mayakinseth2119 mayakinseth2119

26-09-2018
Mathematics

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If y varies inversely as x^2 and y=3 when x=18, what is y when x=13

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tramserran tramserran

26-09-2018

y*x² = k

(3)(18)² = k

972 = k

**************

y*x² = k

y(13)² = 972

169y = 972

y = [tex]\frac{972}{169}[/tex]

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