spookymod4009 spookymod4009

11-11-2017
Mathematics

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If y varies inversely as x and y 27 when x 40 find y when x 10

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dannielle dannielle

14-11-2017

when y varies inversely as x ⇒ y*x=k

y=27 and x=40 ⇒27*40=1080=k

y*10=1080
y=1080:10
y=108

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