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Diano4ka-milaya [45]
3 years ago
7

Working together, two pumps can drain a certain pool in 3 hours. If it takes the older pump 9 hours to drain the pool by itself,

how
long will it take the newer pump to drain the pool on its own?
Do not do any rounding.
Mathematics
1 answer:
omeli [17]3 years ago
4 0
Not too sure but try 18 sorry if it does not help
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Is (2,2) a solution to x+y=4 and 5x+5y=20?
telo118 [61]

Answer:

yes

Step-by-step explanation:

(2,2)

x=2 y=2

x+y=4

2+2=4

4=4

5x+5y=20

5(2)+5(2)=20

10+10=20

20=20

7 0
3 years ago
Please help asap i will mark branlist please explain both question
Allisa [31]

Answer:

  5.  C.  {(22, 10), (23, 10), (24, 7), (25, 5)}

  6.  C.  x = -2

Step-by-step explanation:

A relation is not a function if a vertical line intersects a graph of it in more than one place.

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5. A set of ordered pairs is <u>not</u> a function if any of the first-values is repeated.

In set A, (22, ) is repeated.

In set B, (23, ) is repeated.

In set D, (24, ) is repeated.

In set C, no first-value is repeated, so the relation is a function.

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6. The line x=-2 is a vertical line, so a vertical line intersect it in an infinite number of places. It is NOT a function.

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The length of a rectangular flower garden is 4 meters more than its width. The area of the garden is 60 square meters. Find the
kobusy [5.1K]
60 divided by 4 so
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What is the slope of the line that passes through the points E(5,1)and F(2, -7)
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Use slope formula y^2-y^1/x^2-x^1
So.
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What would 56 × 67 be.
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56 times 67 would be  3,752
5 0
3 years ago
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