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Answers by Calle

Answers by Calle
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The expression 40x^2 – 65x + 50 represents the sum of the interior angles of a regular pentagon in degrees. If the interior angles of the pentagon are equal, what expression represents the measure of two
answered Mar 6, 2017
3 votes
122k views
A bag contains 4 blue, 4 red, and 4 green marbles. Four marbles are drawn at random from the bag. How many different samples are possible which include exactly two red marbles?
answered Dec 13, 2015
3 votes
166k views
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