23-08-2017
Mathematics

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P is a right angle. If m p = 12x-9 what's x

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trishinada63 trishinada63

23-08-2017

The value of a right angle is 90°, equal 12x-9 to 90 to find x.
12x-9=90
Add 9 to both sides.
12x=99
Divide both sides by 12.
x=8.25

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