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1 November, 22:31

Find x if:

1. 125x^3=b^9

2.16x2=1

+2
Answers (1)
  1. 1 November, 22:44
    0
    1 x^3 = b^9 / 125

    x = b^3 / 5

    2. x^2 = 1 / 2.16

    x = sqrt 1/2.16

    x = + / - 0.68 to nearest hundredth
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