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Jaran S.

Mathematics Major at Stetson University

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Pre-Algebra

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Question:

If a car moves 60ft in 24secs. How far will the car travel in a minute.

Jaran S.

Answer:

To solve this problem we need to find the rate. Since we know that distance=rateXtime. Since we do not know the rate we will have to divide the distance by the time. 60/24 = 2.5 . So this means that the car is moving 2.5 feet per second. Now we take 2.5 and multiply it by 60. Now we know that in a minute the car will travel 150ft/sec.

Algebra

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Question:

Describe an absolute number and give an example of how you write and evaluate them.

Jaran S.

Answer:

An absolute number describes how far away the number itself is away from 0. In essence an absolute number is the positive equivalent of the number. The absolute value of -31, which is written as |-31|, is 31.

Algebra

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Question:

Solve this problem simplify (x-3)/6 = (x+7)/4

Jaran S.

Answer:

You must begin the problem by cross multiplying. This changes the equation to 4(x-3) = 6(x+7). You must them multiply throughout making it 4x-12=6x+42. Then you must subtract 42 from both sides and also subtract 4x from both sides. The equation now looks like 54=-2x. Finally you must divide by -2 and the solution is x=-27

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