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sdas [7]
2 years ago
13

One pump fills a tank 3 times as fast as another pump. If the pumps work​ together, they fill the tank in 12 minutes. How long d

oes it take for the faster pump to fill the​ tank?
Mathematics
1 answer:
antiseptic1488 [7]2 years ago
3 0
Well I think in 4 mins because the faster pump pumped 3 times faster and they fill the tank in 12 mins so yea cause 12 divided by 3 but not 100% sure I'm using mental math
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Answer:

1.04 inch

Step-by-step explanation:

Given: Old house has a basement stairways with 7.25 inch vertical riser and 7 inch horizontal treads.

Remember; horizontal treads is known as run in steps.

Now, calculating the slope of the stairways.

Formula: Slope= \frac{Rise}{Run}

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Subtituting the value in the formula

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∴ Slope of stairways is 1.04.

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