Answer some of the questions, please

Mathematics

2 answers:

RideAnS [48]3 years ago

6 0

Answer:

2. D

3.C

4. B

5. B

6. C

7. A

8. B

PLS MARK BRAINLIEST!

Step-by-step explanation:

zloy xaker [14]3 years ago

4 0

Answer:

1)= a 30

2)= b 2¹⁰

3)= d 0.75²

I only know this

mark me brainliest pleasee

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Problem PageQuestion Working together, two pumps can drain a certain pool in hours. If it takes the older pump hours to drain th

gizmo_the_mogwai [7]

Answer:

10.5 hours.

Step-by-step explanation:

Please consider the complete question.

Working together, two pumps can drain a certain pool in 6 hours. If it takes the older pump 14 hours to drain the pool by itself, how long will it take the newer pump to drain the pool on its own?

Let t represent time taken by newer pump in hours to drain the pool on its own.

So part of pool drained by newer pump in one hour would be $\frac{1}{t}$ .

We have been given that it takes the older pump 14 hours to drain the pool by itself, so part of pool drained by older pump in one hour would be $\frac{1}{14}$ .