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Morgarella [4.7K]
3 years ago
7

Someone help please?

Mathematics
2 answers:
iren [92.7K]3 years ago
8 0
It get you too x-3 will give you 9 f(x) -9-3 gives you 43:76
Yuliya22 [10]3 years ago
6 0

Answer:

43:76  

Step-by-step explanation:


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The heights of women aged 20 – 29 in the United States are approximately Normal with mean 64.2 inches and standard deviation 2.8
Bumek [7]

Answer: 0.64

Step-by-step explanation:

Given : The heights of women aged 20 – 29 in the United States are approximately Normal with \mu=64.2 inches and \sigma=2.8 inches.

Let x denotes the height of women.

Since 1 feet = 12 inches

5.5 feet = 5.5\times12=66 inches

Then, the z-score corresponds to x=66 inches will be :-

z=\dfrac{66-64.2}{2.8}=0.642857142857\approx0.64

Hence, the z ‑score for a woman 5.5 feet tall = 0.64

8 0
4 years ago
What is the reciprocal of the sum of a half, a third, and a fourth?
soldier1979 [14.2K]

Answer

12/13

Step-by-step explanation:

1/2+1/3+1/4=?

6/12+4/12+3/12=?

13/12

Reciprocal is 12/13

3 0
4 years ago
Factorise b^2 + 7b + 10
deff fn [24]

Step-by-step explanation:

b²+7b+10

Common factors are 5,2

b²+7b+10

b²+2b+5b+10

b(b+2)+5(b+2)

(b+2)(b+5)

Hope it helps.✨✨

4 0
2 years ago
From the list of these numbers 3,5,7,12,15,18,20<br> What is a factor of 10
il63 [147K]
The factors of 10 are 1, 2, 5, and 10. You can also look at this the other way around: if you can multiply two whole numbers to create a third number, those two numbers are factors of the third. 2 x 5 = 10, so 2 and 5 are factors of 10.
6 0
3 years ago
Find the value of x point the diagram is not to scale
TiliK225 [7]
You need to give us the diagram
7 0
3 years ago
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