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vladimir2022 [97]
3 years ago
15

A hybrid SUV gets 32miles per gallon on the highway driving at a constant 55 miles per hour.At this rate, how many gallons per h

our does the hybrid SUV use?

Mathematics
2 answers:
m_a_m_a [10]3 years ago
6 0

Answer:

a

Step-by-step explanation:

GalinKa [24]3 years ago
4 0
The answer is 23 bc 55-32 is 23 (:
Please mark me the brainliest ty
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A worn, poorly set-up machine is observed to produce components whose length X follows a normal distribution with mean 14 centim
Akimi4 [234]

Answer:

74.86% probability that a component is at least 12 centimeters long.

Step-by-step explanation:

Problems of normally distributed samples are solved using 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 problem, we have that:

\mu = 14

Variance is 9.

The standard deviation is the square root of the variance.

So

\sigma = \sqrt{9} = 3

Calculate the probability that a component is at least 12 centimeters long.

This is 1 subtracted by the pvalue of Z when X = 12. So

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

Z = \frac{12 - 14}{3}

Z = -0.67

Z = -0.67 has a pvalue of 0.2514.

1-0.2514 = 0.7486

74.86% probability that a component is at least 12 centimeters long.

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3 years ago
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Answer:

<AEB = obtuse angle

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<BEA = obtuse angle

<BEC = straight angle

<CDE = not angle

<CEA = acute angle

<DEA = straight angle

<DEB = acute angle

<DEC = obtuse angle

Step-by-step explanation:

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2 years ago
A circular mirror has a diameter of 12 inches. part a what is the area, in square inches, of the mirror?
vovangra [49]
1st part is c
2nd part is d 

I BELIEVE
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3 years ago
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