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Alekssandra [29.7K]
3 years ago
9

How do you solve -5m+9n= 15, for m

Mathematics
1 answer:
Fed [463]3 years ago
4 0

Answer:

m= 9/5 n - 3

Step-by-step explanation:

Let's solve for m.

−5m+9n=15

Step 1: Add -9n to both sides.

−5m+9n+−9n=15+−9n

−5m=−9n+15

Step 2: Divide both sides by -5.

-5m/-5 = -9n+15/-5

m= 9/5 n - 3

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Sarah's parents are filling their swimming pool. She wants to know how long it will take. What unit is best used to give the rat
Marat540 [252]

Answer:

B) gallons per hour

Step-by-step explanation:

The pool volume is measured in gallons, so that is the appropriate unit for use in the rate. The time will likely be measured in hours (not minutes or seconds), so that, too, is the appropriate unit for the rate.

_____

<em>Comment on other units</em>

If the pool is filled from a fire hose or other high-volume source of water (irrigation pump, for example), the appropriate units may be gallons per minute. (It might only take 10 to 20 minutes.)

In a metric country, the appropriate units might be liters per minute or hour, or cubic meters per minute or hour. (The pool volume is about 83.3 m³.)

For the problem here, the unit of cups is way too small to be of interest, and (large volume) flow rates are rarely expressed in cups per unit time.

7 0
3 years ago
This is a point at which a graph intersects the y-axis. Example: (0, 5) for the equation y = x + 5.
faltersainse [42]
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Hope this helps!
Your fortune is "You will find something that you have lost before."
3 0
3 years ago
QUICK HELP ITS DUE IN 10 EEEEEEEEEEE
Svet_ta [14]

Answer:

the answer is b

Step-by-step explanation:

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6 0
3 years ago
2−2n=3n+17 <br> what IS THE answer help
Stolb23 [73]
First, let's identify the like terms. 
2 and 17
2n and 3n

Next, you would need to combine them. Ex: Add 2n to both sides, and subtract 17 from both sides. 
2 - 2n = 3n + 17
2 = 5n + 17
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Now, all you would need to do is isolate the n. To do this, you would divide both sides by 5. 
-15 = 5n
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n = -3

The solution would be -3. 

I hope this helps!
6 0
3 years ago
Read 2 more answers
PLEASE HELP!!!
Brilliant_brown [7]

Answer: Is in the screenshot

8 0
2 years ago
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