Ask question

Ask question

All categories

3 years ago

12

It takes an older pump 3 times as long to drain a certain pool as it does a newer pump. Working together, it takes the two pumps

3 hours to
drain the pool. How long will it take the older pump to drain the pool working alone?
Do not do any rounding.

1 answer:

leva [86]3 years ago

7 0

Answer:

it takes approximately 3 hours

Step-by-step explanation:

You might be interested in

Please help, the questions just have to be simplified

dimaraw [331]

$6c^2d^{-3}\ \times\ 3c^3d^{-4}=6\cdot3\cdot c^{2+3}d^{-3+(-4)}=18c^5d^{-7}=\frac{18c^5}{d^7}$

$\frac{-16p^6q^5}{20q^7}=-\frac{16}{20}p^6q^{5-7}=-\frac{4}{5}p^6q^{-2}=-\frac{4p^5}{5q^2}$

8 0

3 years ago

Read 2 more answers

What percentage of videos on the streaming site are between 39 and 189 seconds?

PolarNik [594]

Answer:

B) 15.85%

Step-by-step explanation:

normalcdf(minimum,maximum,μ,σ)

normalcdf(39,189,264,75)

≈0.1573

≈15.73%

Therefore, the closest answer is B

4 0

2 years ago

Any answers? No need for an explanation if you want to sure, the answer would be appreciated!

Simora [160]

Yes because 9+4 = 13 and if you plug in the y and x it turns out true

6 0

3 years ago

If AC = 2x + 3 and DB = 4x - 1, find x.

Talja [164]

The answer is x= 5 it’s 5

6 0

3 years ago

Can someone explain to me why you flip the reciprial

puteri [66]

Answer:

By flipping the second fraction (finding its reciprocal) we change the equation mathematically. In order to maintain the equation mathematically, we must turn the division question into a multiplication question.

Step-by-step explanation:

4 0

3 years ago