# User contributions

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- 00:13, 9 March 2011
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**(+770)** . . 2007 AIME I Problems/Problem 6 - 14:15, 6 March 2011 (diff | hist) . . (0) . . m 2011 AMC 12B Problems (→Problem 25)
- 14:15, 6 March 2011
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**(+830)** . . 2011 AMC 12B Problems (→Problem 25) - 14:10, 6 March 2011 (diff | hist) . . (+490) . . 2011 AMC 12B Problems (→Problem 24)
- 14:08, 6 March 2011
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**(+567)** . . 2011 AMC 12B Problems (→Problem 23) - 14:06, 6 March 2011
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**(+784)** . . 2011 AMC 12B Problems (→Problem 22) - 14:04, 6 March 2011 (diff | hist) . . (+433) . . 2011 AMC 12B Problems (→Problem 21)
- 14:02, 6 March 2011
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**(+636)** . . 2011 AMC 12B Problems (→Problem 20) - 13:59, 6 March 2011
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**(+604)** . . 2011 AMC 12B Problems (→Problem 19) - 13:57, 6 March 2011
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**(+544)** . . 2011 AMC 12B Problems (→Problem 18) - 13:56, 6 March 2011 (diff | hist) . . (+422) . . 2011 AMC 12B Problems (→Problem 17)
- 13:54, 6 March 2011
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**(+523)** . . 2011 AMC 12B Problems (→Problem 16) - 13:53, 6 March 2011 (diff | hist) . . (+2) . . 2011 AMC 12B Problems (→Problem 15)
- 13:52, 6 March 2011 (diff | hist) . . (+245) . . 2011 AMC 12B Problems (→Problem 15)
- 13:52, 6 March 2011 (diff | hist) . . (+495) . . 2011 AMC 12B Problems (→Problem 14)
- 13:50, 6 March 2011 (diff | hist) . . (+424) . . 2011 AMC 12B Problems (→Problem 13)
- 13:49, 6 March 2011 (diff | hist) . . (+497) . . 2011 AMC 12B Problems (→Problem 12)
- 22:47, 24 February 2011 (diff | hist) . . (+212) . . 2011 AMC 12A Problems/Problem 11
- 22:45, 24 February 2011 (diff | hist) . . (+13) . . 2011 AMC 12A Problems/Problem 11
- 22:44, 24 February 2011 (diff | hist) . . (+492) . . 2011 AMC 12A Problems/Problem 11
- 17:36, 25 December 2010
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**(-625)** . . 2010 AMC 12B Problems/Problem 24 - 17:36, 25 December 2010
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**(+625)** . . 2010 AMC 12B Problems/Problem 24 - 17:32, 12 July 2010 (diff | hist) . . (+17) . . 2010 AMC 12B Problems/Problem 25
- 17:31, 12 July 2010 (diff | hist) . . (+483) . . N 2010 AMC 12B Problems/Problem 25 (Created page with 'For every integer <math>n\ge2</math>, let <math>\text{pow}(n)</math> be the largest power of the largest prime tha divides <math>n</math>. For example <math>\text{pow}(144)=\text…')
- 17:31, 12 July 2010 (diff | hist) . . (+436) . . N 2010 AMC 12B Problems/Problem 24 (Created page with '== Problem 24 == The set of real numbers <math>x</math> for which <cmath>\dfrac{1}{x-2009}+\dfrac{1}{x-2010}+\dfrac{1}{x-2011}\ge1</cmath> is the union of intervals of the for…')
- 17:30, 12 July 2010 (diff | hist) . . (+494) . . N 2010 AMC 12B Problems/Problem 23 (Created page with ' == Problem 23 == Monic quadratic polynomial <math>P(x)</math> and <math>Q(x)</math> have the property that <math>P(Q(x))</math> has zeros at <math>x=-23, -21, -17,</math> and <m…')
- 17:24, 12 July 2010 (diff | hist) . . (-16) . . 2010 AMC 12B Problems/Problem 1
- 17:24, 12 July 2010 (diff | hist) . . (0) . . 2010 AMC 12B Problems/Problem 16
- 17:24, 12 July 2010 (diff | hist) . . (0) . . 2010 AMC 12B Problems/Problem 17
- 17:23, 12 July 2010 (diff | hist) . . (0) . . 2010 AMC 12B Problems/Problem 18
- 17:23, 12 July 2010 (diff | hist) . . (0) . . 2010 AMC 12B Problems/Problem 19
- 17:22, 12 July 2010 (diff | hist) . . (0) . . 2010 AMC 12B Problems/Problem 20
- 17:22, 12 July 2010 (diff | hist) . . (0) . . 2010 AMC 12B Problems/Problem 21
- 17:22, 12 July 2010
(diff | hist) . .
**(+542)** . . N 2010 AMC 12B Problems/Problem 22 (Created page with '== Problem 22 == Let <math>ABCD</math> be a cyclic quadralateral. The side lengths of <math>ABCD</math> are distinct integers less than <math>15</math> such that <math>BC\cdot CD…') - 17:21, 12 July 2010
(diff | hist) . .
**(+501)** . . N 2010 AMC 12B Problems/Problem 21 (Created page with '== Problem 21 == Let <math>a > 0</math>, and let <math>P(x)</math> be a polynomial with integer coefficients such that <center> <math>P(1) = P(3) = P(5) = P(7) = a</math>, and<b…') - 17:21, 12 July 2010 (diff | hist) . . (+443) . . N 2010 AMC 12B Problems/Problem 20 (Created page with '== Problem 20 == A geometric sequence <math>(a_n)</math> has <math>a_1=\sin x</math>, <math>a_2=\cos x</math>, and <math>a_3= \tan x</math> for some real number <math>x</math>. F…')
- 17:21, 12 July 2010
(diff | hist) . .
**(+761)** . . N 2010 AMC 12B Problems/Problem 19 (Created page with '== Problem 19 == A high school basketball game between the Raiders and Wildcats was tied at the end of the first quarter. The number of points scored by the Raiders in each of th…') - 17:20, 12 July 2010
(diff | hist) . .
**(+530)** . . N 2010 AMC 12B Problems/Problem 18 (Created page with '== Problem 18 == A frog makes <math>3</math> jumps, each exactly <math>1</math> meter long. The directions of the jumps are chosen independenly at random. What is the probability…') - 17:19, 12 July 2010 (diff | hist) . . (+446) . . N 2010 AMC 12B Problems/Problem 17 (Created page with '== Problem 17 == The entries in a <math>3 \times 3</math> array include all the digits from <math>1</math> through <math>9</math>, arranged so that the entries in every row and c…')
- 17:19, 12 July 2010
(diff | hist) . .
**(+544)** . . N 2010 AMC 12B Problems/Problem 16 (Created page with '== Problem 16 == Positive integers <math>a</math>, <math>b</math>, and <math>c</math> are randomly and independently selected with replacement from the set <math>\{1, 2, 3,\dots,…') - 17:19, 12 July 2010 (diff | hist) . . (+444) . . N 2010 AMC 12B Problems/Problem 15 (Created page with '== Problem 15 == For how many ordered triples <math>(x,y,z)</math> of nonnegative integers less than <math>20</math> are there exactly two distinct elements in the set <math>\{i^…')
- 17:18, 12 July 2010
(diff | hist) . .
**(+546)** . . N 2010 AMC 12B Problems/Problem 14 (Created page with '== Problem 14 == Let <math>a</math>, <math>b</math>, <math>c</math>, <math>d</math>, and <math>e</math> be postive integers with <math>a+b+c+d+e=2010</math> and let <math>M</math…') - 17:18, 12 July 2010 (diff | hist) . . (+421) . . N 2010 AMC 12B Problems/Problem 11 (Created page with '== Problem 11 == A palindrome between <math>1000</math> and <math>10,000</math> is chosen at random. What is the probability that it is divisible by <math>7</math>? <math>\textb…')
- 17:18, 12 July 2010 (diff | hist) . . (+412) . . N 2010 AMC 12B Problems/Problem 10 (Created page with '== Problem 10 == The average of the numbers <math>1, 2, 3,\cdots, 98, 99,</math> and <math>x</math> is <math>100x</math>. What is <math>x</math>? <math>\textbf{(A)}\ \dfrac{49}{…')
- 17:17, 12 July 2010 (diff | hist) . . (+452) . . N 2010 AMC 12B Problems/Problem 9 (Created page with '== Problem 9 == Let <math>n</math> be the smallest positive integer such that <math>n</math> id divisible by <math>20</math>, <math>n^2</math> is a perfect cube, and <math>n^3</m…')
- 17:17, 12 July 2010
(diff | hist) . .
**(+625)** . . N 2010 AMC 12B Problems/Problem 8 (Created page with '== Problem 8 == Every high school in the city of Euclid sent a team of <math>3</math> students to a math contest. Each participant in the contest received a different score. Andr…') - 17:16, 12 July 2010
(diff | hist) . .
**(+550)** . . N 2010 AMC 12B Problems/Problem 7 (Created page with '== Problem 7 == Shelby drives her scooter at a speed of <math>30</math> miles per hour if it is not raining, and <math>20</math> miles per hour if it is raining. Today she drove …') - 17:16, 12 July 2010 (diff | hist) . . (+373) . . N 2010 AMC 12B Problems/Problem 4 (Created page with '== Problem 4 == A month with <math>31</math> days has the same number of Mondays and Wednesdays.How many of the seven days of the week could be the first day of this month? <mat…')
- 18:53, 9 July 2010 (diff | hist) . . (+4) . . 2010 AMC 12B Problems/Problem 12
- 18:53, 9 July 2010 (diff | hist) . . (-14) . . 2010 AMC 12B Problems/Problem 12

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