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shutvik [7]
3 years ago
14

Do 15638•1=what help me please I need help

Mathematics
1 answer:
Ilya [14]3 years ago
5 0
Hello there!

Any number that you multiply by 1 will equal the same thing.

For example: 2 * 1 = 2
                    9 * 1 = 9
Any number times 1 will equal the same number.

15638 * 1 = 15638

I hope this helps!
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A water tank in the shape of an inverted circular cone has a base radius of 3 m and height of 7 m . If water is being pumped int
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The water level increases by 0.608 meters per minute when the water is 3.5 m deep

<h3>How to determine the rate?</h3>

The given parameters are:

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The relationship between the radius and height is:

r/h = 3/7

Make r the subject

r = 3h/7

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This gives

V = \frac 13\pi (\frac{3h}{7})^2h

Expand

V =  \frac{3h^3}{49}\pi

Differentiate

V' = \frac{9h^2}{49}\pi h'

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h' = \frac{49}{9\pi h^2}V'

When the water level is 3.5.

We have:

h' = \frac{49}{9\pi * 3.5^2}V'

Also, we have:

V' = 4.3

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h' = \frac{49}{9\pi * 3.5^2} * 4.3

Evaluate the products

h' = \frac{210.7}{346.36}

Evaluate the quotient

h' = 0.608

Hence, the water level increases by 0.608 meters per minute

Read more about volumes at:

brainly.com/question/10373132

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Answer:

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