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3 years ago

What’s -2f-3=7? It’s a two step equation

Mathematics

2 answers:

tiny-mole [99]3 years ago

6 0

Answer:

-5

Step-by-step explanation:

Eva8 [605]3 years ago

3 0

Answer:

ooo i did this one earlier :) f=-5

Step-by-step explanation:

-2f-3=7 you have to add 3 to each side

-2f=10 then you have to divide -2 on each side to get the f alone

f=-5 and there you go :)

I hope this helps you also you should use m a t h w a y its perfect for problems like this :)

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2 years ago

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Hello!

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The Canadian side of Niagara Falls has a flow rate of 600,000 gallons per second. How many gallons of water flow over the falls

Nady [450]

36,000,000 gallons

<h3>Further explanation</h3>

<u>Given:</u>

The Canadian side of Niagara Falls has a flow rate of 600,000 gallons per second.

<u>Question:</u>

How many gallons of water flow over the falls in 1 minute?

<u>The Process:</u>

We will solve the problem of finding many gallons of water flow over the falls in one minute. This is related to unit conversions.

Let us look carefully.

Every second flows 600,000 gallons of water.
In one minute, or 60 seconds, water flows as much as:

$\boxed{ \ = \frac{600,000 \ gallons}{1 \ second} \times 60 \ seconds \ }$

The second unit is crossed out.
The total zero from the multiplication above is six, while the yield of 6 times 6 is 36, so the final result is 36,000,000.

$\boxed{ \ 600,000 \ gallons \times 60 = 36,000,000 \ gallons \ }$

Thus, the amount of water flowing in a waterfall is $\boxed{\boxed{ \ 36,000,000 \ gallons \ }}$

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Keywords: The Canadian side of Niagara Falls, a flow rate of 600,000 gallons per second, how many gallons of water flow, in 1 minute, unit conversions, the second unit is crossed out

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