problem 1
- 16:20, 8 February 2018 (diff | hist) . . (+795) . . N 2018 AMC 12A Problems/Problem 2 (Created page with "== Problem == While exploring a cave, Carl comes across a collection of <math>5</math>-pound rocks worth <math>\$14</math> each, <math>4</math>-pound rocks worth <math>\$11</...")
- 16:16, 8 February 2018 (diff | hist) . . (+44) . . N 2018 AMC 12A Problems/Problem 3 (Redirected page to 2018 AMC 10A Problems/Problem 4) (current)
- 16:16, 8 February 2018 (diff | hist) . . (+44) . . N 2018 AMC 12A Problems/Problem 4 (Redirected page to 2018 AMC 10A Problems/Problem 5) (current)
- 16:15, 8 February 2018 (diff | hist) . . (+688) . . N 2018 AMC 12A Problems/Problem 6 (Created page with "== Problem == For positive integers <math>m</math> and <math>n</math> such that <math>m+10<n+1</math>, both the mean and the median of the set <math>\{m, m+4, m+10, n+1, n+2,...")
- 16:13, 8 February 2018 (diff | hist) . . (+44) . . N 2018 AMC 12A Problems/Problem 7 (Redirected page to 2018 AMC 10A Problems/Problem 7) (current)
- 16:12, 8 February 2018 (diff | hist) . . (+44) . . N 2018 AMC 12A Problems/Problem 8 (Redirected page to 2018 AMC 10A Problems/Problem 9) (current)
- 16:12, 8 February 2018 (diff | hist) . . (+842) . . N 2018 AMC 12A Problems/Problem 9 (Created page with "== Problem == Which of the following describes the largest subset of values of <math>y</math> within the closed interval <math>[0,\pi]</math> for which <cmath>\sin(x+y)\leq \...")
- 16:10, 8 February 2018 (diff | hist) . . (+45) . . N 2018 AMC 12A Problems/Problem 10 (Redirected page to 2018 AMC 10A Problems/Problem 12) (current)
- 16:10, 8 February 2018 (diff | hist) . . (+45) . . N 2018 AMC 12A Problems/Problem 11 (Redirected page to 2018 AMC 10A Problems/Problem 13) (current)
- 16:09, 8 February 2018 (diff | hist) . . (+46) . . N 2018 AMC 12A Problems/Problem 12 (Redirected page to 2018 AMC 10A Problems/Problem 17) (current)
- 16:09, 8 February 2018 (diff | hist) . . (+46) . . N 2018 AMC 12A Problems/Problem 13 (Redirected page to 2018 AMC 10A Problems/Problem 18) (current)
- 16:08, 8 February 2018 (diff | hist) . . (+961) . . N 2018 AMC 12A Problems/Problem 14 (Created page with "== Problem == The solutions to the equation <math>\log_{3x} 4 = \log_{2x} 8</math>, where <math>x</math> is a positive real number other than <math>\tfrac{1}{3}</math> or <ma...")
- 16:05, 8 February 2018 (diff | hist) . . (+46) . . N 2018 AMC 12A Problems/Problem 15 (Redirected page to 2018 AMC 10A Problems/Problem 20) (current)
- 16:02, 8 February 2018 (diff | hist) . . (+45) . . N 2018 AMC 12A Problems/Problem 16 (Redirected page to 2018 AMC 10A Problems/Problem 21) (current)
- 16:00, 8 February 2018 (diff | hist) . . (+45) . . N 2018 AMC 12A Problems/Problem 17 (Redirected page to 2018 AMC 10A Problems/Problem 23) (current)
- 15:58, 8 February 2018 (diff | hist) . . (+1,034) . . N 2018 AMC 12A Problems/Problem 19 (Created page with "== Problem == Let <math>A</math> be the set of positive integers that have no prime factors other than <math>2</math>, <math>3</math>, or <math>5</math>. The infinite sum <cm...")
- 15:56, 8 February 2018 (diff | hist) . . (+1,414) . . N 2018 AMC 12A Problems/Problem 20 (Created page with "== Problem == Triangle <math>ABC</math> is an isosceles right triangle with <math>AB=AC=3</math>. Let <math>M</math> be the midpoint of hypotenuse <math>\overline{BC}</math>....")
- 15:50, 8 February 2018 (diff | hist) . . (+73) . . 2018 AMC 12A Problems/Problem 21
- 15:50, 8 February 2018 (diff | hist) . . (+1,123) . . N 2018 AMC 12A Problems/Problem 22 (Created page with "== Problem == The solutions to the equations <math>z^2=4+4\sqrt{15}i</math> and <math>z^2=2+2\sqrt 3i,</math> where <math>i=\sqrt{-1},</math> form the vertices of a parallelo...")
- 15:47, 8 February 2018 (diff | hist) . . (+1,434) . . 2018 AMC 10A Problems/Problem 25
- 15:45, 8 February 2018 (diff | hist) . . (+522) . . 2018 AMC 10A Problems/Problem 24
- 15:41, 8 February 2018 (diff | hist) . . (-708) . . 2018 AMC 12A Problems/Problem 25 (Redirected page to 2018 AMC 10A Problems/Problem 25) (current)
- 15:39, 8 February 2018 (diff | hist) . . (+73) . . 2018 AMC 12A Problems/Problem 24
- 15:39, 8 February 2018 (diff | hist) . . (-4) . . 2018 AMC 12A Problems/Problem 23
- 15:38, 8 February 2018 (diff | hist) . . (+1,549) . . N 2018 AMC 12A Problems/Problem 23 (Created page with "=== Problem === In <math>\triangle PAT,</math> <math>\angle P=36^{\circ},</math> <math>\angle A=56^{\circ},</math> and <math>PA=10.</math> Points <math>U</math> and <math>G<...")
- 15:36, 8 February 2018 (diff | hist) . . (+841) . . N 2018 AMC 12A Problems/Problem 24 (Created page with "=== Problem === Alice, Bob, and Carol play a game in which each of them chooses a real number between 0 and 1. The winner of the game is the one whose number is between the n...")
- 15:34, 8 February 2018 (diff | hist) . . (+772) . . N 2018 AMC 12A Problems/Problem 21 (Created page with "===Problem=== Which of the following polynomials has the greatest real root? <math>\textbf{(A) } x^{19}+2018x^{11}+1 \qquad \textbf{(B) } x^{17}+2018x^{11}+1 \q...")
- 15:30, 8 February 2018 (diff | hist) . . (+45) . . N 2018 AMC 12A Problems/Problem 18 (Redirected page to 2018 AMC 10A Problems/Problem 24) (current)
- 22:33, 5 November 2017 (diff | hist) . . (+135) . . 1983 AIME Problems/Problem 14
- 11:04, 15 August 2017 (diff | hist) . . (-27) . . 2010 AMC 12B Problems/Problem 21
- 11:03, 15 August 2017 (diff | hist) . . (-320) . . 2010 AMC 12B Problems/Problem 21
- 19:38, 4 June 2017 (diff | hist) . . (-48) . . 2008 AIME I Problems/Problem 9
- 21:18, 14 March 2017 (diff | hist) . . (-16) . . 2016 USAJMO Problems/Problem 1
- 09:02, 30 November 2016 (diff | hist) . . (+1,659) . . Ball-and-urn (restored to January 27)
- 17:07, 21 October 2016 (diff | hist) . . (+15) . . Joining an ARML team
- 20:16, 10 September 2016 (diff | hist) . . (+80) . . How should I prepare?
- 11:33, 17 August 2016 (diff | hist) . . (+12) . . Mock MathCounts
- 19:37, 10 July 2016 (diff | hist) . . (+1,364) . . 2014 AMC 8 Problems (restored missing problems)
- 19:31, 10 July 2016 (diff | hist) . . (+1,466) . . 2015 AMC 8 Problems (restored missing problems)
- 23:22, 7 July 2016 (diff | hist) . . (+5) . . 2013 AMC 12B Problems/Problem 25
- 23:21, 7 July 2016 (diff | hist) . . (+537) . . 2013 AMC 12B Problems/Problem 25
- 14:32, 1 July 2016 (diff | hist) . . (+732) . . Mock MathCounts
- 17:49, 28 June 2016 (diff | hist) . . (+6) . . How should I prepare?
- 20:11, 25 June 2016 (diff | hist) . . (+10) . . 2004 AIME II Problems/Problem 10
- 18:28, 25 June 2016 (diff | hist) . . (+3) . . 2011 AMC 12B Problems/Problem 20
- 18:17, 25 June 2016 (diff | hist) . . (+836) . . 2011 AMC 12B Problems/Problem 20
- 18:05, 25 June 2016 (diff | hist) . . (+1,873) . . 2011 AMC 12B Problems/Problem 25
- 17:10, 20 June 2016 (diff | hist) . . (-75) . . 2001 AMC 10 Problems/Problem 23 (Redirected page to 2001 AMC 12 Problems/Problem 11) (current)
- 17:41, 15 June 2016 (diff | hist) . . (+157) . . How should I prepare?
- 20:15, 9 June 2016 (diff | hist) . . (+111) . . Resources for mathematics competitions
- 20:14, 9 June 2016 (diff | hist) . . (+169) . . Resources for mathematics competitions
- 20:12, 9 June 2016 (diff | hist) . . (0) . . Resources for mathematics competitions
- 20:11, 9 June 2016 (diff | hist) . . (+365) . . Resources for mathematics competitions
- 19:51, 9 June 2016 (diff | hist) . . (+72) . . How should I prepare?
- 19:49, 9 June 2016 (diff | hist) . . (+101) . . Resources for mathematics competitions
- 19:48, 9 June 2016 (diff | hist) . . (+141) . . How should I prepare?
- 19:46, 9 June 2016 (diff | hist) . . (+413) . . How should I prepare?
- 08:49, 29 May 2016 (diff | hist) . . (+57) . . 2005 USAMO Problems/Problem 3
- 08:47, 29 May 2016 (diff | hist) . . (+1,752) . . 2005 USAMO Problems/Problem 3
- 21:28, 28 May 2016 (diff | hist) . . (-23) . . 2013 APMO Problems/Problem 5 (current)
- 21:25, 28 May 2016 (diff | hist) . . (+4,841) . . N 2013 APMO Problems/Problem 5 (Created page with "== Problem == Let <math>ABCD</math> be a quadrilateral inscribed in a circle <math>\omega</math>, and let <math>P</math> be a point on the extension of <math>AC</math> such t...")
- 20:29, 28 May 2016 (diff | hist) . . (+1,051) . . APMO Problems and Solutions
- 20:17, 28 May 2016 (diff | hist) . . (+775) . . 2014 IMO Problems/Problem 4
- 20:07, 28 May 2016 (diff | hist) . . (+752) . . 2014 IMO Problems/Problem 4
- 22:21, 27 May 2016 (diff | hist) . . (-65) . . 2001 AIME I Problems/Problem 12
- 22:14, 27 May 2016 (diff | hist) . . (+725) . . 2001 AIME I Problems/Problem 13
- 22:05, 27 May 2016 (diff | hist) . . (+36) . . 2001 AIME I Problems/Problem 9
- 19:25, 27 May 2016 (diff | hist) . . (+373) . . 2001 AIME I Problems/Problem 9
- 19:17, 27 May 2016 (diff | hist) . . (-2) . . 2000 AIME I Answer Key (current)
- 19:12, 27 May 2016 (diff | hist) . . (+1,195) . . 2001 AIME I Problems/Problem 15
- 17:08, 24 May 2016 (diff | hist) . . (+113) . . Mock MathCounts
- 21:35, 10 May 2016 (diff | hist) . . (-78) . . 2001 USAMO Problems/Problem 2
- 21:33, 10 May 2016 (diff | hist) . . (+3,245) . . 2001 USAMO Problems/Problem 2
- 21:42, 29 April 2016 (diff | hist) . . (-63) . . 1986 IMO Problems/Problem 1
- 16:06, 29 April 2016 (diff | hist) . . (+2,461) . . N 1986 IMO Problems (Created page with "== Day 1 == === Problem 1 === Let <math>d</math> be any positive integer not equal to <math>2, 5</math> or <math>13</math>. Show that one can find distinct <math>a,b</math> ...")
- 16:04, 29 April 2016 (diff | hist) . . (+807) . . N 1986 IMO Problems/Problem 1 (Created page with "== Problem == Let <math>d</math> be any positive integer not equal to <math>2, 5</math> or <math>13</math>. Show that one can find distinct <math>a,b</math> in the set <math>...")
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