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DiKsa [7]
3 years ago
11

PLEASE HELP WILL MARK BRAINLIEST!

Mathematics
1 answer:
pantera1 [17]3 years ago
8 0

Answer:

Make a coordinate plane and you have to solve around the origin say 4,4 and 4,1.

Step-by-step explanation:

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the skunk sprayed people 70% of the people he saw on his walk. if he saw a total of 30 people,how many people did he spray?
lubasha [3.4K]

The skunk sprayed 21 people.

6 0
4 years ago
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Given: f (x)= 3x+8, find f '(x).<br> Then state whether 1(x) is a function.
Alex17521 [72]

Step-by-step explanation:

× = 3+8

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3 years ago
Write an
ZanzabumX [31]

Answer:

On distributing the - sign outside the parenthesis we get,

<u>-2h - 9.6k + 1</u>

3 0
3 years ago
assume the age of night school students is normally distributed. A simple random sample of 24 night school students had an avera
aleksley [76]
Let
n = number of data
s = standard deviation (sample)
S = standard deviation (population)

The working equations is

\frac{(n-1) s^{2} }{ x^{2}_{right} }  \ \textless \   S^{2} \ \textless \   \frac{(n-1) s^{2} }{ x^{2}_{left} }

To find x^{2}_{right}, : (1 - 0.90)/2 = 0.05

To find x^{2}_{left}, : 1 - 0.05 = 0.95

Degrees of freedom = n-1 = 24 - 1 = 23

This is shown in the figure attached. Since there is no row for df=23, we interpolate. Thus,

 x^{2}_{left} = 13.093 

 x^{2}_{right} = 35.17 


Substitute all values,

\frac{(24-1) 5.6^{2} }{ 35.17} \ \textless \ S^{2} \ \textless \ \frac{(24-1)  5.6^{2} }{ 13.093} }

Thus the answer is,

20.51\  \textless \ S^{2} \ \textless \ 55.09

5 0
3 years ago
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Roman55 [17]

Answer:

380 pages

Step-by-step explanation:

because if 30% equals 300 means 38% equals 380

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3 years ago
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