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Alla [95]
3 years ago
7

Two green faucets take 4 hours together to fill a deposit. Two other blue faucets take half together. How long does it take to f

ill the tank with a blue and a green tap together?
Mathematics
1 answer:
EleoNora [17]3 years ago
7 0
It should take 2 hours to fill a tank
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baherus [9]
You can not "solve" this, so to speak, rather simplify this expression. Take the "2" and multiply that by the "a" and the "3" in the parentheses. You will then have the simplified answer of: 2a times 6. 
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What is the slope of the graph of 14x + 7y = –9? A. 1/2 B. -1/2 C. 2 D. -2
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7 0
3 years ago
Subtract.<br> (6x + 5) - (x + 3)<br> A. 5x + 2<br> B. 6x + 2<br> C! 6x + 8<br> D. 5x + 8
Natali [406]

Answer: 5x + 2

Step-by-step explanation:

4 0
2 years ago
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Roberta is 20 years older than Julian. In 4 years, Roberta's age will be twice Julian's age.
mars1129 [50]

Step-by-step explanation:

There are 2 questions in one.

1)

<u>Roberta is 20 years older than Julian. In 4 years, Roberta's age will be twice Julian's age:</u>

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---------------------------

2)

<u>Roberta is twice as old as David. In 10 years, Roberta will be 8 less than three times David's present age:</u>

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Correct choice is A

8 0
2 years ago
What is the equation of the line that passes through the point (-6,7) and has a slope of -5? Write the equation in slope interce
Vedmedyk [2.9K]

Answer:

y = -5x - 23

Step-by-step explanation:

Point-slope form:

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rearrange:

y - 7 = -5x - 30

y = -5x - 23

4 0
3 years ago
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