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SIZIF [17.4K]
3 years ago
6

Jorge bought stock in a restaurant for $300. His stock is now worth $323. Complete the statement, rounding to two decimal places

if necessary.
The percentage change is ....
Mathematics
1 answer:
Harrizon [31]3 years ago
4 0

Answer:

The percentage change is 7.67%

Step-by-step explanation:

Cost of stock in a restaurant when bought= $300

Cost of stock in a restaurant now = $323

Change in cost = 323 -300 = $23

The percentage change is = (change in cost/Cost of stock in a restaurant when bought) * 100

The percentage change is = (23/300) * 100 = 7.67 %

The percentage change is 7.67%

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The expression 35 exponet 2 is equivalent to the product of two perfect squares (each greater than 1). You can find the two
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Step-by-step explanation:

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1/2,1/3,1/8 find the sum
Zarrin [17]

Answer:

23/24

Step-by-step explanation:

To find the sum you must ad.

Fractions can only be added and subtracted when the denominators (the bottom numbers) are the same.

24 is the smallest number that 2, 3 and 8 go into.

1/2 = 12/24, 1/3 = 8/24, 1/8 = 3/24

\frac{12}{24} + \frac{8}{24} + \frac{3}{24} = \frac{23}{24}

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What impression do you have of the narrator, Nick Carraway, from his narration and actions?
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Which weighs more, a pound of cotton or a pound of bricks?
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Keenan scored 80 points on an exam that had a mean score of 77 points and a standard deviation of 4.9 points. Rachel scored 78 p
Artemon [7]

Answer:

Keenan's z-score was of 0.61.

Rachel's z-score was of 0.81.

Step-by-step explanation:

Z-score:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score 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 p-value, we get the probability that the value of the measure is greater than X.

Keenan scored 80 points on an exam that had a mean score of 77 points and a standard deviation of 4.9 points.

This means that X = 80, \mu = 77, \sigma = 4.9

So

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

Z = \frac{80 - 77}{4.9}

Z = 0.61

Keenan's z-score was of 0.61.

Rachel scored 78 points on an exam that had a mean score of 75 points and a standard deviation of 3.7 points.

This means that X = 78, \mu = 75, \sigma = 3.7. So

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

Z = \frac{75 - 78}{3.7}

Z = 0.81

Rachel's z-score was of 0.81.

6 0
2 years ago
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