losnietos82 losnietos82

19-01-2020
Mathematics

contestada

Y is directly related to X, and Y is 81 when X is 27. The constant of variation is a0.

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jimrgrant1 jimrgrant1

19-01-2020

Answer:

3

Step-by-step explanation:

Since y is directly related to x then the equation relating them is

y = kx ← k is the constant of variation

To find k use the condition y = 81 when x = 27

k = [tex]\frac{y}{x}[/tex] = [tex]\frac{81}{27}[/tex] = 3

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