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myrzilka [38]
3 years ago
5

Describe how to use mental math to determine if a ratio is simplified

Mathematics
1 answer:
mezya [45]3 years ago
3 0
We can determine that the ratio is simplified by checking that the numbers in ratio can be divided with the same number, if it can be divided then it is not simplified for example 9:12 is the ratio and we can divide both numbers with 3 and then we get 3 : 4.
Now we cannot divide 3:4 further with any same number so this is simplified form. 
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9. First Five terms

If n=0. Then,

\frac{4(0) - 5}{2}

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If n=2. Then,

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If n=3. Then,

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If n=4. Then,

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If n=5. Then,

\frac{4(5) - 5}{2}

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If n=6. Then,

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7 0
3 years ago
A rectangular swimming pool that is 10 ft wide by 16 ft long is surrounded by a cement sidewalk of uniform width. If the area of
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We are asked to solve for the width "x" in the given problem. To visualize the problem, see attached drawing.
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Area SP + SW = (10 + x) * (16 + x)
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x2 + 26x -155= 0
Solving for x, we need to use quadratic formula and the answer is 5 feet.

The value of x is <span>5 feet. </span>

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kondor19780726 [428]
I'm not sure what this question means exactly, maybe the principals goal is unrealistic?
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