btsanddeekoshfan btsanddeekoshfan

08-08-2021
Mathematics

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y varies directly as x, if y=12 when x=5, find y when x=3

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wegnerkolmp2741o wegnerkolmp2741o

08-08-2021

Answer:

y = 36/5

Step-by-step explanation:

The formula for direct variation is

y = kx where k is a constant

We know y =12 and x= 5

12 = k*5

12/5 = k

The formula is

y = 12/5 x

Now find y = when x=3

y = 12/5 *3

y = 36/5

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