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34kurt
3 years ago
10

Please answer correctly! I will mark Brainliest!

Mathematics
1 answer:
Pie3 years ago
5 0

Answer:

its 60 all around

Step-by-step explanation:

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Explain how your knowledge of place value helps you divide a number in the thousands by ehole numbers to ten
natali 33 [55]
You can use your knowledge of place value to help you because when dividing in the thousands' place you need to know to where to place the the first number in your <span>quotient.</span>
5 0
3 years ago
if the area of a circle is represented by A=21π, what is the radius of the circle? round your answer to the nearest tenth
Reptile [31]
The equation is actually
circle area = PI * radius^2
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5 0
3 years ago
A particular paper included the accompanying data on the tar level of cigarettes smoked for a sample of male smokers who subsequ
Dafna1 [17]

Answer:

Check the explanation

Step-by-step explanation:

H_0:proportion of male smoker lung deaths is same for the four given tar level categories.

H_1:proportion of male smoker lung deaths is not the same for the four given tar level categories.

Expected frequency=1177/4=294.25

Tar level     Observed Freq.(O)        Expected Freq.(E)         (O-E)^2/E

0-7                         107                                   294.25                120.435

8-14                        375                                  294.25                5.643

15-21                       553                                 294.25                 227.533

>=22                       183                                  294.25                 42.061

Total=                    1177                                  1177                      395.673

Total chi square score=395.673

df=4-1=3

p-value=CHIDIST(395.673,3)<0.001

p-value<0.001,Reject null hypothesis.

There is sufficient evidence that the proportion of male smoker lung deaths is not the same for the four given tar level categories.

5 0
3 years ago
Write a multiplication equation and a division equation that represent this situation. Use “?” to represent the unknown quantity
STatiana [176]

Answer:

csdkc kwhbfc d cjasd c

Step-by-step explanation:

sdjnf ewaihfbashehkf liq4bf;wjhf

6 0
3 years ago
Can someone finish the t-chart off because I know it's not done
alex41 [277]
4=161
5=195
6=229
7=258
8=292
8 0
3 years ago
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