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24 August, 04:08

Write a function that models each variation.

x = 1/3, y = 1/5, and r = 3 when z = 1/2, and z varies directly with x and inversely with the product of r² and y.

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  1. 24 August, 04:18
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    z = 2.7x/r²y

    Step-by-step explanation:

    z = kx/r²y

    ½ = k * ⅓ : (3² * ⅕)

    ½ = ⅓k * 5/9

    k = 27/10 = 2.7

    z = 27x/10r²y

    z = 2.7x/r²y
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