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lisabon 2012 [21]
2 years ago
9

Literally putting this at 45 points. can someone help me please

Mathematics
1 answer:
sergiy2304 [10]2 years ago
4 0

Answer:

  • 15.4%

Step-by-step explanation:

<u>Volume of a cylinder:</u>

  • V = πr²h

<u>Container A</u>

  • r = 10 ft, h = 11 ft
  • V = π*10²*11 = 1100π ft

<u>Container B</u>

  • r = 7 ft, h = 19 ft
  • V = π*7²*19 = 931π ft²

<u>After pump out the container A has the level of:</u>

  • 1100π - 931π = 169π

<u>Level % in the container A:</u>

  • 169π/1100π×100% = 15.4% rounded to the nearest tenth
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