User contributions
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- 00:57, 17 March 2013 (diff | hist) . . (+228) . . N 1991 AHSME Problems/Problem 10 (Created page with "Point <math>P</math> is <math>9</math> units from the center of a circle of radius <math>15</math>. How many different chords of the circle contain <math>P</math> and have intege...")
- 00:55, 17 March 2013 (diff | hist) . . (0) . . 1991 AHSME
- 00:54, 17 March 2013 (diff | hist) . . (+149) . . N 1991 AHSME Problems/Problem 3 (Created page with "<math>(4^{-1}-3^{-1})^{-1}=</math> (A) <math>-12</math> (B) <math>-1</math> (C) <math>\frac{1}{12}</math> (D) <math>1</math> (E) <math>12</math>")
- 00:52, 17 March 2013 (diff | hist) . . (+146) . . N 1991 AHSME Problems/Problem 2 (Created page with "<math>|3-\pi|=</math> (A) <math>\frac{1}{7}</math> (B) <math>0.14</math> (C) <math>3-\pi</math> (D) <math>3+\pi</math> (E) <math>\pi-3</math>")
- 00:49, 17 March 2013 (diff | hist) . . (+298) . . N 1991 AHSME Problems/Problem 1 (Created page with "If for any three distinct numbers <math>a</math>, <math>b</math>, and <math>c</math> we define <math>f(a,b,c)=\frac{c+a}{c-b}</math>, then <math>f(1,-2,-3)</math> is (A) <math>-...")
- 06:14, 1 April 2012 (diff | hist) . . (-1,306) . . 2012 AIME I Problems/Problem 13 (→Solution)
- 06:12, 1 April 2012 (diff | hist) . . (+4,437) . . 2012 AIME I Problems/Problem 13 (→Solution)
- 15:42, 2 March 2012 (diff | hist) . . (+3,841) . . N 2012 AMC 12B Problems/Problem 23 (Created page with "==Solution 1== Since <math>z_0</math> is a root of <math>P</math>, and <math>P</math> has integer coefficients, <math>z_0</math> must be algebraic. Since <math>z_0</math> is alg...")
- 01:37, 1 March 2012 (diff | hist) . . (+1,689) . . 2012 AMC 12B Problems/Problem 17 (→Solution)
- 00:48, 1 March 2012 (diff | hist) . . (+1,091) . . 2012 AMC 12B Problems/Problem 12
- 00:20, 1 March 2012 (diff | hist) . . (+589) . . 2012 AMC 12B Problems/Problem 13 (→Solution)
- 22:28, 29 February 2012 (diff | hist) . . (+196) . . 1989 AHSME Problems/Problem 14
- 22:17, 29 February 2012 (diff | hist) . . (+723) . . N 1989 AHSME Problems/Problem 16 (Created page with "Since the endpoints are (3,17) and (48,281), the line that passes through these 2 points has slope <math>m=\frac{281-17}{48-3}=\frac{264}{45}=\frac{88}{15}</math>. The equation o...")
- 22:04, 29 February 2012 (diff | hist) . . (+300) . . 1989 AHSME Problems/Problem 6
- 10:56, 19 February 2012 (diff | hist) . . (+566) . . N 1991 AHSME Problems/Problem 28 (Created page with "Initially an urn contains 100 white and 100 black marbles. Repeatedly 3 marbles are removed (at random) from the urn and replaced with some marbles from a pile outside the urn as...")
- 10:24, 19 February 2012 (diff | hist) . . (+216) . . N 1989 AHSME Problems/Problem 3 (Created page with "Let <math>x</math> be the width of a rectangle so that the side of the square is <math>3x</math>. Since <math>2(3x)+2(x)=24</math> we have <math>x=3</math>. Thus the area of the ...")
- 10:20, 19 February 2012 (diff | hist) . . (-126) . . 1989 AHSME Problems/Problem 2
- 09:54, 19 February 2012 (diff | hist) . . (+8) . . 1989 AHSME Problems/Problem 1
- 06:53, 19 February 2012 (diff | hist) . . (+397) . . 1989 AHSME Problems (→Problem 30)
- 06:49, 19 February 2012 (diff | hist) . . (0) . . 1989 AHSME Problems (→Problem 27)
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