Suppose y varies with x. Write a direct variation equation that relates x and y. Then find the value of y when x=10
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Question
Suppose y varies with x. Write a direct variation equation that relates x and y. Then find the value of y when x=10
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Answer:
Step-by-step explanation:
A direct variation equation is of the form …
y = kx
for some constant k. We can arbitrarily choose k=1.5, so our equation is …
y = 1.5x
For x=10, the value of y is …
y = 1.5·10 = 15