cheyannericheal
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 harikk101
  • 13-09-2017
2(5+x)² = 72
(5+x)² = 36
5+x = 6
x = 1
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