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skad [1K]
3 years ago
12

Recycled cd’s incorporated, offers a choice of 5 used CD for $24, with each additional CD costing $5. Write a cost function for

purchasing 5 or more CD’s. What will the cost of buying 6 CD’s be? Let x represent the number of CD’s over 5
Mathematics
1 answer:
DiKsa [7]3 years ago
5 0

If $24 represents the cost of  the 5 used CDs, than your formula would be "24+5x" ,x being the amount of extra CDs you purchase.

24+5(6-5)

24+5(1)

24+5

=29


6 CDs would cost $29


I hope thats right, goodluck^^

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Answer:

30 so this math is hard

Step-by-step explanation:

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3 years ago
An aptitude test is designed to measure leadership abilities of the test subjects. Suppose that the scores on the test are norma
Komok [63]

Using the normal distribution, it is found that 0.0329 = 3.29% of the population are considered to be potential leaders.

In a <em>normal distribution</em> with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

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

  • It 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, which is the percentile of X.

In this problem:

  • The mean is of 550, hence \mu = 550.
  • The standard deviation is of 125, hence \sigma = 125.

The proportion of the population considered to be potential leaders is <u>1 subtracted by the p-value of Z when X = 780</u>, hence:

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

Z = \frac{780 - 550}{125}

Z = 1.84

Z = 1.84 has a p-value of 0.9671.

1 - 0.9671 = 0.0329

0.0329 = 3.29% of the population are considered to be potential leaders.

To learn more about the normal distribution, you can take a look at brainly.com/question/24663213

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2 years ago
How to find the constant variation for each direct variation
mestny [16]
To find the constant variation for each varitation is find the pattern and the answer is that
6 0
4 years ago
A football is kicked at 40 yards away from a goal post that is 10 feet high. Its path is modeled by y = -0.03x 2 + 1.6x, where x
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y(40)=-0.03(40^{2})+1.6(40)=16feet
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Yes, the ball clears the goal by 6 feet.
7 0
4 years ago
PLZ HELP
Ivenika [448]

Answer:

C

Step-by-step explanation:

ET=BS

SE=ES

∠BSE= 90°

∠TES= 90°

8 0
3 years ago
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