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Svetradugi [14.3K]
3 years ago
9

Tap A can fill 8 pails of the exact capacity in 5 minutes.

Mathematics
1 answer:
AfilCa [17]3 years ago
7 0

Answer:

4min 47 seconds

Step-by-step explanation:

Together

8pails/5min + 7pails/4min = x

Use common denominator of 20

32/20 + 35/20 = 67pails/20min = 3.35pails/min

16/3.35 = 4.776119403 minutes

4min  60*0.776119403sec

4min 47 seconds

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2 years ago
Find the perimeter and area of a square with a side of 7 feet.
notka56 [123]

Answer:

the perimeter of a square = 28 feet.

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Step-by-step explanation:

given:

side length of a square = 7 feet.

find:

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area (A) of a square

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the area of a square = 49 ft²

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