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marshall27 [118]
3 years ago
8

A swimming pool is to be drained. The pool is shaped like a Rectangular prism with length 12m , with 10 m, and depth 3m. Suppose

water is pumped out of the pool at a rate of 18 m3 per hour.if the pool starts completely full , how many hours does it take to empty the pool ?
Mathematics
1 answer:
tiny-mole [99]3 years ago
6 0

Answer:

20 hours

Step-by-step explanation:

first calculate volume:

12x10x3=360

then divide by 18

360/18=20

So 20 hours in total

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Nana76 [90]

Answer:

Where is the question?

Step-by-step explanation:

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6 0
3 years ago
Bag contains 5 blue, 12 black, 6 red, and 7 green marbles. If one marble is chosen at random the probablity that it is NOT blue
Alex Ar [27]

Answer:

D. 5/6

Step-by-step explanation:

There are 30 marbles

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3 0
3 years ago
Simultaneous Equations <br> 2x+4y=22 <br> 2x+2y=15
Aleks04 [339]

Answer:

x = 4

y = \frac{7}{2}

Step-by-step explanation:

Ummmm

I'm not sure if this is corrrect but this is what I got

So first you solve 2x+4y=22 to find x

and you get x = -2y+11

Then you have to subtitute -2y+11 for x in 2x+2y=15

which you then get y= \frac{7}{2}

After you have to subttitute y= \frac{7}{2}  for y in x = -2y+11

which you get as x=4

Finally you get the answer as:

x = 4

y = \frac{7}{2}

5 0
3 years ago
Help me this assignment is due soon.
AlekseyPX
So maybe it’s 5, it’s equivalent to the side with 6, just shorter
6 0
3 years ago
Are these shapes similar or congruent?
aliya0001 [1]

Answer:

Congruent

Step-by-step explanation:

Hope this helps you!!

4 0
3 years ago
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