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KATRIN_1 [288]
3 years ago
6

Mike discovered that the pool in his backyard is leaking slowly. The pool holds 15,434 gallons of water, and is leaking at a rat

e of 20 gallons per day. If Mike does not replace the water that has leaked from the pool, how many gallons of water will remain in the pool after 122 days?
Mathematics
1 answer:
Usimov [2.4K]3 years ago
7 0

Answer:

12, 994 gallons

Step-by-step explanation:

20(122) = 2440

15434 - 2440 = 12, 994

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Answer:

Rory rode 1.55 miles each day

Step-by-step explanation:

7.75 divided by 5

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2 years ago
Mason, a hardwood flooring installer, needs to calculate the amount of hardwood flooring needed to cover a floor that's 33⁄4 yar
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Answer:

20 5/8 yd^2

Step-by-step explanation:

width = 3 3/4 yd

length = 5 1/2 yd

First change both measurements to fractions.

3 3/4 = 3 + 3/4 = 12/4 + 3/4 = 15/4

5 1/2 = 5 + 1/2 = 10/2 + 1/2 = 11/2

area = length * width

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area = (15 * 11)/(4 * 2) yd^2

area = 165/8 yd^2

165/8 = 20 remainder 5

area = 20 5/8 yd^2

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3 years ago
The scale of a model airplane is 1:72. If the wingspan on the model airplane is 7.5 inches, then the wingspan of the actual airp
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Answer:

45 feet

Step-by-step explanation:

Use ratios:

\frac{1}{72}= \frac{7.5}{x}

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6 0
2 years ago
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A prism with a triangular base has a volume of 432 cubic feet. The height of the prism is 8
Rashid [163]

Answer:

9 feet

Step-by-step explanation:

Given:

A prism with a triangular base has a volume of 432 cubic feet.

The height of the prism is 8.

The triangle base has a base of 12 feet.

Question asked:

The height of the triangular base of the prism = ?

solution:

Volume of  triangular prism = Area of triangle \times height

432 = Area of triangle \times8

Dividing both side by 8

54 = Area of triangle

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54 = \frac{1}{2} \times12\times height\\54 = \frac{12}{2} \times height

Multiplying both side by 2

108 = 12 \times height

Dividing both side by 12

9 = height

Thus, height of the triangular base of the prism is 9

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2 years ago
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ikadub [295]

Answer:

-3

Step-by-step explanation:

-7 + 4 = -3

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3 years ago
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