User contributions
- 20:36, 30 September 2020 (diff | hist) . . (+1,175) . . 2016 AMC 8 Problems/Problem 25
- 02:03, 25 February 2010 (diff | hist) . . (+507) . . 2010 AMC 12A Problems/Problem 9
- 20:45, 24 February 2010 (diff | hist) . . (-11) . . m 2010 AMC 12A Problems/Problem 18
- 18:15, 12 February 2010 (diff | hist) . . (+1,031) . . N 2010 AMC 12A Problems/Problem 8 (Created page with '== Problem 8 == Triangle <math>ABC</math> has <math>AB=2 \cdot AC</math>. Let <math>D</math> and <math>E</math> be on <math>\overline{AB}</math> and <math>\overline{BC}</math>, r…')
- 17:45, 12 February 2010 (diff | hist) . . (+3,731) . . N 2010 AMC 12A Problems/Problem 25 (Created page with '== Problem 25 == Two quadrilaterals are considered the same if one can be obtained from the other by a rotation and a translation. How many different convex cyclic quadrilaterals…')
- 16:36, 12 February 2010 (diff | hist) . . (+1,204) . . N 2010 AMC 12A Problems/Problem 22 (Created page with '== Problem 22 == What is the minimum value of <math>\left|x-1\right| + \left|2x-1\right| + \left|3x-1\right| + \cdots + \left|119x - 1 \right|</math>? <math>\textbf{(A)}\ 49 \qq…')
- 15:47, 12 February 2010 (diff | hist) . . (+2,212) . . N 2010 AMC 12A Problems/Problem 24 (Created page with '== Problem 24 == Let <math>f(x) = \log_{10} \left(\sin(\pi x) \cdot \sin(2 \pi x) \cdot \sin (3 \pi x) \cdots \sin(8 \pi x)\right)</math>. The intersection of the domain of <math…')
- 16:42, 11 February 2010 (diff | hist) . . (-17) . . m 2010 AMC 12A Problems/Problem 17 (→Solution)
- 16:25, 11 February 2010 (diff | hist) . . (+13) . . m 2010 AMC 12A Problems/Problem 15 (→Solution)
- 12:25, 11 February 2010 (diff | hist) . . (+242) . . 2010 AMC 12A Problems/Problem 3 (→Problem 3)
- 12:15, 11 February 2010 (diff | hist) . . (+740) . . N 2010 AMC 12A Problems/Problem 10 (Created page with '== Problem 10 == The first four terms of an arithmetic sequence are <math>p</math>, <math>9</math>, <math>3p-q</math>, and <math>3p+q</math>. What is the <math>2010^\text{th}</ma…')
- 20:47, 10 February 2010 (diff | hist) . . (+28) . . m 2010 AMC 12A Problems/Problem 19 (→Solution)
- 20:41, 10 February 2010 (diff | hist) . . (+1,536) . . N 2010 AMC 12A Problems/Problem 20 (Created page with '== Problem 20 == Arithmetic sequences <math>\left(a_n\right)</math> and <math>\left(b_n\right)</math> have integer terms with <math>a_1=b_1=1<a_2 \le b_2</math> and <math>a_n b_n…')
- 20:17, 10 February 2010 (diff | hist) . . (+906) . . N 2010 AMC 12A Problems/Problem 5 (Created page with '== Problem 5 == Halfway through a 100-shot archery tournament, Chelsea leads by 50 points. For each shot a bullseye scores 10 points, with other possible scores being 8, 4, 2, an…')
- 20:09, 10 February 2010 (diff | hist) . . (+105) . . m 2010 AMC 12A Problems/Problem 13 (→Solution)
- 20:08, 10 February 2010 (diff | hist) . . (+1,504) . . N 2010 AMC 12A Problems/Problem 13 (Created page with '== Problem 13 == For how many integer values of <math>k</math> do the graphs of <math>x^2+y^2=k^2</math> and <math>xy = k</math> not intersect? <math>\textbf{(A)}\ 0 \qquad \tex…')
- 19:41, 10 February 2010 (diff | hist) . . (+6) . . m 2010 AMC 12A Problems/Problem 9 (→Solution)
- 19:40, 10 February 2010 (diff | hist) . . (+2,078) . . N 2010 AMC 12A Problems/Problem 16 (Created page with '== Problem 16 == Bernardo randomly picks 3 distinct numbers from the set <math>\{1,2,3,4,5,6,7,8,9\}</math> and arranges them in descending order to form a 3-digit number. Silvia…')
- 16:55, 10 February 2010 (diff | hist) . . (+1,744) . . N 2010 AMC 12A Problems/Problem 12 (Created page with '== Problem 12 == In a magical swamp there are two species of talking amphibians: toads, whose statements are always true, and frogs, whose statements are always false. Four amphi…')
- 16:44, 10 February 2010 (diff | hist) . . (+792) . . N 2010 AMC 12A Problems/Problem 9 (Created page with '== Problem 9 == A solid cube has side length 3 inches. A 2-inch by 2-inch square hole is cut into the center of each face. The edges of each cut are parallel to the edges of the …')
- 16:34, 10 February 2010 (diff | hist) . . (+865) . . N 2010 AMC 12A Problems/Problem 6 (Created page with '== Problem 6 == A <math>\texti{palindrome}</math>, such as 83438, is a number that remains the same when its digits are reversed. The numbers <math>x</math> and <math>x+32</math>…')
- 16:30, 10 February 2010 (diff | hist) . . (+477) . . 2010 AMC 12A Problems/Problem 4 (→Problem 4)
- 16:16, 10 February 2010 (diff | hist) . . (+225) . . 2010 AMC 12A Problems/Problem 2
- 16:10, 10 February 2010 (diff | hist) . . (+1,281) . . N 2010 AMC 12A Problems/Problem 19 (Created page with '== Problem 19 == Each of 2010 boxes in a line contains a single red marble, and for <math>1 \le k \le 2010</math>, the box in the <math>k\text{th}</math> position also contains <…')
- 15:52, 10 February 2010 (diff | hist) . . (+1,316) . . N 2010 AMC 12A Problems/Problem 18 (Created page with '== Problem 18 == A 16-step path is to go from <math>(-4,-4)</math> to <math>(4,4)</math> with each step increasing either the <math>x</math>-coordinate or the <math>y</math>-coor…')
- 15:36, 10 February 2010 (diff | hist) . . (+1,349) . . N 2010 AMC 12A Problems/Problem 15 (Created page with '== Problem 15 == A coin is altered so that the probability that it lands on heads is less than <math>\frac{1}{2}</math> and when the coin is flipped four times, the probaiblity o…')
- 15:09, 10 February 2010 (diff | hist) . . (+1,935) . . N 2010 AMC 12A Problems/Problem 21 (Created page with '== Problem 21 == The graph of <math>y=x^6-10x^5+29x^4-4x^3+ax^2</math> lies above the line <math>y=bx+c</math> except at three values of <math>x</math>, where the graph and the l…')
- 14:37, 10 February 2010 (diff | hist) . . (+66) . . 2010 AMC 12A Problems/Problem 1
