# User contributions

- 23:53, 7 February 2013 (diff | hist) . . (+13) . . 2013 AMC 12A Problems/Problem 4
- 23:53, 7 February 2013 (diff | hist) . . (+25) . . 2013 AMC 12A Problems/Problem 3
- 23:52, 7 February 2013 (diff | hist) . . (+25) . . 2013 AMC 12A Problems/Problem 2
- 23:51, 7 February 2013 (diff | hist) . . (+25) . . 2013 AMC 12A Problems/Problem 1
- 22:55, 6 February 2013 (diff | hist) . . (+267) . . 2013 AMC 12A Problems/Problem 11
- 22:49, 6 February 2013 (diff | hist) . . (+45) . . 2013 AMC 12A Problems/Problem 14
- 22:47, 6 February 2013 (diff | hist) . . (+130) . . 2013 AMC 12A Problems/Problem 14
- 22:43, 6 February 2013 (diff | hist) . . (+24) . . 2013 AMC 12A Problems/Problem 13
- 22:40, 6 February 2013
(diff | hist) . .
**(+1,271)** . . N 2013 AMC 12A Problems/Problem 13 (Created page with "If you have graph paper, use Pick's Theorem to quickly and efficiently find the area. If not, just find the area of the quadrilateral by other methods. Pick's Theorem states tha...") - 22:04, 6 February 2013
(diff | hist) . .
**(+640)** . . N 2013 AMC 12A Problems/Problem 14 (Created page with "Since the sequence is arithmetic, <math>\log_{12}{162}</math> + 4d = <math>\log_{12}{1250}</math>, where d is the common difference. Therefore, 4d = <math>\log_{12}{1250}</m...") - 21:34, 6 February 2013 (diff | hist) . . (+11) . . 2013 AMC 12A Problems/Problem 5
- 21:33, 6 February 2013 (diff | hist) . . (+32) . . 2013 AMC 12A Problems/Problem 4
- 21:21, 6 February 2013 (diff | hist) . . (+423) . . N 2013 AMC 12A Problems/Problem 11 (Created page with "Let AD = x, and AG = y. We want to find DE + FG, which is nothing but x+y. Based on the fact that ∆ADE, DEFG, and BCFG have the same perimeters, we can say the following: 3x ...")
- 21:00, 6 February 2013 (diff | hist) . . (+193) . . N 2013 AMC 12A Problems/Problem 4 (Created page with "We can factor a 2^2012 out of the numerator and denominator to obtain ((2^2012)((2^2)+1))/((2^2012)((2^2)-1)) Both the (2^2012) terms cancel, so we get ((2^2)+1)/((2^2)-1) = ...")
- 20:50, 6 February 2013 (diff | hist) . . (+6) . . 2013 AMC 12A Problems/Problem 1
- 20:47, 6 February 2013 (diff | hist) . . (+369) . . N 2013 AMC 12A Problems/Problem 3 (Created page with "We are given that 6/10, or 3/5 of the flowers are pink, so we know 2/5 of the flowers are red. Since 1/3 of the pink flowers are roses, 2/3 of the pink flowers are carnations. ...")
- 20:43, 6 February 2013 (diff | hist) . . (+376) . . N 2013 AMC 12A Problems/Problem 2 (Created page with "To score twice as many runs as their opponent, the softball team must have scored an even number. Therefore we can deduce that when they scored 1, 3, 5, 7, and 9 runs, they lost...")
- 20:37, 6 February 2013 (diff | hist) . . (+64) . . 2013 AMC 12A Problems/Problem 1
- 20:31, 6 February 2013 (diff | hist) . . (+130) . . N 2013 AMC 12A Problems/Problem 1 (Created page with "We know that the Area of a triangle is (bh)/2, so we can figure out that b=2A/h A=40 h=10 Therefore, b=80/10, which is 8, or E")