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Amiraneli [1.4K]
2 years ago
8

The driveway measuring 280 ft.² is to be paved john has an apprentice working for him and divide the child between the two of th

em so that the area he pays divided by the area his apprentice pave equals three. find the area john will pave
Mathematics
1 answer:
Furkat [3]2 years ago
7 0

Answer:

Step-by-step explanation:

It would be 40

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27. The average hourly wage of workers at a fast food restaurant is $7.25/hr
morpeh [17]

Answer:

0.0668 = 6.68% probability that the worker earns more than $8.00

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.

The average hourly wage of workers at a fast food restaurant is $7.25/hr with a standard deviation of $0.50.

This means that \mu = 7.25, \sigma = 0.5

If a worker at this fast food restaurant is selected at random, what is the probability that the worker earns more than $8.00?

This is 1 subtracted by the pvalue of Z when X = 8. So

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

Z = \frac{8 - 7.25}{0.5}

Z = 1.5

Z = 1.5 has a pvalue of 0.9332

1 - 0.9332 = 0.0668

0.0668 = 6.68% probability that the worker earns more than $8.00

8 0
3 years ago
Evaluate f^3+11g-4h when f= 3, g=2 and h=7
vladimir2022 [97]

Step-by-step explanation:

=f³+11×g-4×h

=3³+11×2-4×7

=27+22-28

=21

is yr answer.

3 0
2 years ago
8x – 65 = - x2<br> [pease help me
Leya [2.2K]

Answer: x=5 or x=−13

Step-by-step explanation:

8x−65=−x2

8x−65−(−x2)=−x2−(−x2)

x2+8x−65=0

(x−5)(x+13)=0

x−5=0 or x+13=0

x=5 or x=−13

4 0
3 years ago
What is the slope of the linear function <br> y= -1/3x+1 <br> is it <br> -1/3<br> 1/3<br> -1<br> 1
Zanzabum

Answer:

-1/3

Step-by-step explanation:

This equation is in y-intersept form; y=mx+b, where m is the slope

5 0
2 years ago
What is the value of log^625^5<br>​
Tems11 [23]

Answer:

170.84

Step-by-step explanation:

5 0
2 years ago
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