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sasho [114]
2 years ago
13

PLS HELP IF POSSIBLE ASAP

Mathematics
1 answer:
sladkih [1.3K]2 years ago
4 0

The value of y if x is equal to 5 is 75 and the value of y when x = 7 is 8/7

<h3>Direct and inverse variation</h3>

Variations shows the relationship between variables.

4) If y varies directly as x², hence;

y = kx²

27 = 9k
k = 3

In order to determine y if x = 5

y = 3(5*5)
Y = 75

Hence the value of y if x is equal to 5 is 75

5) If y varies inversely as x, hence;

y = k/x
k = xy
k = 16(1/2)

k = 8

If x = 7, the value of y will be;

y = 8/7

Hence the value of y when x = 7 is 8/7

Learn more on variation here: brainly.com/question/13998680

#SPJ1

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