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Vesna [10]
3 years ago
5

Hello, I am stuck on how to solve the matrix problem of x - y = 5

Mathematics
1 answer:
Sergio [31]3 years ago
4 0
If you’re trying to elimination the answer would be (14,9)
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Is this correct? please help I thought that what I did was correct but just to be correct.
lisabon 2012 [21]
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3 years ago
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Simplify 4 + (−3 − 8)
Elis [28]

Answer:

-7

Step-by-step explanation:

4 + (−3 − 8)

PEMDAS

Parentheses first

4 + (-11)

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A nationwide survey of 100 boys and 50 girls in the first grade found that the daily average number of boys who are absent from
dusya [7]
Te difference of 2 standard deviation of a population n1 & n2 is given by the formula:
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3 years ago
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1. WILL MARK BRAINLIEST!!! HELP!​
MatroZZZ [7]

Answer:

\frac{7}{x+7}

Step-by-step explanation:

<u>Step 1:  Pull a 7 from the top</u>

<u />\frac{7x + 42}{x^2 + 13x + 42}

\frac{7(x + 6)}{x^2 + 13x + 42}

<u>Step 2:  Factor the bottom</u>

<u />\frac{7(x + 6)}{(x + 7)(x + 6)}

<u>Step 3:  Cancel the top (x+6) and the bottom (x+6)</u>

<u />\frac{7}{x+7}

Answer:  \frac{7}{x+7}

6 0
2 years ago
Enter the answer to the nearest tenth. Another home business has an average income of $1.200.00 per month with a standard deviat
Nonamiya [84]

Answer: -1.7

Step-by-step explanation:

Given : Another home business has an average income of $1.200.00 per month with a standard deviation of $100.00.

i.e.\mu=\$1200.0

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Let x represents the monthly income.

Since . z=\dfrac{x-\mu}{\sigma}

For x= 1030 , we have

z=\dfrac{1030-1200}{100}=-1.7

Hence, the required z-score = -1.7

5 0
3 years ago
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