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3 years ago

Triangles & Angle Bisectors! Can someone help me with this problem? Find X & Y.

Mathematics

1 answer:

kozerog [31]3 years ago

8 0

Answer:

I think it's x= 2.67cm

y=6cm

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A large on-demand video streaming company is designing a large-scale survey to determine the mean amount of time corporate execu

Diano4ka-milaya [45]

Answer:

$n=(\frac{2.262(3)}{0.25})^2 =736.79 \approx 737$

So the answer for this case would be n=737 rounded up to the nearest integer

Step-by-step explanation:

We have the following info given:

$\bar X = 12$ the sample mean

$s = 3$ the sample deviation

$n = 10$ represent the sample size

The degrees of freedom are given by:

$df =n-1 =10-1=9$

The margin of error is given by this formula:

$ME=t_{\alpha/2}\frac{s}{\sqrt{n}}$ (a)

And on this case we have that ME =0.25 and we are interested in order to find the value of n, if we solve n from equation (a) we got:

$n=(\frac{t_{\alpha/2} s}{ME})^2$ (5)

The confidence level is 95% and the critical value for this case would be given by $t_{\alpha/2}=2.262$ , replacing into formula (5) we got:

$n=(\frac{2.262(3)}{0.25})^2 =736.79 \approx 737$

So the answer for this case would be n=737 rounded up to the nearest integer

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3 years ago

It is 42 1/2 miles from Eden to Baxter and 37 4/5 miles from Baxter to Wellington how far is it from eden to Wellington if you g

maw [93]

It is 80 and 3/10ths of a mile

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3 years ago

The sum of all lengths of polygon

alexdok [17]

I think the answer is The perimeter!

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3 years ago

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yawa3891 [41]

Answer:

Step-by-step explanation:

divide the number then add on

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3 years ago

Read 2 more answers

How do i do this? geometry

iren [92.7K]

Answer:

80?

Step-by-step explanation:

the total amount of degrees in a hexagon is 720. Divide that by 6 and you get 120. Each corner is 120. It doesnt have a right angle measure on it so it has to be lowerer then 90.

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2 years ago