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il63 [147K]
3 years ago
13

Tim​ Urban, owner/manager of​ Urban's Motor Court in Key​ West, is considering outsourcing the daily room cleanup for his motel

to​ Duffy's Maid Service. Tim rents an average of 50 rooms for each of 365 nights​ (365 × 50 equals the total rooms rented for the​ year). Tim's cost to clean a room is$12.50. The​ Duffy's Maid Service quote is $ 18.00 per room plus a fixed cost of $25,000 for sundry items such as uniforms with the​ motel's name.​ Tim's annual fixed cost for​ space, equipment, and supplies is $61,000. Based on the given information related to costs for each of the​ options, the crossover point for Time​ = _______nothing room nights ​(round your response to the nearest whole ​number).
Mathematics
1 answer:
Setler [38]3 years ago
3 0

Answer:

 The crossover point for Time​  h = 6545 \ room \ nights

Step-by-step explanation:

From the question we are told that

     The total rooms rented for the year is  z =  50 * 365 = 18250 \ rooms

       Time's  fixed cost is r =  $61,000

     Time's variable  cost is y =$12.5  per room

       Duffy's Maid Service fixed cost is x =$25,000

       Duffy's Maid Service variable cost is  k  = $18.00 per room

       

The cross over point for Time is mathematically represented as

        h = \frac{r - x}{k- y}

substituting values

      h = \frac{61000 - 25000}{ 18 - 12.5}

      h = 6545 \ room \ nights

     

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Zane took three typing tests and recorded the results as shown.
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Answer:

A

Step-by-step explanation:

For test A, the unit rate is 30 words per minute divided by 4 minutes, or 7.5 words per minute.

Unit rate = 78 words/15 minutes = 5.2 words per minute for test B.

The unit rate for test C is 99 words/22 minutes, or 4.5 words per minute.

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3 years ago
Write a linear function f with f(0)=7 and f(3)=1
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F(0)=7(0)
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Given the event​ "a die lands with a 6 on​ top", which of the following is the complement of this​ event? Choose the correct ans
Veronika [31]

Answer:

The die lands with a​ 1, 2,​ 3, 4, or 5 on top ⇒ answer D

Step-by-step explanation:

- Complementary events are two outcomes of an event that are the

 only two possible outcomes

- The Complement Rule states that the sum of the probabilities of

  an event and its complement must equal 1

- P(A) + P(A') = 1

- Lets solve the problem

- The event A is:

  " a die lands with a 6 on​ top "

∴ P(A) = \frac{1}{6}

∵ P(A) + P(A') = 1

∴ \frac{1}{6} + P(A') = 1

- Subtract \frac{1}{6} from both sides

∴ P(A') = \frac{5}{6}

∵ The die has six numbers from 1 to 6

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∴ The complement of event A is:

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8 0
3 years ago
A normal population has a mean of 19 and a standard deviation of 5.
dangina [55]

Answer:

a) Z = 1.2

b) 38.49% of the population is between 19 and 25.

c) 34.46% of the population is less than 17.

Step-by-step explanation:

Problems of normally distributed samples can be 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}

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. If we need to find the probability that the measure is larger than X, it is 1 subtracted by this pvalue.

For this problem, we have that

A normal population has a mean of 19 and a standard deviation of 5, so \mu = 19, \sigma = 5.

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This is Z when X = 25

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

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(b) What proportion of the population is between 19 and 25?

This is the pvalue of Z when X = 25 subtracted by the pvalue of Z when X = 19.

X = 25 has Z = 1.2, that has a pvalue of 0.8849.

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This is the pvalue of Z when X = 17

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

Z = \frac{17 - 19}{5}

Z = -0.40

Z = -0.40 has a pvalue of 0.3446.

This means that 34.46% of the population is less than 17.

7 0
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Sati [7]
B. Negative exponent flip from denominator to numerator and numerator to denominator.
B is the second option.
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