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Over [174]
3 years ago
7

Question 13. thank You so much

Mathematics
1 answer:
Cloud [144]3 years ago
4 0
First thing we need is the volume of the fish tank. We simply multiply the three dimensions to get

V = L*W*H
V = 2.5*1*1.5
V = 3.75

The fish tank can hold 3.75 cubic feet of water if its completely full

-------------------------

We are told that "one cubic foot of water weighs about 62.4 pounds". 

So we have this ratio
1 cubic foot of water: 62.4 pounds

Multiply both sides of that ratio by 3.75 which was the volume of the fishtank

1 cubic foot of water: 62.4 pounds
3.75*1 cubic foot of water: 3.75*62.4 pounds
3.75 cubic feet of water: 234 pounds

The fishtank can hold 234 pounds of water

note: this is assuming that the walls are strong enough to withstand the pressure/weight of water without cracking or breaking

Answer: 234 pounds

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kodGreya [7K]

This question is incomplete, the complete question is;

Nine pieces of 8-in. × 12-in. duct that is 2\frac{2}{3} ft in length is needed for a building. What is the total length (in ft) needed?

Answer:

the total length needed is 24 ft

Step-by-step explanation:  

Given the data in the question;

the length of one piece of 8-in. × 12-in. duct is 2\frac{2}{3} ft

Now to find the total length for nine pieces of the duct;

we simple multiply 2\frac{2}{3} ft  by nine

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Total length = 24 ft

Therefore, the total length needed is 24 ft

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Step-by-step explanation:

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2 years ago
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Answer:

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Step-by-step explanation:

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