Rewrite the following subtraction problem as an addition problem.
1 answer:
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If you are saying that the hypotenuse is 10 cm the you have to solve the following equation using the Pythagorean theory.
4^2 + b^2 = 10^2
16 + b^2 = 100
16 - 16 + b^2 = 100 - 16
b^2 = 84
Find
9, 2, -5... so is going down by 7 each time, meaning the "common difference" is -7.
