lisapavilionis1 lisapavilionis1

09-03-2018
Mathematics

contestada

1. What is the value of x? Show all of your work.

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cligon768 cligon768

09-03-2018

Pythagorean Theorem: A^2 + B^2 = C^2
We know A and C, let's find B by doing it backwards

C^2 - A^2 = B^2
4^2 - 7 (square root of 7 squared is just 7) = B^2
16 - 7 = B^2
9 = B^2

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