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Valentin [98]
2 years ago
14

PLz help awarding brainlest to best answer

Mathematics
2 answers:
andrezito [222]2 years ago
8 0

Answer:

Hexagon-6 sides

Pentagon-5 sides

Octagon-8 sides

Decagon-10 sides

Heptagon-7 sides

Dodecagon-12 sides

Polygon-a plane figure with at least three straight sides and angles, and typically five or more.

Equilateral-3 sides

Step-by-step explanation:

Sorry i dont know regular polygon

Pie2 years ago
5 0

Answer:

6, 5, 1, 7, 9, 2, 4, 8, 3.

Step-by-step explanation:

(from top to bottom, this should be right)

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Step-by-step explanation:

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3 0
3 years ago
A population has a standard deviation of 5.5. What is the standard error of the sampling distribution if the sample size is 81?
VladimirAG [237]

Answer:

\sigma = 5.5

And we have a sample size of n =81. We want to estimate the standard error of the sampling distribution \bar X and for this case we know that the distribution is given by:

\bar X \sim N(\mu ,\frac{\sigma}{\sqrt{n}})

And the standard error would be:

\sigma_{\bar x}= \frac{\sigma}{\sqrt{n}}

And replacing we got:

\sigma_{\bar x}=\frac{5.5}{\sqrt{81}}= 0.611

Step-by-step explanation:

For this case we know the population deviation given by:

\sigma = 5.5

And we have a sample size of n =81. We want to estimate the standard error of the sampling distribution \bar X and for this case we know that the distribution is given by:

\bar X \sim N(\mu ,\frac{\sigma}{\sqrt{n}})

And the standard error would be:

\sigma_{\bar x}= \frac{\sigma}{\sqrt{n}}

And replacing we got:

\sigma_{\bar x}=\frac{5.5}{\sqrt{81}}= 0.611

4 0
3 years ago
I need help with #4<br> anyone pls?
kvasek [131]

Answer:

C. 0 6 10

Step-by-Step-Explanation:

the number on the left of the indicated operation is the original set

the number '2' next to R shows that you need to multiply certain numbers by 2

the subscript on the R's shows which row the multiplication needs to be done on...

so in this case, leave the second row alone: 1  3  4

but multiply the first row by 2: 0  6  10

5 0
3 years ago
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