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Eduardwww [97]
2 years ago
7

Jill and Kyle get paid per project. Jill is paid a project fee of $45 plus $10 per hour. Kyle is paid a project fee of $20 plus

$14 per hour. Write an expression to represent how much a company will pay to hire both to work the same number of hours on a project.
Mathematics
2 answers:
kozerog [31]2 years ago
4 0

Answer:

65+24h

Step-by-step explanation:

Dennis_Churaev [7]2 years ago
3 0
The answer is 65+24h. Explanation below.

We will be using (h) to represent the amount of hours. For Jill, the expression will be 45+10h and for Kyle the expression will be 20+14h. Fee+hourly pay x hours.

To get the total amount the company will pay to hire both Jill and Kyle, you must combine both of their expressions. So 45+20= 65, and 10+14=24. So now the expression= 65+24h

So the answer is that the company will be paying 65+24h dollars to hire both Jill and Kyle:)
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Answer:

(a) less than 10 minutes

= 0.5

(b) between 5 and 10 minutes

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Step-by-step explanation:

We solve the above question using z score formula. We given a random number of samples, z score formula :

z-score is z = (x-μ)/ Standard error where

x is the raw score

μ is the population mean

Standard error : σ/√n

σ is the population standard deviation

n = number of samples

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x = 10 μ = 10, σ = 2 n = 50

z = 10 - 10/2/√50

z = 0 / 0.2828427125

z = 0

Using the z table to find the probability

P(z ≤ 0) = P(z < 0) = P(x = 10)

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(b) between 5 and 10 minutes

i) For 5 minutes

x = 5 μ = 10, σ = 2 n = 50

z = 5 - 10/2/√50

z = -5 / 0.2828427125

= -17.67767

P-value from Z-Table:

P(x<5) = 0

Using the z table to find the probability

P(z ≤ 0) = P(z = -17.67767) = P(x = 5)

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ii) For 10 minutes

x = 10 μ = 10, σ = 2 n = 50

z = 10 - 10/2/√50

z = 0 / 0.2828427125

z = 0

Using the z table to find the probability

P(z ≤ 0) = P(z < 0) = P(x = 10)

= 0.5

Hence, the probability that the average waiting time waiting in line for this sample is between 5 and 10 minutes is

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