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24 September, 16:48

Given 16 = - 5 + z4 solve for z a. 59 b.-1 c. 9 d. 69

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  1. 24 September, 17:08
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    In the question 16 = - 5 + z∧4, z is the only unknown value. It can be solve as follows,

    16 = - 5 + z ∧4

    z∧4 = 16+5

    z∧4 = 21

    Find the 4th root on both side of the equation,

    z = the 4th root of 21

    = 2.140695143

    To the nearest tenth, z = 2.1
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