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Brums [2.3K]
2 years ago
6

A

Mathematics
1 answer:
eimsori [14]2 years ago
5 0

Answer: 3817.1 or 1215pi

Step-by-step explanation:

Volume = πr2h

= π×92×15

=1215π

= 3817.0350741116

You might be interested in
From the parking lot at red hill shopping center the angle of the top of the hill is about 25 from the base of the hill the angl
eimsori [14]

Answer:

512 ft.

Step-by-step explanation:

From the parking lot at the Red Hill Shopping Center, the angle of sight (elevation) to the top of the hill is about 25. From the base of the hill you can also sight the top but at an angle of 55. The horizontal distance between sightings is 740 feet. How high is Red Hill? Show your subproblems.

Solution:

Let x be the distance from the base of the hill to the middle of the hill perpendicular to the height, let h be the height of the hill. Therefore:

tan 25 = h/(x + 740)

h = (x + 740)tan 25       (1)

tan 55 = h / x

h = x tan 55        (2)

Hence:

(x + 740)tan 25 = xtan 55

0.4663(x + 740) = 1.428x

0.4663x + 345.07 = 1.428x

0.9617x = 345.07

x = 359 ft.

h = xtan55 = 359 tan(55) = 512 ft.

8 0
2 years ago
1. Twelve years ago, your grandma put money into a savings account for you that earns 7.5% interest annually and is
dedylja [7]

Answer:

23,817$

Step-by-step explanation:

And you will have earned 13,817 in interest.

4 0
3 years ago
This is my last question please help ​
Nina [5.8K]

Answer:

N

Step-by-step explanation:

I hope this helps!!

6 0
3 years ago
Which algebraic expression represents the phrase “the quotient of negative eight and the sum of a number and three”?
morpeh [17]

Answer:

The answer is A. \frac{-8}{g+3}

Step-by-step explanation:

8 0
3 years ago
I don't understand how to find the quotient of 3/4 and 5/6.
Alex Ar [27]
Divide the numerator with the denominator for each, and that's all really... Good luck!!
4 0
3 years ago
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