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ira [324]
2 years ago
14

Factor completely: x^4 - 16

Mathematics
1 answer:
sergiy2304 [10]2 years ago
7 0

Answer:

(x^2+4)(x+2)(x-2) hope this helps

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The heights of adult males in the United States are approximately normally distributed. The mean height is 70 inches (5 feet 10
steposvetlana [31]

Using the normal distribution, it is found that the probability is 0.16.

<h3>Normal Probability Distribution</h3>

In a normal distribution with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

  • It measures how many standard deviations the measure is from the mean.
  • After finding the z-score, we look at the z-score table and find the p-value associated with this z-score, which is the percentile of X.

In this problem, the mean and the standard deviation are given by, respectively, \mu = 70, \sigma = 3.

The proportion of students between 45 and 67 inches is the p-value of Z when <u>X = 67 subtracted by the p-value of Z when X = 45</u>, hence:

X = 67:

Z = \frac{X - \mu}{\sigma}

Z = \frac{67 - 70}{3}

Z = -1

Z = -1 has a p-value of 0.16.

X = 45:

Z = \frac{X - \mu}{\sigma}

Z = \frac{45 - 70}{3}

Z = -8.3

Z = -8.3 has a p-value of 0.

0.16 - 0 = 0.16

The probability is 0.16.

More can be learned about the normal distribution at brainly.com/question/24663213

3 0
2 years ago
HELP HELP HELP HELP HELP HELP
denis-greek [22]

Answer:

1 question : 0.89 I think.

7 0
3 years ago
Read 2 more answers
Which equations model this problem? A recipe that makes 1 serving calls for 0.1 L of honey. How many servings can Alicia make if
loris [4]
The answer is B. 0.8/0.1 = s

The solution is as follows:
s = honey at hand / honey needed for 1 serving
   = 0.8 L / 0.1 L
   = 8, she can make 8 servings of the recipe

Thank you for posting your question. I hope you found what you were after. Please feel free to ask me more.

<span> </span>



7 0
3 years ago
Describing each step.
Firlakuza [10]

Answer:

1-2

Step-by-step explanation:

It's 1-2 beacause from 1-2 the oriantation did not change, the size did not change, the shape did not change, and it was not a mirror image

8 0
3 years ago
You work at a flower shop designing bouquets. You need to create bouquets of roses and calla lilies for a wedding. Calla lilies
Ierofanga [76]
64x2.40 = 153.6
64x1.90 = 121.6

add 153.6 to 121.6

275.2
5 0
3 years ago
Read 2 more answers
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