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kodGreya [7K]
2 years ago
12

1 1/2 is_____% of 7 1/2

Mathematics
1 answer:
Xelga [282]2 years ago
5 0

Answer:

1 1/2 is__11/15___% of 7 1/2

Step-by-step explanation:

Given

Number - 7\frac{1}{2}  = \frac{15}{2}

Let X % of \frac{15}{2} = \frac{11}{2}

X % is thus equal to

\frac{11}{2} * \frac{2}{15} \\\frac{11}{15}

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Answer:

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Step-by-step explanation:

In this case I would immediately rewrite n² - 2n - 5 = 10 as

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To complete the square:  Identify the coefficient of n (it is -2). Halve that, obtaining -1, square this result, and then add the outcome (1) to and subtract the outcome (1) to n² - 2n:

n² - 2n  <em>+ 1 - 1   </em>             = 15

Next, rewrite n² - 2n  + 1 as the square of a binomial:

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Finally, take the square root of both sides:

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