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hoa [83]
2 years ago
15

Find the perimeter of the stained-glass window if each small square is 6 in. on a side.

Mathematics
1 answer:
mel-nik [20]2 years ago
8 0

Answer:

the answer is B . 72√2 look at the picture I added

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Which shows 63 factored into powers of prime numbers?   A. 9 • 7   B. 32 • 7   C. 33 • 7   D. 3 • 3 • 7
s2008m [1.1K]

Hi!

<h3>To find the prime factorization of a number, keep dividing by the smallest factor that goes into it. </h3>

63/3 = 21

21/3 = 7

7/7 = 1

<u>3 · 3 · 7 = 63</u>

<h2>The answer is D. 3 · 3 · 7 </h2>

Hope this helps! :)

-Peredhel

6 0
3 years ago
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Do one of the​ following, as appropriate.​ (a) Find the critical value z Subscript alpha divided by 2​, ​(b) find the critical v
aliya0001 [1]

Answer:

t=\pm 2.95

Step-by-step explanation:

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".  

The t distribution or Student’s t-distribution is a "probability distribution that is used to estimate population parameters when the sample size is small (n<30) or when the population variance is unknown".

The shape of the t distribution is determined by its degrees of freedom and when the degrees of freedom increase the t distirbution becomes a normal distribution approximately.  

Data given

Confidence =0.99 or 99%

\alpha=1-0.99=0.01 represent the significance level

n =16 represent the sample size

We don't know the population deviation \sigma

Solution for the problem

For this case since we don't know the population deviation and our sample size is <30 we can't use the normal distribution. We neeed to use on this case the t distribution, first we need to calculate the degrees of freedom given by:

df=n-1=16-1=15

We know that \alpha=0.01 so then \alpha/2=0.005 and we can find on the t distribution with 15 degrees of freedom a value that accumulates 0.005 of the area on the left tail. We can use the following excel code to find it:

"=T.INV(0.005;15)" and we got t_{\alpha/2}=-2.95 on this case since the distribution is symmetric we know that the other critical value is t_{\alpha/2}=2.95

8 0
3 years ago
Help!!!!!! show all work
Gnom [1K]

Hi There!

----------------------------------------------

Part A:

Slope Intercept Form: y = mx + b

m = slope (slope = \frac{y2 - y1}{x2 - x1})

b = y intercept

m=\frac{4 - 6}{(-2)- (-6)} =  \frac{-2}{4} = \frac{-1}{2}

b = 3

Answer: y = -1/2x + 3

----------------------------------------------

Part B:

Just substitue f(x) for y.

Function Notation = f(x) -1/2 + 3

----------------------------------------------

Part C:

This function given looks almost the same but the slope is different while the one stated in the question has a slope of +2 and the equation given at the start with the slope being -1/2.

----------------------------------------------

Hope This Helps :)

8 0
3 years ago
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A school attendance clerk wants to determine if there is a relationship between the number of times a student arrives to school
navik [9.2K]

Answer:

There is no clear relationship between the number of times students arrive late and the distances they live from school.

Step-by-step explanation:

By looking at the graph, there is no clear direction or association that the graph has. Therefore, there is no clear relationship between the variables being compared.

4 0
3 years ago
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WARNING: I need any worker or student to be aware that there are alt accounts going around and posting gore on answers. Some of
victus00 [196]
Thank you for spreading this message! Very appreciated :D I’ve never encountered one but I hope not.
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2 years ago
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