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Leokris [45]
3 years ago
7

Joe earns $9 per hour. He worked x hours on both Wednesday and Friday, and 8 hours on both Tuesday and Saturday. Write an expres

sion to represent how much Joe earned. Justify your answer.
Mathematics
2 answers:
Tamiku [17]3 years ago
8 0

To find the total amount earned, you need to multiply the number of hours worked by the pay rate. Joe worked x hours for 2 days. That’s 2x hours. He worked 8 hours for 2 days. That’s 8(2), or 16 hours. The total number of hours he worked is 2x + 16. He gets paid $9/hour, so an expression for the total amount earned is 9(2x + 16), or 18x + 144.

inna [77]3 years ago
8 0

Answer:

Joe earns 18x+144 dollars that week with x being the number of unknown working hours on Wednesday and Friday.

Step-by-step explanation:

Joe earns $9/hour, On wednesday and friday he worked a total of 2x hours and on Tuesday and Saturday he worked a total of 16 hours. Let y be the amount of money Joe earned.

To determine how much money Joe earned we must determine how much hours he has work:

= 2*x+2*8=2*x+16

We can determine the amount earned from the total amount of hours work and rate of $9/hour:

y=(2*x+16)*9=18*x+144

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anyanavicka [17]

Answer:

95% of the customers  have to wait between 10 minutes and 26 minutes

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 18 minutes

Standard Deviation, σ = 4 minute

We are given that the distribution of amount of time is a bell shaped distribution that is a normal distribution.

Empirical Formula:

  • Almost all the data lies within three standard deviation from the mean for a normally distributed data.
  • About 68% of data lies within one standard deviation from the mean.
  • About 95% of data lies within two standard deviations of the mean.
  • About 99.7% of data lies within three standard deviation of the mean.

Now, we can write:

10 = 18-2(4) = \mu - 2(\sigma)\\26 = 18+2(4) = \mu + 2(\sigma)

Thus, by empirical formula, 95% of the data lies within two standard deviations of the mean.

Thus, 95% of the customers  have to wait between 10 minutes and 26 minutes

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3 years ago
Simplify <br> squared 24x^5 y6
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The answer is 144x^5y

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Find the circumference of the circle if the square has an area of 144 m. Give your answer to the nearest tenth. Use 3.14 for pie
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Mr.Tan and his friends planned a group visit for three adults and nine children.Find the amount of money they had to pay for the
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$36 for adults, $56 children.
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Answer for brainilest and 30 points.
Karo-lina-s [1.5K]

Answer:

Top Right

Step-by-step explanation:

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