mathcounts notes
The best math program for middle school students
Thursday, January 23, 2014
Three Pole Problems : Similar triangles
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Question: If you know the length of x and y, and the whole length of \(\overline {AB}\) , A: what is the ratio of a to b and B: ...
Monday, January 6, 2014
2014 Mathcounts State/National/AMC Prep : More Counting and Probability Problems from Mathcounts Mini / AoPS
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From Mathcounts Mini : Video tutorials on counting and probability for Mathcounts state prep Counting the Number of Subsets of a Set Con...
Thursday, December 12, 2013
2014 Mathcounts State Prep : Folding Paper Questions
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Folding paper questions are not too bad so here are two examples: Question #1: The two side lengths of rectangle ABCD is "a"...
Tuesday, December 10, 2013
Answer to one mathleague quesiton from AoPS
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Question is here. You have two congruent triangles. 17-same angle and- x (SAS) Using distance formula, the two green lines are of the s...
Thursday, December 5, 2013
Sum and Product of roots : Vieta -- > Questions from 2010-2011 Mathcounts Super Stretch
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Questions: (detailed solutions below) #1 : What is the sum of the solutions of 6x 2 + 5x - 4 = 0 ? Express your answer as a common fracti...
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