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# Math Exam review

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I've been studying for my math exam but on my review there are questions that says "Solve for each variable" one of the questions is c squared = 22 squared + 13 squared. any help would be greatly appreciated. also if you could put how you got the answer it would help me out alot!

Guest Jun 7, 2017
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$$c^2 = 22^2+13^2\\ c^2=653\\ c=\pm\sqrt{653}$$

MaxWong  Jun 7, 2017
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Would i square root 653 or is 653 my final answer?

Guest Jun 7, 2017
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You write c = square root 653 or - square root 653 for that.

MaxWong  Jun 7, 2017