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7 October, 20:33

Solve for a. 5a2=320

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Answers (2)
  1. 7 October, 22:40
    0
    5a^2 = 320

    a^2 = 320 / 5 = 64

    a = sqrt 64

    a = 8, - 8
  2. 7 October, 23:50
    0
    The answer is 32 because you have to the inverse operation so you divide 320 by 2 you get 160. Then you divide 160 by 5a then you have a=32. To check you substitute: 5 (32) 2=320.
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