leslieeeeka
leslieeeeka
14-04-2017
Mathematics
contestada
The value of each variable
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scarrockminecr
scarrockminecr
14-04-2017
This is a simple Pythagorean Theorem problem. 7 is the hypotenuse so you would do c^2-a^2=b^2. In this case 7^2-2^2=b^2. 7^2 is 49 and 2^2 is 4 so you have 49-4=b^2. 49-4 is 45. The square root of 45 is 6.70. So x=6.70
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