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Svetlanka [38]
3 years ago
14

Find the circumference of a circle with radius 280 mm. Use 22/7 for π

Mathematics
1 answer:
lara31 [8.8K]3 years ago
6 0

Answer:

1760 mm

Step-by-step explanation:

The circumference of a circle can be found using:

c=2πr

We know that the radius is 280. Therefore, we can substitute 280 in for r

c=2π280

We also know that we are using 22/7 for π, so we can substitute that in

c=2* 22/7 * 280

Multiply

c=560* 22/7

c=1760

So, the circumference is 1760 mm

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8 0
3 years ago
Read 2 more answers
Solve the system of equations given . -2x+5y=-3
algol13

For this case we have the following system of equations:

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Now we add the equations:

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THE solution is: (-6, -3)

Answer:

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4 years ago
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oksano4ka [1.4K]
The correct question is
<span>Peyton is a sprinter who can run the 40-yard dash in 4.5 seconds. He converts his speed into miles per hour, as shown below
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the picture in the attached figure

we know that
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</span>
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Step-by-step explanation:

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