joyiceharris22 joyiceharris22

17-11-2016
Mathematics

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Assume y varies inversely with x. If y=9 when x=8, find the value of y when x=32
When x=32, y=___
(Type an integer or a decimal)

Respuesta :

nobillionaireNobley nobillionaireNobley

17-11-2016

For inverse variation, y = k/x
From the given, 9 = k/8
k = 9 * 8 = 72
Thus, y = 72/x

Therefore, when x = 32, y = 72/32 = 2.25
y = 2.25

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