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2 years ago

13

Two pipes are used to fill a water storage tank. The first pipe can fill the tank in

2 answers:

oksano4ka [1.4K]2 years ago

7 0

Answer:

2 hours for the 2 pipes

Step-by-step explanation:

1 pipe for a tank is 4 hours, but since 2 pipes is 2 hours less, it would take the two pipes together 2 hours

Alexus [3.1K]2 years ago

6 0

X = time it takes for the second pipe to fill the tank
x-2 = time it takes for both pipes to fill the tank
1/4 = portion of the tank filled by the first pipe in one hour
1/x = portion of the tank filled by the second pipe in one hour
1/(x-2) = portion of the tank filled by both pipes

Now you have your equation,
1/4 + 1/x = 1/(x-2)

You should be good now

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Greeley [361]

Answer:

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Step-by-step explanation:

We are given:

$\displaystyle f(x)=4x+5\text{ and } g(x)=x^2+x$

And we want to find:

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This is equivalent to:

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So, we will evaluate g(-5) first, which yields:

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Then:

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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