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Vlad1618 [11]
3 years ago
8

A soft drink company wants to increase the volume of the cylindrical can they sell soft drinks in by 25%. The company wants to k

eep the 5-inch height of the can the same. The radius of the can is currently 2.5 inches. Approximately how much should the radius of the can be increased
Mathematics
2 answers:
almond37 [142]3 years ago
6 0

Answer:

https://slideplayer.com/slide/14286858/ copy paste the link it has a bunch of the answers but sadly no work on it.

Step-by-step explanation:

Vlada [557]3 years ago
3 0

Answer:

The radius should be increased by 0.295 inches.

Step-by-step explanation:

Volume of a cylinder:

In a cylinder, in which the base has radius r, and the height is h, the volume is given by:

V = \pi r^{2}h

In this question:

5 inch height, radius of 2.5 inches. So the volume is given by:

V = \pi (2.5)^2(5) = 31.25\pi

We want to increase the volume by 25%.

So, the new volume is given by:

1.25*31.25\pi = 39.0625\pi

With this volume, keeping the height, the radius should be of:

V = \pi r^{2}h

39.0625\pi = 5\pi r^{2}

r^{2} = \frac{39.0625}{5}

r^{2} = 7.8125

r = \sqrt{7.8125}

r = 2.795

The radius should be of 2.795 inches, which is an increase of 2.795 - 2.5 = 0.295 inches.

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