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Mathematics 13 Online
OpenStudy (anonymous):

The measures of a pair of complementary angles must sum to 90o . If the angle measures are 3x and 2x -50, what is the value for x? A. 50 B. 28 C. 90 D. 35

OpenStudy (confluxepic):

3x+2x-50=90 Add 50 on both sides. 3x+2x=140. Add the variables. 5x=140 Divide by 5 on both sides. x=28

OpenStudy (confluxepic):

It is B.

OpenStudy (anonymous):

wow. thank you so much!

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