Valeriecompton
Valeriecompton Valeriecompton
  • 13-04-2018
  • Mathematics
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Find x when y=5 if y varies inversely as x and x=6 when y =-18

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blahblahmali blahblahmali
  • 13-04-2018
It has been given that y varies inversely with x, therefore the equation for this relationship is as follows;
y =[tex] \frac{k}{x} [/tex]\
when y = -18 and x = 6
-18 = k/ 6 ---1)
We need to find x when y = 5
 5 = k/x
when we divide 1)/2), k gets cancelled 

[tex] \frac{-18}{5}= \frac{x}{6} [/tex]
x = -18*6/5
x = -21.6
when y = 5, then x = -21.6
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