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eimsori [14]
3 years ago
5

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

Mathematics
1 answer:
melomori [17]3 years ago
6 0

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 = \frac{y}{x} = \frac{81}{27} = 3

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