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cricket20 [7]
3 years ago
7

0" align="absmiddle" class="latex-formula">
n^{2} +20x+100=0
Mathematics
1 answer:
Cloud [144]3 years ago
8 0

Answer:

FREEEEEEEEEE

Step-by-step explanation:

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Under a dilation centered at the origin, the point (-4 , 3) has image at (8 , -6) The dilation is _____
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2

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see the image for the explanation

4 0
3 years ago
A submarine is located 25 meters below sea level it goes up 7 meters then goes down 38 meters wrote plan integer to represent th
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QUESTION 3 of 10: Stock returns vary from year to year. The more variance a stock displays the greater the potential risk. These
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Answer:

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Step-by-step explanation:

Given:

Series =  10, 30, 15, 5, 20

To Find:

variance of a series = ?

Solution:

The variance of the series = Var\left(X\right)=\sum _{i=1}^n\frac{\left(x_i-\bar{x}\right)^2}{n}

\bar{x} = \frac{10+30 +5+15 + 20}{5}

\bar{x} = \frac{80}{5}

\bar{x} =16

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= (-6)^2 + (14)^2 + (-11)^2 + (-1)^2+ (-4)^2

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=  370

Now

Var\left(X\right)=\frac{370}{5} =  74

6 0
3 years ago
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Which of the following are independent events?
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