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Step2247 [10]
3 years ago
6

A swimming pool's large drain will empty the pool in 3 hours while its smaller drain takes 6 hours. If both drains are opened, h

ow long will it take to empty the pool?
Mathematics
2 answers:
makkiz [27]3 years ago
8 0

Answer:

2 hours

Step-by-step explanation:

6 divided by 3 is 2

Im pretty sure this is correct :)

Alisiya [41]3 years ago
8 0

Answer:

1.5 hours

Step-by Step Explanation:

the smaller drain takes 2x as long by itself then the bigger drain, so it will be 2x as quicker if both are opened.

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Find x in this proportion.<br> 5/2x =25/4 <br> x =<br><br> 2/5<br> 5/2<br> 4/5<br> 8/5
Ymorist [56]

Answer:

2/5

Step-by-step explanation:

make it reciprocal

2x/5 = 4/25

cross multiply the numbers

2x × 25 = 4×5

2x= 20/25

2x= 4/5

x = 2/5

4 0
4 years ago
PLEASE HELP!!! :( <br>Consider the following figure <br>What is BD? ​
Yuliya22 [10]

Answer:

BD = 16

Step-by-step explanation:

32/BD = BD/8

BD² = 256

BD = 16

8 0
3 years ago
I need help on this how do i do this
kap26 [50]
Answer: 4311/9900 = 0.4354 4936/990 = 4.985 530/900 = 0.58 674/990 = 0.680 8099/990 = 8.180 explanation: divide the numbers and select the answers.
7 0
3 years ago
Which phrase best describes the translation from the group y=2x^2 to the graph of y= 2x^2 +5
dsp73

Answer:

The graph move up 5.

Step-by-step explanation:

When we add a constant to the end of a parabola, it shifts the graph up and down. Since the constant here is positive, the graph moves up by that number (5)

7 0
3 years ago
halona walks 1.93 kilometers in 23 minutes, assuming constant speed write a proportion that represents how many kilometers in x
Afina-wow [57]
Dividing 1.93km by 23 minutes, you get 0.083 km per minute, or 5.03 km per hour
4 0
3 years ago
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