User contributions
- 19:01, 7 February 2015 (diff | hist) . . (+534) . . 2015 AMC 12A Problems/Problem 13 (→Solution)
- 22:53, 8 April 2014 (diff | hist) . . (+144) . . 2014 AIME II Problems/Problem 9
- 22:52, 8 April 2014 (diff | hist) . . (+554) . . 2014 AIME II Problems/Problem 8
- 16:58, 27 March 2014 (diff | hist) . . (-1) . . 2014 AIME II Problems/Problem 7 (→Solution)
- 16:57, 27 March 2014 (diff | hist) . . (+99) . . 2014 AIME II Problems/Problem 7
- 16:53, 27 March 2014 (diff | hist) . . (+1,035) . . N 2014 AIME II Problems/Problem 7 (Created page with "==Problem== Let <math>f(x)=(x^2+3x+2)^{\cos(\pi x)}</math>. Find the sum of all positive integers <math>n</math> for which <cmath>\left |\sum_{k=1}^n\log_{10}f(k)\right|=1.</cm...")
- 16:36, 27 March 2014 (diff | hist) . . (+1,362) . . N 2014 AIME II Problems/Problem 6 (Created page with "==Problem== Charles has two six-sided die. One of the die is fair, and the other die is biased so that it comes up six with probability <math>\frac{2}{3}</math> and each of the ...")
- 16:26, 27 March 2014 (diff | hist) . . (+549) . . 2014 AIME II Problems/Problem 4
- 16:15, 27 March 2014 (diff | hist) . . (+350) . . 2014 AIME II Problems/Problem 4
- 16:15, 27 March 2014 (diff | hist) . . (+561) . . N 2014 AIME II Problems/Problem 3 (Created page with "==Problem== A rectangle has sides of length <math>a</math> and 36. A hinge is installed at each vertex of the rectangle, and at the midpoint of each side of length 36. The sides...")
- 16:14, 27 March 2014 (diff | hist) . . (+789) . . N 2014 AIME II Problems/Problem 2 (Created page with "==Problem== Arnold is studying the prevalence of three health risk factors, denoted by A, B, and C, within a population of men. For each of the three factors, the probability th...")
- 16:11, 27 March 2014 (diff | hist) . . (+1,469) . . N 2014 AIME II Problems/Problem 1 (Created page with "==Problem== Abe can paint the room in 15 hours, Bea can paint 50 percent faster than Abe, and Coe can paint twice as fast as Abe. Abe begins to paint the room and works alone fo...")
- 00:14, 21 February 2014 (diff | hist) . . (+50) . . 2014 AMC 12B Problems/Problem 15 (→Solution)
- 00:11, 21 February 2014 (diff | hist) . . (+10) . . 2014 AMC 12B Problems/Problem 9 (→Solution)
- 00:09, 21 February 2014 (diff | hist) . . (+3) . . 2014 AMC 12B Problems/Problem 2 (→Solution)
- 00:07, 21 February 2014 (diff | hist) . . (+28) . . 2014 AMC 12B Problems/Problem 9 (→Solution)
- 23:10, 20 February 2014 (diff | hist) . . (+17) . . 2014 AMC 12B Problems/Problem 17 (→Solution)
- 23:06, 20 February 2014 (diff | hist) . . (+2) . . 2014 AMC 12B Problems/Problem 22 (oops added question to page)
- 23:06, 20 February 2014 (diff | hist) . . (+800) . . 2014 AMC 12B Problems/Problem 22
- 23:02, 20 February 2014 (diff | hist) . . (+1) . . 2014 AMC 12B Problems/Problem 22
- 22:38, 20 February 2014 (diff | hist) . . (-26) . . 2014 AMC 12B Problems/Problem 21
- 22:37, 20 February 2014 (diff | hist) . . (-26) . . 2014 AMC 12B Problems/Problem 16
- 22:37, 20 February 2014 (diff | hist) . . (-26) . . 2014 AMC 12B Problems/Problem 15
- 22:37, 20 February 2014 (diff | hist) . . (-26) . . 2014 AMC 12B Problems/Problem 13
- 22:36, 20 February 2014 (diff | hist) . . (-26) . . 2014 AMC 12B Problems/Problem 10
- 22:36, 20 February 2014 (diff | hist) . . (-26) . . 2014 AMC 12B Problems/Problem 9
- 22:36, 20 February 2014 (diff | hist) . . (-26) . . 2014 AMC 12B Problems/Problem 8
- 22:36, 20 February 2014 (diff | hist) . . (-24) . . 2014 AMC 12B Problems/Problem 7
- 22:36, 20 February 2014 (diff | hist) . . (-26) . . 2014 AMC 12B Problems/Problem 6
- 22:35, 20 February 2014 (diff | hist) . . (-26) . . 2014 AMC 12B Problems/Problem 5
- 22:35, 20 February 2014 (diff | hist) . . (-26) . . 2014 AMC 12B Problems/Problem 4
- 22:34, 20 February 2014 (diff | hist) . . (-26) . . 2014 AMC 12B Problems/Problem 3
- 22:34, 20 February 2014 (diff | hist) . . (-27) . . 2014 AMC 12B Problems/Problem 2
- 22:30, 20 February 2014 (diff | hist) . . (+1,334) . . N 2014 AMC 12B Problems/Problem 21 (Created page with "==Problem== In the figure, <math>ABCD</math> is a square of side length 1. The rectangles <math>JKHG</math> and <math>EBCF</math> are congruent. What is <math>BE</math> ? -In...")
- 21:58, 20 February 2014 (diff | hist) . . (+2) . . 2014 AMC 12B Problems (→Problem 24)
- 21:58, 20 February 2014 (diff | hist) . . (+483) . . 2014 AMC 12B Problems (→Problem 24)
- 20:29, 20 February 2014 (diff | hist) . . (+1,382) . . N 2014 AMC 12B Problems/Problem 23 (Created page with "==Problem== The number 2017 is prime. Let <math>S = \sum \limits_{k=0}^{62} \dbinom{2014}{k}</math>. What is the remainder when <math>S</math> is divided by 2017? <math>\text...")
- 19:57, 20 February 2014 (diff | hist) . . (+284) . . 2014 AMC 12B Problems (→Problem 23)
- 19:52, 20 February 2014 (diff | hist) . . (+774) . . 2014 AMC 12B Problems (→Problem 22)
- 19:46, 20 February 2014 (diff | hist) . . (+314) . . 2014 AMC 12B Problems/Problem 20
- 19:44, 20 February 2014 (diff | hist) . . (+253) . . 2014 AMC 12B Problems (→Problem 20)
- 19:40, 20 February 2014 (diff | hist) . . (+1) . . 2014 AMC 12B Problems (→Problem 18)
- 19:39, 20 February 2014 (diff | hist) . . (+13) . . 2014 AMC 12B Problems (→Problem 18)
- 19:39, 20 February 2014 (diff | hist) . . (+390) . . 2014 AMC 12B Problems (→Problem 18)
- 19:35, 20 February 2014 (diff | hist) . . (+987) . . N 2014 AMC 12B Problems/Problem 16 (Created page with "==Problem== Let <math>P</math> be a cubic polynomial with <math>P(0) = k</math>, <math>P(1) = 2k</math>, and <math>P(-1) = 3k</math>. What is <math>P(2) + P(-2)</math> ? <math...")
- 19:27, 20 February 2014 (diff | hist) . . (+1) . . 2014 AMC 12B Problems (→Problem 15)
- 19:27, 20 February 2014 (diff | hist) . . (+281) . . 2014 AMC 12B Problems (→Problem 16)
- 19:25, 20 February 2014 (diff | hist) . . (+1,293) . . N 2014 AMC 12B Problems/Problem 17 (Created page with "==Problem 17== Let <math>P</math> be the parabola with equation <math>y=x^2</math> and let <math>Q = (20, 14)</math>. There are real numbers <math>r</math> and <math>s</math> su...")
- 19:16, 20 February 2014 (diff | hist) . . (+2) . . 2014 AMC 12B Problems (→Problem 17)
- 19:15, 20 February 2014 (diff | hist) . . (+119) . . 2014 AMC 12B Problems (→Problem 17)
- 19:14, 20 February 2014 (diff | hist) . . (+1,158) . . N 2014 AMC 12B Problems/Problem 15 (Created page with "==Problem== When <math>p = \sum\limits_{k=1}^{6} k \ln{k}</math>, the number <math>e^p</math> is an integer. What is the largest power of 2 that is a factor of <math>e^p</math>...")
- 19:03, 20 February 2014 (diff | hist) . . (+10) . . 2014 AMC 12B Problems (→Problem 15)
- 19:02, 20 February 2014 (diff | hist) . . (+132) . . 2014 AMC 12B Problems (→Problem 15)
- 19:01, 20 February 2014 (diff | hist) . . (+112) . . 2014 AMC 12B Problems (→Problem 15)
- 19:00, 20 February 2014 (diff | hist) . . (+55) . . 2014 AMC 12B Problems (→Problem 15)
- 18:55, 20 February 2014 (diff | hist) . . (+1,198) . . N 2014 AMC 12B Problems/Problem 13 (Created page with "==Problem== Real numbers <math>a</math> and <math>b</math> are chosen with <math>1<a<b</math> such that no triangles with positive area has side lengths <math>1</math>, <math>a<...")
- 18:39, 20 February 2014 (diff | hist) . . (+950) . . N 2014 AMC 12B Problems/Problem 9 (Created page with "==Problem== Convex quadrilateral <math> ABCD </math> has <math> AB=3 </math>, <math> BC=4 </math>, <math> CD=13 </math>, <math> AD=12 </math>, and <math> \angle ABC=90^{\circ} <...")
- 18:33, 20 February 2014 (diff | hist) . . (+1,018) . . N 2014 AMC 12B Problems/Problem 8 (Created page with "==Problem== In the addition shown below <math> A </math>, <math> B </math>, <math> C </math>, and <math> D </math> are distinct digits. How many different values are possible fo...")
- 18:32, 20 February 2014 (diff | hist) . . (+2) . . 2014 AMC 12B Problems (→Problem 8)
- 18:20, 20 February 2014 (diff | hist) . . (+13) . . m 2014 AMC 12B Problems/Problem 25 (→Solution)
- 18:20, 20 February 2014 (diff | hist) . . (0) . . m 2014 AMC 12B Problems/Problem 25 (→Solution)
- 18:19, 20 February 2014 (diff | hist) . . (+2) . . m 2014 AMC 12B Problems/Problem 25 (→Solution)
- 18:17, 20 February 2014 (diff | hist) . . (+665) . . 2014 AMC 12B Problems/Problem 25 (→Solution)
- 18:11, 20 February 2014 (diff | hist) . . (+421) . . 2014 AMC 12B Problems/Problem 25 (→Solution)
- 18:04, 20 February 2014 (diff | hist) . . (+35) . . 2014 AMC 12B Problems/Problem 25 (→Solution)
- 18:03, 20 February 2014 (diff | hist) . . (+656) . . N 2014 AMC 12B Problems/Problem 25 (Created page with "==Problem== Find the sum of all the positive solutions of <math> 2\cos2x \left(\cos2x - \cos{\left( \frac{2014\pi^2}{x} \right) } \right) = \cos4x - 1</math> <math> \textbf{(A...")
- 17:58, 20 February 2014 (diff | hist) . . (+1,221) . . N 2014 AMC 12B Problems/Problem 10 (Created page with "==Problem== Danica drove her new car on a trip for a whole number of hours, averaging 55 miles per hour. At the beginning of the trip, <math>abc</math> miles was displayed on th...")
- 17:46, 20 February 2014 (diff | hist) . . (+801) . . N 2014 AMC 12B Problems/Problem 7 (Created page with "==Problem== For how many positive integers <math>n</math> is <math>\frac{n}{30-n}</math> also a positive integer? <math> \textbf{(A)}\ 4\qquad\textbf{(B)}\ 5\qquad\textbf{(C)}\...")
- 17:37, 20 February 2014 (diff | hist) . . (+1,314) . . N 2014 AMC 12B Problems/Problem 6 (Created page with "==Problem== Ed and Ann both have lemonade with their lunch. Ed orders the regular size. Ann gets the large lemonade, which is 50% more than the regular. After both consume <math...")
- 17:25, 20 February 2014 (diff | hist) . . (+26) . . 2014 AMC 12B Problems/Problem 5 (→Solution)
- 17:25, 20 February 2014 (diff | hist) . . (+2) . . 2014 AMC 12B Problems/Problem 4 (→Solution)
- 17:25, 20 February 2014 (diff | hist) . . (+2) . . 2014 AMC 12B Problems/Problem 3 (→Solution)
- 17:24, 20 February 2014 (diff | hist) . . (+2) . . 2014 AMC 12B Problems/Problem 2 (→Solution)
- 17:23, 20 February 2014 (diff | hist) . . (+1,276) . . N 2014 AMC 12B Problems/Problem 5 (Created page with "==Problem== Doug constructs a square window using <math> 8 </math> equal-size panes of glass, as shown. The ratio of the height to width for each pane is <math> 5 : 2 </math>, a...")
- 17:16, 20 February 2014 (diff | hist) . . (0) . . 2014 AMC 12B Problems/Problem 3 (→Solution)
- 17:15, 20 February 2014 (diff | hist) . . (+1) . . 2014 AMC 12B Problems/Problem 2 (→Solution)
- 17:15, 20 February 2014 (diff | hist) . . (+1) . . 2014 AMC 12B Problems/Problem 2 (→Solution)
- 17:14, 20 February 2014 (diff | hist) . . (-7) . . 2014 AMC 12B Problems/Problem 1 (→Solution)
- 17:13, 20 February 2014 (diff | hist) . . (+776) . . N 2014 AMC 12B Problems/Problem 4 (Created page with "==Problem== Susie pays for <math> 4 </math> muffins and <math> 3 </math> bananas. Calvin spends twice as much paying for <math> 2 </math> muffins and <math> 16 </math> bananas. ...")
- 17:06, 20 February 2014 (diff | hist) . . (+808) . . N 2014 AMC 12B Problems/Problem 3 (Created page with "==Problem== Randy drove the first third of his trip on a gravel road, the next <math> 20 </math> miles on pavement, and the remaining one-fifth on a dirt road. In miles, how lon...")
- 17:00, 20 February 2014 (diff | hist) . . (+1,024) . . N 2014 AMC 12B Problems/Problem 2 (Created page with "==Problem== Orvin went to the store with just enough money to buy <math> 30 </math> balloons. When he arrived he discovered that the store had a special sale on balloons: buy <m...")
- 16:52, 20 February 2014 (diff | hist) . . (-1) . . 2014 AMC 12B Problems/Problem 1 (→Solution)
- 16:51, 20 February 2014 (diff | hist) . . (+2) . . 2014 AMC 12B Problems/Problem 1
- 16:51, 20 February 2014 (diff | hist) . . (+19) . . 2014 AMC 12B Problems/Problem 1 (→Solution)
- 16:49, 20 February 2014 (diff | hist) . . (+2) . . 2014 AMC 12B Problems/Problem 1
- 16:49, 20 February 2014 (diff | hist) . . (+1) . . 2014 AMC 12B Problems/Problem 1
- 16:49, 20 February 2014 (diff | hist) . . (+382) . . 2014 AMC 12B Problems/Problem 1
- 01:41, 17 February 2014 (diff | hist) . . (+422) . . 2014 AMC 10A Problems
- 00:43, 12 February 2014 (diff | hist) . . (+26) . . 2014 AMC 10A Problems/Problem 20 (→Solution)
- 00:30, 12 February 2014 (diff | hist) . . (+1,316) . . 2014 AMC 12A Problems/Problem 12
- 22:01, 4 April 2013 (diff | hist) . . (+7) . . 2013 AIME II Problems/Problem 7 (→Solution)