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rodikova [14]
3 years ago
11

I need help please.

Mathematics
1 answer:
alexgriva [62]3 years ago
7 0

Solve for  x  by simplifying both sides of the equation, then isolating the variable.

Answer: X = -2

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Find the population variance and standard deviation. 8​, 17​, 29​, 35​, 41 Choose the correct answer below. Fill in the
Nuetrik [128]

Answer:

(a) σ²  = 144

(b) s² = 12

Step-by-step explanation:

(a) Population variance σ² = ∑(X - \overline{X})² / N

The arithmetic mean \overline{X} = \frac{8 + 17 + 29 + 35 + 41}{5}

                                   \overline{X} = \frac{130}{5}

                                   \overline{X} = 26

σ²  =  \frac{(8 - 26)^{2} + (17 - 26)^{2} + (29 - 26)^{2} + (35 - 26)^{2} + (41 - 26)^{2}}{5}

     =  \frac{(- 18)^{2} + (- 9)^{2} + (3)^{2} + (9)^{2} + (15)^{2}}{5}

     =  \frac{324\ +\ 81\ +\ 9\ +\ 81\ +\ 225}{5}

     = \frac{720}{4}

σ²  = 144

(b) Standard\ deviation = \sqrt{Variance}

                                   = \sqrt{144}

                                   = 12

 

7 0
3 years ago
I need the answer ASAP​
8090 [49]
Post this again so more people can see it cuz that’s what I do when no one answers my questions
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3 years ago
Help plz assap with these 4 questions :(:)))
kirza4 [7]

Answer: -The diameter: 2m

               -The radius: 0.5m

               -"name":SG

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D) two rays that have a common endpoint

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4 years ago
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