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stiks02 [169]
3 years ago
7

What two numbers multiply to -270 and add up to -3

Mathematics
1 answer:
GrogVix [38]3 years ago
6 0

Answer:

-18 and 15

-18 + 15 = -3

-18 x 15 = -270

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Engineers want to design seats in commercial aircraft so that they are wide enough to fit 95​%of all males.​ (Accommodating 100%
Anarel [89]

Answer:

Upper P95 = 16.21in

Step-by-step explanation:

When the distribution is normal, we use the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

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

The Z-score 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. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this question, we have that:

\mu = 14.4, \sigma = 1.1

Upper P 95

This is the 95th percentile, which is X when Z has a pvalue of 0.95. So X when Z = 1.645.

Then

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

1.645 = \frac{X - 14.4}{1.1}

X - 14.4 = 1.1*1.645

X = 16.21

Upper P95 = 16.21in

3 0
3 years ago
Apply the distributive property to factor out the greatest common factor of 12+20
Lunna [17]

4(3+5) --> this means that 12/4=3 and 20/4=5 and 4 is the GCF

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AE and DF are parallel. If √ABG = 11x and m_HCF = 10x + 9, what is m√ABG? 102° 99° 81° 9° ​
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Answer:

81

Step-by-step explanation:

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3 years ago
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1 foot is shorter that 20 centimeters
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