cheyannericheal cheyannericheal

13-09-2017
Mathematics

contestada

Two times the square of five more than a number is seventy-two. Write an equation that models this situation. Solve the equation.

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harikk101 harikk101

13-09-2017

2(5+x)² = 72
(5+x)² = 36
5+x = 6
x = 1

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