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Elodia [21]
3 years ago
15

Angie is working on a project for her history class. The first half of the project took her 7/12 of an hour. The second half of

the project took her 13/18 of an hour.
What is the total amount of hours she spent working on the project?


Select one:

A. 1/18

B. 2/3

C. 1 1/9

D. 1 11/36
Mathematics
2 answers:
In-s [12.5K]3 years ago
3 0
It would be C Because it is
olga_2 [115]3 years ago
3 0
The answer is D since 7+13 is and 12+18 is 36 and the least common denominator is 36 which equals 47/36 if you simplify it. The answer will be 1 11/36
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I think it would be 29 students in the larger class

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3 years ago
Last years freshman class at big state university totaled 5,305 students of those 1258 received a merit scholarship to help offs
Leokris [45]

Using the normal distribution, it is found that 95.15% of students receive a merit scholarship did not receive enough to cover full tuition.

<h3>Normal Probability Distribution</h3>

The z-score of a measure X of a normally distributed variable with mean \mu and standard deviation \sigma is given by:

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

  • The z-score measures how many standard deviations the measure is above or below the mean.
  • Looking at the z-score table, the p-value associated with this z-score is found, which is the percentile of X.

The mean and the standard deviation for the amounts are given as follows:

\mu = 3456, \sigma = 478

The proportion is the <u>p-value of Z when X = 4250</u>, hence:

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

Z = \frac{4250 - 3456}{478}

Z = 1.66

Z = 1.66 has a p-value of 0.9515.

Hence 95.15% of students receive a merit scholarship did not receive enough to cover full tuition.

More can be learned about the normal distribution at brainly.com/question/15181104

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4 0
2 years ago
Greatest common factor of the following monomials 34c^3 and 2c^5
melamori03 [73]
This would be 2c^3 Answer
4 0
2 years ago
A group of mountain climbers beginner expedition with 250 pounds of food they play to be a total of 12 pounds of food per day ri
sattari [20]

Answer:

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Step-by-step explanation:

Hope this helps :)

5 0
2 years ago
Need to know the answer for this one , help
k0ka [10]

Answer:

Choice D.

Step-by-step explanation:

The range is the set of all y-coordinates of the points in the graph.

The graph is a wavy function that has a maximum y-coordinate of 1 and a minimum y-coordinate of -1. The y-coordinates can also be all numbers between -1 and 1. Choice A. is only the two numbers -1 and 1. That is not correct since the range comprises the numbers -1, 1, and all numbers in between -1 and 1.

Answer: Choice D.

7 0
2 years ago
Read 2 more answers
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