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bezimeni [28]
3 years ago
5

Lisa specializes in baking lemon cupcakes. She bakes 3 dozen cupcakes every hour. The cost (in dollars) of making n cupcakes is

given by the function C(n) = 60 + 0.45n. The function that models the number of cupcakes lisa makes in h hours is n(h)=___. The cost in terms of hours h is given by ___. Lisas cost for making cupcakes for 2 hours is___
Mathematics
1 answer:
kirza4 [7]3 years ago
8 0

Answer:

36h, 60+16.2h, and $92.40.

Step-by-step explanation:

n(h)=36h because there are 3 dozen cupcakes made per hour, to get C(h) you just plug in 36h in place of n and simplify, and then for the final answer 2 is plugged into the equation from the second answer.

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manufacturing company produces digital cameras and claim that their products maybe 3% defective. A video company, when purchasin
alexdok [17]

Answer:

P(X>17) = 0.979

Step-by-step explanation:

Probability that a camera is defective, p = 3% = 3/100 = 0.03

20 cameras were randomly selected.i.e sample size, n = 20

Probability that a camera is working, q = 1 - p = 1 - 0.03 = 0.97

Probability that more than 17 cameras are working P ( X > 17)

This is a binomial distribution P(X = r) nCr q^{r} p^{n-r}

nCr = \frac{n!}{(n-r)!r!}

P(X>17) = P(X=18) + P(X=19) + P(X=20)

P(X=18) = 20C18 * 0.97^{18} * 0.03^{20-18}

P(X=18) = 20C18 * 0.97^{18} * 0.03^{2}

P(X=18) = 0.0988

P(X=19) = 20C19 * 0.97^{19} * 0.03^{20-19}

P(X=19) = 20C19 * 0.97^{19} * 0.03^{1}

P(X=19) = 0.3364

P(X=20) = 20C20 * 0.97^{20} * 0.03^{20-20}

P(X=20) = 20C20 * 0.97^{20} * 0.03^{0}

P(X=20) = 0.5438

P(X>17) = 0.0988 + 0.3364 + 0.5438

P(X>17) = 0.979

The probability that there are more than 17 working cameras should be 0.979 for the company to accept the whole batch

6 0
3 years ago
The domain of the following relation has how many elements?
Ivahew [28]

Answer:

b. 1

Step-by-step explanation:

All first coordinates are 1/2.

Answer: b. 1

5 0
2 years ago
Help with this answer please?
puteri [66]
It would be Adjacent/hypotenus which is 36/39 and when simplified the answer is 12/13
3 0
3 years ago
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In the mall 1/15 of the stores sell shoes. There are 180 stores in the mall. How many of the stores sell shoes.
Degger [83]

Answer:

12 stores

Step-by-step explanation:

180 * 1/15 = 180/15 = 12

4 0
3 years ago
Read 2 more answers
I really need this answer as soon as possible please anyone
Contact [7]
The answer is 55!!!!
5 0
3 years ago
Read 2 more answers
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