User contributions
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- 18:36, 11 May 2012 (diff | hist) . . (+27) . . MATHCOUNTS (→Past Winners)
- 20:26, 3 April 2012 (diff | hist) . . (+2,271) . . 2012 AIME II Problems/Problem 9 (→Solution)
- 16:13, 31 March 2012 (diff | hist) . . (+637) . . N 2012 AIME II Problems/Problem 15 (Created page with "== Problem 15 == Triangle <math>ABC</math> is inscribed in circle <math>\omega</math> with <math>AB=5</math>, <math>BC=7</math>, and <math>AC=3</math>. The bisector of angle <mat...")
- 16:12, 31 March 2012 (diff | hist) . . (+430) . . N 2012 AIME II Problems/Problem 14 (Created page with "== Problem 14 == In a group of nine people each person shakes hands with exactly two of the other people from the group. Let <math>N</math> be the number of ways this handshaking...")
- 16:11, 31 March 2012 (diff | hist) . . (+351) . . N 2012 AIME II Problems/Problem 13 (Created page with "== Problem 13 == Equilateral <math>\triangle ABC</math> has side length <math>\sqrt{111}</math>. There are four distinct triangles <math>AD_1E_1</math>, <math>AD_1E_2</math>, <ma...")
- 16:11, 31 March 2012 (diff | hist) . . (+532) . . N 2012 AIME II Problems/Problem 12 (Created page with "== Problem 12 == For a positive integer <math>p</math>, define the positive integer <math>n</math> to be <math>p</math>''-safe'' if <math>n</math> differs in absolute value by mo...")
- 16:10, 31 March 2012 (diff | hist) . . (+371) . . N 2012 AIME II Problems/Problem 11 (Created page with "== Problem 11 == Let <math>f_1(x) = \frac23 - \frac3{3x+1}</math>, and for <math>n \ge 2</math>, define <math>f_n(x) = f_1(f_{n-1}(x))</math>. The value of <math>x</math> that sa...")
- 16:09, 31 March 2012 (diff | hist) . . (+302) . . N 2012 AIME II Problems/Problem 10 (Created page with "== Problem 10 == Find the number of positive integers <math>n</math> less than <math>1000</math> for which there exists a positive real number <math>x</math> such that <math>n=x\...")
- 16:09, 31 March 2012 (diff | hist) . . (+399) . . N 2012 AIME II Problems/Problem 9 (Created page with "== Problem 9 == Let <math>x</math> and <math>y</math> be real numbers such that <math>\frac{\sin x}{\sin y} = 3</math> and <math>\frac{\cos x}{\cos y} = \frac12</math>. The value...")
- 16:08, 31 March 2012 (diff | hist) . . (+222) . . N 2012 AIME II Problems/Problem 8 (Created page with "== Problem 8 == The complex numbers <math>z</math> and <math>w</math> satisfy the system <cmath> z + \frac{20i}w = 5+i \\ \\ w+\frac{12i}z = -4+10i </cmath> Find the smallest pos...")
- 16:07, 31 March 2012 (diff | hist) . . (+274) . . N 2012 AIME II Problems/Problem 7 (Created page with "== Problem 7 == Let <math>S</math> be the increasing sequence of positive integers whose binary representation has exactly <math>8</math> ones. Let <math>N</math> be the 1000th n...")
- 16:07, 31 March 2012 (diff | hist) . . (+127) . . 2012 AIME II Problems/Problem 6
- 16:05, 31 March 2012 (diff | hist) . . (+966) . . N 2012 AIME II Problems/Problem 5 (Created page with "== Problem 5 == In the accompanying figure, the outer square <math>S</math> has side length <math>40</math>. A second square <math>S'</math> of side length <math>15</math> is con...")
- 16:04, 31 March 2012 (diff | hist) . . (+1,009) . . N 2012 AIME II Problems/Problem 4 (Created page with "== Problem 4 == Ana, Bob, and Cao bike at constant rates of <math>8.6</math> meters per second, <math>6.2</math> meters per second, and <math>5</math> meters per second, respecti...")
- 16:03, 31 March 2012 (diff | hist) . . (+453) . . N 2012 AIME II Problems/Problem 3 (Created page with "== Problem 3 == At a certain university, the division of mathematical sciences consists of the departments of mathematics, statistics, and computer science. There are two male an...")
- 16:02, 31 March 2012 (diff | hist) . . (+245) . . N 2012 AIME II Problems/Problem 2 (Created page with "== Problem 2 == Two geometric sequences <math>a_1, a_2, a_3, \ldots</math> and <math>b_1, b_2, b_3, \ldots</math> have the same common ratio, with <math>a_1 = 27</math>, <math>b_...")
- 16:00, 31 March 2012 (diff | hist) . . (+145) . . N 2012 AIME II Problems/Problem 1 (Created page with "== Problem 1 == Find the number of ordered pairs of positive integer solutions <math>(m, n)</math> to the equation <math>20m + 12n = 2012</math>.")
- 18:46, 30 March 2012 (diff | hist) . . (+14) . . m 2012 AIME II Answer Key
- 20:29, 25 March 2012 (diff | hist) . . (+13) . . m 2009 AIME I Problems/Problem 11 (→Solution 2)
- 16:23, 25 March 2012 (diff | hist) . . (+12) . . m 2009 AIME I Problems/Problem 11 (→Solution 2)
- 16:07, 25 March 2012 (diff | hist) . . (+2,729) . . 2009 AIME I Problems/Problem 11 (→Solution)
- 23:51, 15 March 2012 (diff | hist) . . (+6) . . m Rational Root Theorem (→Proof)
- 23:51, 15 March 2012 (diff | hist) . . (+37) . . m Rational Root Theorem (→Proof)
- 23:00, 11 March 2012 (diff | hist) . . (+46) . . 2012 AMC 12B Problems/Problem 12 (→Solution 1)
- 14:56, 11 March 2012 (diff | hist) . . (-172) . . User:Williamhu888 (Blanked the page) (current)
- 00:03, 9 March 2012 (diff | hist) . . (+21) . . m 2006 AIME I Problems/Problem 8 (→Solution)
- 01:27, 3 March 2012 (diff | hist) . . (0) . . m 2005 AIME II Problems/Problem 5 (→Solution)
- 15:02, 25 February 2012 (diff | hist) . . (+8) . . m 2004 AIME II Problems/Problem 1 (→Solution)
- 15:31, 19 February 2012 (diff | hist) . . (+8) . . m 2003 AIME II Problems/Problem 7
- 19:28, 18 February 2012 (diff | hist) . . (+113) . . 2003 AIME I Problems/Problem 3
- 22:59, 11 February 2012 (diff | hist) . . (-60) . . 2001 AIME II Problems/Problem 7
- 22:57, 11 February 2012 (diff | hist) . . (+319) . . 2001 AIME II Problems/Problem 7
- 23:41, 9 February 2012 (diff | hist) . . (+9) . . 2012 AMC 10A Problems/Problem 24
- 01:10, 10 December 2011 (diff | hist) . . (-6) . . m MATHCOUNTS (→Rewards)
- 01:09, 10 December 2011 (diff | hist) . . (+29) . . m MATHCOUNTS (→Countdown Round)
- 19:04, 24 November 2011 (diff | hist) . . (+25) . . California MathCounts
- 19:04, 24 November 2011 (diff | hist) . . (+48) . . California MathCounts (→History)
- 12:24, 8 August 2011 (diff | hist) . . (+27) . . m Completing the square
- 19:55, 25 July 2011 (diff | hist) . . (+780) . . AoPS Wiki talk:Problem of the Day/July 25, 2011 (current)
- 19:50, 25 July 2011 (diff | hist) . . (+63) . . N AoPS Wiki talk:Problem of the Day/July 25, 2011 (Created page with "Find the remainder when <math>2^{2011}</math> is divided by 11.")
- 00:00, 17 July 2011 (diff | hist) . . (+3) . . m Set (→Empty Set) (current)
- 20:43, 14 July 2011 (diff | hist) . . (+544) . . MATHCOUNTS
- 20:32, 14 July 2011 (diff | hist) . . (+11) . . m MATHCOUNTS (→Past Winners)
- 21:29, 1 July 2011 (diff | hist) . . (-1) . . m Completing the square (→General Solution For A Quadratic by Completing the Square)
- 11:01, 1 July 2011 (diff | hist) . . (0) . . m Trigonometric identities (→Even-Odd Identities)
- 10:57, 1 July 2011 (diff | hist) . . (-11) . . m AoPS Wiki talk:Problem of the Day/July 1, 2011
- 20:22, 30 June 2011 (diff | hist) . . (+1) . . m AoPS Wiki talk:Problem of the Day/July 1, 2011
- 20:20, 30 June 2011 (diff | hist) . . (+745) . . AoPS Wiki talk:Problem of the Day/July 1, 2011
- 20:10, 30 June 2011 (diff | hist) . . (+18) . . AoPS Wiki talk:Problem of the Day/July 1, 2011
- 20:10, 30 June 2011 (diff | hist) . . (-18) . . AoPS Wiki talk:Problem of the Day/July 1, 2011 (→Solution)
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