Concept explainers
Suppose y varies directly with
Write a direct variation equation that relates
Then find the value of
when
when
To write a direct variation equation and then to find value of y when
Answer to Problem 11P
The equation of variation is
Value of y is 16 when
Explanation of Solution
Given information:
Direct variation means when the given variables always have the same ratio. That is
Hence we can write given condition as,
Now we shall put
Hence the equation of variation is
Value of y is 16 when
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