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chubhunter [2.5K]
3 years ago
9

Find all numbers whose absolute value is 7.

Mathematics
1 answer:
suter [353]3 years ago
4 0

Answer:

The absolute value of 7 is 7 and the absolute value of -7 is 7

7, -7

<h2>Please mark me as brainliest by clicking on the crown button below</h2>
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Answer:

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Step-by-step explanation:

\sum 2n+1= \boxed{\big( \sum_{i=1} ^{4}2n \big) +1}

And,

$ \sum (2i+1)= \sum (2i)+ \sum_{i=1} ^{4} (1) $

$=\sum_{i=1} ^{4}(2i) + 1+1+1+1 $

$=\boxed{\Big(\sum_{n=1} ^{4}(2n)\Big) +4}.... \text{Variable in Summation doesn't matter}$

Hence the difference is 3.

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Step-by-step explanation:

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Answer:

3rd box, last box, 2nd box, 5th box in that order

Step-by-step explanation:

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3 years ago
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A triangle has vertices X(2, 1), Y(5, 4), and Z(5, 1). What is the area of the triangle?
pochemuha

Answer:

Step-by-step explanation:

They gave you an easy triangle. You can tell by the coordinates that X and Z are horizontally aligned, and Y and Z are vertically aligned, so Z is a right angle.

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This year = Last year * (100%-9%)

This year = 122222 * 91% = 111222.02

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