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Mathematics, 03.02.2020 21:58 naruto63

Zvaries directly with x and inversely with y. when x = 6 and y = 2, z = 15. what is the value of z when x = 4 and y = 9?

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Zvaries directly with x and inversely with y. when x = 6 and y = 2, z = 15. what is the value of z w...
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