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Ray Of Light [21]
3 years ago
14

The heights of women aged 20 to 29 are approximately normal with mean 64 inches and standard deviation 2.7 inches. men the same

age have heights that are also approximately normal, with mean height 69.3 inches and standard deviation 2.8 inches. what is the z-score for a man 72 inches tall? round your answer to 3 decimal places.
Mathematics
1 answer:
Serjik [45]3 years ago
3 0
The number of standard deviations from the mean for a man 72 inches tall is
  Z = (72 -69.3)/2.8 ≈ 0.964
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27.36 divided by 3.14 use compatible numbers to estimate the quotient
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Answer:

Step-by-step explanation:

you can round the numbers

27/3= 9

27.36 rounds down to 27 and 3.14 rounds to 3

6 0
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agasfer [191]

The given scale for the map means that a distance of 1 cm between two locations on the map corresponds to a real distance between them of 600,000 cm = 6 km.

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3 years ago
On a coordinate plane, what is the distance between the points at (1,9) and the point (4, 9)?
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4 0
4 years ago
Factor out the GCF -2x^2 - 4x - 6
andrew-mc [135]

The Greatest Common factor(GCF) of -2x^2-4x-6 is -2(x+1)(x-3)

<h3>What is Greatest Common Factor?</h3>

The greatest common factor (GCF) is the largest factor two or more numbers have in common

From the question,

-2x^2-4x-6

By collecting like terms

-2(x^2-2x-3)

By factoring x^2-2x-3

-2(x^2-3x+1x-3)

Collecting like terms

-2(x^2-3x)+(x-3)

-2(x(x-3)+1(x-3))

-2(x+1)(x-3)

hence  -2(x+1)(x-3) is the Greatest Common factor of  -2x^2-4x-6 is

Learn more about Greatest Common factor on:brainly.com/question/219464

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1 year ago
Express in scientific notation. Make sure your answer has the same number of significant figures as the starting value.
Elenna [48]

Answer:

1.325 x 10 -2

Step-by-step explanation:

That is the answer and I know 100% that it is correct

7 0
3 years ago
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