How can you dicide if useing common multiples and common factors is useful in solving a problem

Mathematics

2 answers:

Mamont248 [21]3 years ago

4 0

Sometimes the question will have key words like multiples factors greatest or leat

geniusboy [140]3 years ago

3 0

Usually the problem asks for you finding common multiples and common factors.

Usually these tools are used to solve a problem involving the first number.

Sometimes using common multiples and common factors are a waste of time but most of the time it just makes it easier to solve the problem.

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Jason runs 440 yards in 75 seconds. At this rate, how many minutes does it take

Leya [2.2K]

Answer:

5 minutes

Step-by-step explanation:

We know that 1760 yards are in a mile. We can convert the given info into a proportion. 440/75 = 1760/x, where x is the number of seconds it takes to run a mile. Cross-multiply to get 440x = 75*1760. Divide both sides by 440 to get x = 75*4 = 300 seconds. The problem asks for how many minutes so you have to convert 300 seconds to minutes. To do this, we have to divide 300 by 60 to get 5 minutes.

3 0

3 years ago

Read 2 more answers

Can someone help me? thanks!

masha68 [24]

So you know that 1 cubic foot is equal to 80 pounds. So, the first point would be (1,80).
You can find the other points by multiply 80 by a number, and when I did that, I got (2,160) and (3,240) too.

I hope this helps :)

6 0

3 years ago

Find the value of sin T rounded to the nearest hundredth, if necessary.

katovenus [111]

<h3>Answer: 0.6</h3>

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Work Shown:

sin(angle) = opposite/hypotenuse

sin(T) = VU/VT

sin(T) = 3/5

sin(T) = 0.6

6 0