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April 20, 2014

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Number of results: 6

matj
17/30 = 0.5666 = 56.7%
Tuesday, October 2, 2012 at 11:30pm by Ms. Sue

matj
prove that (cotx+tanx)(cotx-tanx) = 1/(sin^2 x) - 1/(cos^x)
Monday, January 23, 2012 at 10:01am by Amir

matj
The difference of two numbers is 12. Two fifths of the greater number is six more than one-third of the lesser number. Find both numbers.
Friday, October 1, 2010 at 4:27pm by evelyn

matj
in a class there are 17 right handed students and 3 left handed students, what percent of the class is right handed?
Tuesday, October 2, 2012 at 11:30pm by Anonymous

matj
cot^2 - tan^2 cos^2/sin^2 - sin^2/cos^2 (1 - sin^2)/sin^2 - (1-cos^2)/cos^2 1/sin^2 - 1 - 1/cos^2 + 1 1/sin^2 - 1/cos^2
Monday, January 23, 2012 at 10:01am by Damon

matj
x - y = 12, 2x/5 = y/3 + 6, Multiply both sides by 15, the common denominator: 6x = 5y + 90, 6x - 5y = 90, Multiply both sides of 1st Eq by -6 and add the 2 Eqs: x - y = 12 6x - 5y = 90 -6x + 6y = -72 6x - 5y = 90 y = 18, Substitute 18 for y in the 1st Eq: x - 18 = 12, x = 30...
Friday, October 1, 2010 at 4:27pm by Henry

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