Suppose that x and y vary inversely and that y = 5 when x = 1. What is y when x = 15?

Question

Mathematics

Lloyd

9 March, 07:46

Suppose that x and y vary inversely and that y = 5 when x = 1. What is y when x = 15?

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Answers (1)

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Jaylyn Parker · Answer 1

Y=1/3

Step-by-step explanation:

X=k/y

So let's make k the subject of formula

k=xy

x=1, y=5

So let's substitute

k=1*5

k=5

So we are to determine the value for y when x is 15

So let's solve

Y=k/x

Y=5/15

Y=1/3

Y=0.333333~0.3