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julia-pushkina [17]
3 years ago
9

a small pump can drain a pool in 9 hours. a large pump could drain the same pool in 7 hours. how long will it take to drain the

pool of both pumps are used simultaneously
Mathematics
1 answer:
siniylev [52]3 years ago
4 0
3.94 hours. hope this helps.
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Nikolay [14]
Capacity is the maximum amount that something can contain. Fluid ounces is how much something contains in ounces.
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3 years ago
3x + 10 >28 inequality
ratelena [41]

Answer:

x > 6

Step-by-step explanation:

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What is the factored form of x^2-x-2
tekilochka [14]

For this case we have:

By definition, the factorization is an algebraic expression that is used to find two or more factors, taking into account that the product of these factors must be equal to the given expression.

That is to say:

Given an expression of the form x ^ 2 + (a + b) x + ab

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Since, its product is: x ^ 2 + bx + ax + ab = x ^ 2 + (a + b) x + ab,

checking the given definition.

If we have:

x ^ 2-x-2

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Answer:

(x-2) (x + 1)


6 0
3 years ago
What expression is equivalent to 2.2-2.5?
Pani-rosa [81]
Hi <span>Camrynb10705oxknsv!
So let's take a look at the answers they give. A is 2.5 - 2.2 and all that is is switching the numbers so that isn't right. B they do addition instead of subtraction so that can't be right. C they do 2.2 + (-2.5) and when you add a negative number it's like subtraction because a negative number is under 0 and so your adding a number under 0 so you go down. So the answer is C.
If you need me to explain it different let me know. Hope this helps!</span>
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A tennis ball machine can launch 60 tennis balls in 12 minutes.
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It's 300 because you divide 60 by 12 which gives you 5, then multiply 60 and 5.

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3 years ago
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