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HELP PLEASE!!!!!!

For the data in the table, does y vary directly with x? If it does, right and equation for the direct variation.

X: 4.5, 7.5, 10.5
Y: 3, 5, 7

Does y vary directly with x?


Write an equation for the direct variation:​

User JimB
by
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1 Answer

3 votes

ANSWER

13.5

Step-by-step explanation

It was given that, y varies directly as x.

Therefore, the variation equation is of the form:

If y is 4.5 when x is 3, then we can substitute to find the constant of variation.

Divide both sides by 3;

Hence the equation becomes:

When x=9,

User Junbang Huang
by
3.5k points