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algol [13]
2 years ago
13

Need help ASAP pleaseee

Mathematics
1 answer:
s2008m [1.1K]2 years ago
6 0
It’s c I think hope you get a A
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2 years ago
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Water weighs 62.4 pounds per cubic foot. How much does the water in a tank that measures 7 ft × 4 ft × 9 in, weigh?
andriy [413]

Answer:

  • <u>1,310 lb</u>

Explanation:

<u>1) Calculate the volume of the water in the tank.</u>

  • Area of the base of the tank: B = 7 ft × 4 ft = 28 ft²
  • Height of the tank: H = 9 in = 9 in × 1 ft / 12 in = 0.75 ft
  • Volume of the tank: V = area of the base × height = B × H = 28 ft² × 0.75 ft = 21 ft³.

<u>2) Calculate the weight of 21 ft³ of water.</u>

Since this is not a chemistry question but a math question, I will not use the fomula of density but set a proportion with one unknown:

  • 62.4 lb / 1 ft³ = x / 21 ft³

Solve for x:

  • x = 21 ft³ × 64 lb / ft³ = 1,310.4 lb.

So, rounding to the next integer, the water in the tank weighs 1,310 pounds, when it is full.

6 0
3 years ago
Read 2 more answers
1. Which inequality is true?<br>A.6 π &gt; 18<br>B.6 π &lt; 18<br>C.6 π = 18<br>D.18 &gt; 6 π<br>​
lilavasa [31]

Answer:

a

Step-by-step explanation:

a is the answer ..........

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