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3 years ago

Find the Value of x so that the ratios are equivalent.

Mathematics

1 answer:

guajiro [1.7K]3 years ago

7 0

x=45

9 x

12 60

x=9×60 divided by 12

9×60=540

540divided by 12=45

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Answer:

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Step-by-step explanation:

How is the circumference of a circle related to its radius?

$\displaystyle \text{Circumference} = \pi\times \text{Diameter} = \pi\;(2\times \text{Radius})$ .

In brief,

$\text{Circumference} = 2\pi\times \text{Radius}$ .

For this question,

$\text{Circumference} = 28\pi$ , and
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Divide both sides of the equation by $2\pi$ :

$\displaystyle \frac{\text{Circumference}}{2\pi} = \text{Radius}$ .

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