Find the circumference of the circle radius is 13

Mathematics

1 answer:

Lelu [443]3 years ago

4 0

I hope this helps you

circumference= pi.r^2

circumference = 3,14.13^2

circumference = 3,14.169

circumference = 530,66

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Which expression results from using the distributive property 2(5 + r)

Vinvika [58]

Using the distributive property we know we distribute by multiplying the outside values to those inside of the parentheses

outside values: 2

inside values: 5 and r

now multiply out inside values by the outside values

2x5 = 10

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now plug these values back in for the inside values and take away the outside value and the parentheses

so 2(5+r) using the distribution property is 10+2r

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3 years ago

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Whitepunk [10]

Answer:

32 hours.

Step-by-step explanation:

Let x represent the time taken by Russell and Aaron to build the shed.

We have been given that Russell and Aaron can build a shed in 8 hours when working together. Aaron works three times as fast as Russel.

Russell's work rate would be $\frac{1}{x}$ .