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Aneli [31]
3 years ago
7

How many quarts of pure antifreeze must be added to 5 quarts of a 10 ​% antifreeze solution to obtain a 20 ​% antifreeze​ soluti

on?
Mathematics
1 answer:
Black_prince [1.1K]3 years ago
4 0
Hey let’s be friends
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Answer & Step-by-step explanation:

Circumference=d\pi \\Area=r^2\pi

The diameter of the circle is 8 m and the radius of the circle is 4 units. So, now we have to plug in the numbers so we can find the circumference and the area of the circle.

Circumference=(8)\pi

Circumference=25.12

So, the circumference of the circle is 25.12 m.

Area=(4)^2\pi

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Area=50.24

So, the area of the circle is 50.24 units².

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