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nexus9112 [7]
2 years ago
12

Jan has a kids pool that holds 20 gallons of water. It drains as a constant rate. When Jan first saw the kids pool, it contained

14 gallons. Six minutes later, the pool contained 10 gallons of water. At what rate is the amount of water in the pool changing? Use a signed number, and include the unit of measurement in your answer.
Mathematics
1 answer:
Effectus [21]2 years ago
7 0

Answer:

-2/3 gal per minute

Step-by-step explanation:

The pool drained 4 gallons in 6 minutes.

How many gallons per minute?

minutes: 6 min/6 = 1

gallons: 4 gal/6 = 2/3

-2/3 gal per minute (negative because the pool is draining)

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Answer:

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Step-by-step explanation:

i hope this helps :)

7 0
3 years ago
Can somebody help me with this?
Juli2301 [7.4K]

Answer:

E) 1/2

Step-by-step explanation:

This is no ordinary problem. It actually requires you to solve two different problems in order to figure out the correct answer.

First, we must figure out what the hypotenuse of the triangle is. We have the two small sides (5 and 12), but don't have the larger side. To find this, we must use the Pythagorean theorem: a^{2} + b^2 =c^2

Let's plug in our a and b values

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144 + 25 = c^2

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Square both sides

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But sadly, we aren't done yet. Now we know the length of the whole hypotenuse side. Time to figure out what X is by a simple equation.

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Simplify

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Divide by 26

Answer is 1/2

6 0
3 years ago
How do you simplify 7 (2x+10) thanks in advance
kramer
The only thing you should do is to multiply 7 by 2x and 10. 
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3 years ago
A cyclist travels 6 miles in 15 minutes. What is her average speed in mph?
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Answer:

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Step-by-step explanation:

A cyclist travels 6 miles in 15 minutes. What is her average speed in mph?

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Step two:

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3 0
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agasfer [191]
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