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Chapter 7: Q.313 (page 719)

In the following exercises, solve.

If y varies directly as x and y=14, when x=3. find the equation that relates x and y.

Short Answer

Expert verified

The equation can be given asy=143x

Step by step solution

01

Given information

The value ofy=14whenx=3

02

We write the formula for direct variation

The direct variation can be given asy=kx

03

We substitute the values of x,y

We get,

14=k(3)14=3k

04

Solve and find the value of k

On solving we get,

14=3kk=143

05

Now we substitute the value of k in the original equation

We get,y=143x

06

Conclusion

The Equation can be given asy=143x

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