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devlian [24]
2 years ago
13

What is a parabola in a quadratic equation?

Mathematics
1 answer:
Masja [62]2 years ago
8 0
That is graphed from your equation.
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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
How long is the wire that supports the tree?<br> 5.6 ft<br> 3.3 ft -
Nikolay [14]
The answer is 2.3 feet
6 0
3 years ago
2/3 (6y - 4) = - 4y <br>​
Nookie1986 [14]

Answer:

y = 1/3

Step-by-step explanation:

2/3 (6y - 4) = - 4y

2(6y-4)/3 = -4y

2(6y-4) = (-3)(4y)

y = 1/3

7 0
2 years ago
Read 2 more answers
Need help with numbers 8 and 9
ikadub [295]

Answer:

did not understand ur q.a

3 0
3 years ago
The principal P is borrowed at a simple interest rater for a period of time t. Find the loan's future value A, or the total amou
Andrews [41]
Simple interest formula:
I=PRT

I(interest money created in dollars)
P(initial amount of money)
R(interest rate as a decimal)
T(time in years)

I=7000(.07)(6)
I=$2,940

Therefore, the future value of A is $2,940
8 0
3 years ago
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