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Mathematics 12 Online
OpenStudy (anonymous):

6. find m b a) 11 b) 37 c) 53 d) 90

OpenStudy (anonymous):

jimthompson5910 (jim_thompson5910):

Angle B and angle C are complementary angles. They add up to 90 degrees B+C = 90 (2x+15)+(5x-2) = 90 2x+15+5x-2 = 90 7x+13 = 90 solve for x. Then use this value of x to find B

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