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Vesna [10]
3 years ago
10

Cody, the owner of an e-commerce site, buys emerald pendants for $400 and then sells them

Mathematics
1 answer:
Trava [24]3 years ago
5 0

Answer:

The marked up percentage is 112.5%

Step-by-step explanation:

The cost price of the emerald pendant = $400

The selling price of the emerald pendant = $840

Now, the Mark up Price  = Selling Price - Cost Price

                                          = $840  - $400 = $450

Also, \textrm{Percentage of Mark up Price}  = \frac{\textrm{the Marked up price}}{\textrm{The Cost Price}}  \times 100

= \frac{450}{400}  \times 100 = 112.5

⇒  Percentage of Mark up Price =  112.5%

Hence, the marked up percentage is 112.5%

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Marat540 [252]

Answer:

The score that cuts off the bottom 2.5% is 48.93.

Step-by-step explanation:

When the distribution is normal, we use 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}

The Z-score 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. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this question, we have that:

\mu = 65, \sigma = 8.2

What is the score that cuts off the bottom 2.5%

This is X when Z has a pvalue of 0.025, so X when Z = -1.96.

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

-1.96 = \frac{X - 65}{8.2}

X - 65 = -1.96*8.2

X = 48.93

The score that cuts off the bottom 2.5% is 48.93.

8 0
3 years ago
Read 2 more answers
HURRY!! WILL MARK BRAINLIEST!!
Alisiya [41]

Answer:

2, the second number line.

Step-by-step explanation:

-1 x 1/2 = -0.5

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Sam wants to find the best buy on cans of tuna. He reads these four ads in the newspaper.$12.53 for seven cans$5.97 for three ca
grandymaker [24]
In each case divide the price by the number of cans.
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3 years ago
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Anna11 [10]

Answer:

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3 years ago
At noon of a certain day, when 5 pens and 3 pencils were placed in a drawer, the ratio of the number of pens to the number of pe
Molodets [167]

The question is probably incomplete. What i am assuming is that the person might ask for the previous ratio or the total number of pens and pencil in the drawer.

So if it is the previous ratio it obviously would be 47 - 5 : 17 -3 so 42 : 14 and in case he or she is asking for the total number of pens and pencils in the drawer before so they were 42 + 14 hence 56.

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3 years ago
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