manahil1139 manahil1139

03-06-2021
Mathematics

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if y is inversely proportional to x and y =5 when x = 2 find the value of y when x = 8

if y is inversely proportional to x and y 5 when x 2 find the value of y when x 8 class=

Respuesta :

mathmate mathmate

03-06-2021

Answer:

y = 10/8 = 1.125 or 1 1/4

Step-by-step explanation:

Inverse proportion means

xy = a constant.

In this case, the constant is given by the example,

x = 2 when y=5, so

xy=10

when x = 8, then

y = 10/8 = 1.125 or 1 1/4

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