khadejab2022 khadejab2022

16-06-2021
Mathematics

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If y varies directly as x, and x=9 when y =15, find the value of y when x=33

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wegnerkolmp2741o wegnerkolmp2741o

16-06-2021

Answer:

y = 55

Step-by-step explanation:

Direct variation is

y = kx where k is a constant

15 = k*9

15/9 =k

5/3 = k

The equation is y = 5/3 x

Let x = 33

y = 5/3 * 33

y = 55

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