User contributions
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- 14:41, 24 August 2012 (diff | hist) . . (+534) . . 2012 AIME I Problems/Problem 6
- 14:39, 24 August 2012 (diff | hist) . . (+483) . . 2012 AIME I Problems/Problem 2
- 14:38, 24 August 2012 (diff | hist) . . (+2) . . 2012 AIME I Problems/Problem 1
- 14:38, 24 August 2012 (diff | hist) . . (+17) . . 2012 AIME I Problems/Problem 1
- 14:37, 24 August 2012 (diff | hist) . . (+803) . . 2012 AIME I Problems/Problem 1
- 22:09, 29 July 2012 (diff | hist) . . (+26) . . 2002 AMC 8 Problems/Problem 14 (→Solution #1)
- 22:09, 29 July 2012 (diff | hist) . . (-62) . . 2002 AMC 8 Problems/Problem 14 (→Solution #1)
- 22:07, 29 July 2012 (diff | hist) . . (-13) . . 2002 AMC 8 Problems/Problem 14 (→Solution #2)
- 17:10, 17 July 2012 (diff | hist) . . (+1) . . 1980 AHSME Problems/Problem 1 (→Problem)
- 13:11, 16 July 2012 (diff | hist) . . (+498) . . N 1980 AHSME Problems/Problem 10 (Created page with "==Problem== The number of teeth in three meshed gears <math>A</math>, <math>B</math>, and <math>C</math> are <math>x</math>, <math>y</math>, and <math>z</math>, respectively. (T...")
- 13:11, 16 July 2012 (diff | hist) . . (+398) . . N 1980 AHSME Problems/Problem 9 (Created page with "==Problem== A man walks <math>x</math> miles due west, turns <math>150^\circ</math> to his left and walks 3 miles in the new direction. If he finishes a a point <math>\sqrt{3}</...")
- 13:11, 16 July 2012 (diff | hist) . . (+352) . . N 1980 AHSME Problems/Problem 8 (Created page with "==Problem== How many pairs <math>(a,b)</math> of non-zero real numbers satisfy the equation <cmath> \frac{1}{a} + \frac{1}{b} = \frac{1}{a+b} </cmath> <math>\text{(A)} \ \text...")
- 13:10, 16 July 2012 (diff | hist) . . (+903) . . N 1980 AHSME Problems/Problem 7 (Created page with "==Problem== Sides <math>AB,BC,CD</math> and <math>DA</math> of convex polygon <math>ABCD</math> have lengths 3,4,12, and 13, respectively, and <math>\measuredangle CBA</math> is...")
- 13:10, 16 July 2012 (diff | hist) . . (+265) . . N 1980 AHSME Problems/Problem 6 (Created page with "==Problem== A positive number <math>x</math> satisfies the inequality <math>\sqrt{x} < 2x</math> if and only if <math>\text{(A)} \ x > \frac{1}{4} \qquad \text{(B)} \ x > 2 \qqu...")
- 13:09, 16 July 2012 (diff | hist) . . (+782) . . N 1980 AHSME Problems/Problem 5 (Created page with "==Problem== If <math>AB</math> and <math>CD</math> are perpendicular diameters of circle <math>Q</math>, <math>P</math> in <math>\overline{AQ}</math>, and <math>\measuredangle Q...")
- 13:08, 16 July 2012 (diff | hist) . . (+723) . . N 1980 AHSME Problems/Problem 4 (Created page with "==Problem== In the adjoining figure, CDE is an equilateral triangle and ABCD and DEFG are squares. The measure of <math>\angle GDA</math> is <math>\text{(A)} \ 90^\circ \qquad ...")
- 13:07, 16 July 2012 (diff | hist) . . (+307) . . N 1980 AHSME Problems/Problem 3 (Created page with "==Problem== If the ratio of <math>2x-y</math> to <math>x+y</math> is <math>\frac{2}{3}</math>, what is the ratio of <math>x</math> to <math>y</math>? <math>\text{(A)} \ \frac{1...")
- 13:07, 16 July 2012 (diff | hist) . . (-2) . . 1980 AHSME Problems/Problem 1
- 13:07, 16 July 2012 (diff | hist) . . (-2) . . 1980 AHSME Problems/Problem 2
- 13:07, 16 July 2012 (diff | hist) . . (+217) . . N 1980 AHSME Problems/Problem 2 (Created page with "==Problem 2== The degree of <math>(x^2+1)^4 (x^3+1)^3</math> as a polynomial in <math>x</math> is <math>\text{(A)} \ 5 \qquad \text{(B)} \ 7 \qquad \text{(C)} \ 12 \qquad \text{...")
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