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devlian [24]
3 years ago
5

the density of a certain material is such that weighs 6900 grams for every 4.5 quarts of volume express this density in pounds p

ounds per cubic foot
Mathematics
1 answer:
dlinn [17]3 years ago
3 0

Answer:

d=101.4\ \text{pounds}/\text{feet}^3

Step-by-step explanation:

Given that,

Mass of material, m = 6900 grams

Volume of the material, V = 4.5 quarts

We need to find the density in pounds per cubic foot

We know that,

1 pound = 453.59 grams

⇒ 6900 grams = 15.21 pounds

Also, 1 cubic foot = 29.92 quarts

4.5 quart = 0.15 feet³

Density = mass/volume

Or

d=\dfrac{15.21\ \text{pounds}}{0.15\ \text{feet}^3}\\\\d=101.4\ \text{pounds}/\text{feet}^3

Hence, the density of the material is 101.4\ \text{pounds}/\text{feet}^3

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Answer:

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3 years ago
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3 years ago
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10 points!!!
pogonyaev
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Answer:


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