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Basile [38]
3 years ago
6

Find the geometric mean. 4a and a; 4a and 2a.

Mathematics
1 answer:
pishuonlain [190]3 years ago
5 0
<span>Solve for "x":
a/x = x/4a
---
x^2 = 4a^2
x = 2a</span>
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2 years ago
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Ana drinks chocolate milk out of glasses that each hold 1/8 of a liter
maxonik [38]

Answer:

5 3/5

Step-by-step explanation:

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3 years ago
Suppose that the walking step lengths of adult males are normally distributed with a mean of 2.5 feet and a standard deviation o
Hitman42 [59]

Answer:

0.0668 = 6.68% probability that an individual man’s step length is less than 1.9 feet.

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score 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 p-value, we get the probability that the value of the measure is greater than X.

Normally distributed with a mean of 2.5 feet and a standard deviation of 0.4 feet.

This means that \mu = 2.5, \sigma = 0.4

Find the probability that an individual man’s step length is less than 1.9 feet.

This is the p-value of Z when X = 1.9. So

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

Z = \frac{1.9 - 2.5}{0.4}

Z = -1.5

Z = -1.5 has a p-value of 0.0668

0.0668 = 6.68% probability that an individual man’s step length is less than 1.9 feet.

3 0
2 years ago
Michael bought 0.44 pound of sliced turkey what is the value of the digit in the hundreds place
balandron [24]
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I hope this helped you

7 0
3 years ago
Does the mapping diagram represent a function? why or why not?
alexandr1967 [171]

Answer:

Step-by-step explanation:

( B ) . No; the input value x = - 5 pairs with two output values.

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3 years ago
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