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Mrrafil [7]
3 years ago
7

A circle has a radius of 5 cm. If the area is tripled, what happens to the circumference? HELP ASAP PLEASE!!

Mathematics
1 answer:
pashok25 [27]3 years ago
4 0

Answer:

C.

Step-by-step explanation:

If the radius is 5, that means that from anywhere from the outside edge to the center is 5.

So, if you want to triple the area you have multiply the radius by 3, because a circle is not a oval, meaning that it is still the same all the way around.

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The pressure is 39 Pa if the volume is expanded to 168L and the pressure, P, of a gas varies inversely with its volume, V.

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It is defined as the relationship between two variables when the first variable increases, the second variable also increases according to the constant factor.

We have:

The pressure, P, of a gas varies inversely with its volume, V.

P ∝ 1/V

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If P = 126 Pa and V = 52 L

126 = k/52

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P = 6552/V

Plug V = 168 L

P = 6552/168 = 39 Pa

Thus, the pressure is 39 Pa if the volume is expanded to 168L and the pressure, P, of a gas varies inversely with its volume, V.

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