# User contributions

- 01:13, 12 January 2013 (diff | hist) . . (+43) . . 2008 AMC 12B Problems/Problem 17 (→Solution)
- 14:03, 3 February 2012 (diff | hist) . . (+2) . . 2008 AMC 12A Problems/Problem 19 (→Solution)
- 23:05, 12 January 2012 (diff | hist) . . (-1) . . 1993 AIME Problems/Problem 14 (→Solution)
- 14:04, 13 February 2011
(diff | hist) . .
**(+520)** . . N 2011 AMC 10A Problems/Problem 25 (Created page with '==Problem 25== Let <math>R</math> be a square region and <math>n\ge4</math> an integer. A point <math>X</math> in the interior of <math>R</math> is called <math>n\text{-}ray</ma…') - 02:52, 13 February 2011 (diff | hist) . . (+363) . . N 2011 AMC 10A Problems/Problem 24 (Created page with '==Problem 24== Two distinct regular tetrahedra have all their vertices among the vertices of the same unit cube. What is the volume of the region formed by the intersection of t…')
- 20:25, 12 February 2011 (diff | hist) . . (+294) . . N 2011 AMC 10A Problems/Problem 17 (Created page with '==Problem 17== In the eight-term sequence <math>A,B,C,D,E,F,G,H</math>, the value of <math>C</math> is 5 and the sum of any three consecutive terms is 30. What is <math>A+H</mat…')
- 20:02, 12 February 2011 (diff | hist) . . (+243) . . N 2011 AMC 10A Problems/Problem 16 (Created page with '==Problem 16== Which of the following is equal to <math>\sqrt{9-6\sqrt{2}}+\sqrt{9+6\sqrt{2}}</math>? <math>\text{(A)}\,3\sqrt2 \qquad\text{(B)}\,2\sqrt6 \qquad\text{(C)}\,\frac…')
- 19:27, 12 February 2011 (diff | hist) . . (+436) . . N 2011 AMC 10A Problems/Problem 14 (Created page with '==Problem 14== A pair of standard 6-sided fair dice is rolled once. The sum of the numbers rolled determines the diameter of a circle. What is the probability that the numerica…')
- 14:02, 12 February 2011 (diff | hist) . . (+250) . . N 2011 AMC 10A Problems/Problem 13 (Created page with '==Problem 13== How many even integers are there between 200 and 700 whose digits are all different and come from the set {1,2,5,7,8,9}? <math>\text{(A)}\,12 \qquad\text{(B)}\,20…')
- 14:00, 12 February 2011 (diff | hist) . . (-30) . . m 2011 AMC 10A Problems/Problem 12 (→Problem 12)
- 16:15, 11 February 2011 (diff | hist) . . (+497) . . N 2011 AMC 10A Problems/Problem 12 (Created page with '==Problem 12== The players on a basketball team made some three-point shots, some two-point shots, and some one-point free throws. They scored as many points with two-point shot…')
- 02:07, 11 February 2011 (diff | hist) . . (+443) . . N 2011 AMC 10A Problems/Problem 11 (Created page with '==Problem 11== Square <math>EFGH</math> has one vertex on each side of square <math>ABCD</math>. Point <math>E</math> is on <math>AB</math> with <math>AE=7\cdot EB</math>. What…')
- 01:59, 11 February 2011
(diff | hist) . .
**(+525)** . . N 2011 AMC 10A Problems/Problem 10 (Created page with '==Problem 10== A majority of the 30 students in Ms. Deameanor's class bought pencils at the school bookstore. Each of these students bought the same number of pencils, and this …') - 01:36, 11 February 2011 (diff | hist) . . (+259) . . N 2011 AMC 10A Problems/Problem 7 (Created page with '==Problem 7== Which of the following equations does NOT have a solution? <math>\text{(A)}\:(x+7)^2=0</math> <math>\text{(B)}\:|-3x|+5=0</math> <math>\text{(C)}\:\sqrt{-x}-2=0<…')
- 01:29, 11 February 2011 (diff | hist) . . (+312) . . N 2011 AMC 10A Problems/Problem 6 (Created page with '==Problem 6== Set <math>A</math> has <math>20</math> elements, and set <math>B</math> has <math>15</math> elements. What is the smallest possible number of elements in <math>A \…')
- 16:56, 28 January 2011 (diff | hist) . . (+26) . . 2010 AMC 10B Problems/Problem 24
- 16:48, 28 January 2011 (diff | hist) . . (-1) . . m 2010 AMC 10B Problems (→Problem 7)