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Semenov [28]
3 years ago
11

LaPeach Elementary School uses 4000 pencils each year. The school has 500 students. What is the unit rate per student?

Mathematics
2 answers:
mezya [45]3 years ago
6 0

Answer:

8

Step-by-step explanation:

Unit per student = 4000/500 = 8

Lubov Fominskaja [6]3 years ago
4 0

Answer:

8

Step-by-step explanation:

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Compare 1⁄2 with 3⁄4 using ( <, >, =). A. 1⁄2 = 3⁄4 B. None of the above C. 1⁄2 < 3⁄4 D. 1⁄2 > 3⁄4
max2010maxim [7]
1/2 is less than 3/4. So 1/2 < 3/4
3 0
3 years ago
Sociology graduates, upon entering the workforce are normally distributed and earn a mean salary of $30,000 with a standard devi
GrogVix [38]

Answer:

0.62% probability that randomly chosen salary exceeds $40,000

Step-by-step explanation:

Problems of normally distributed distributions are solved using 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:

\mu = 30000, \sigma = 4000

What is the probability that randomly chosen salary exceeds $40,000

This is 1 subtracted by the pvalue of Z when X = 40000. So

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

Z = \frac{40000 - 30000}{4000}

Z = 2.5

Z = 2.5 has a pvalue of 0.9938

1 - 0.9938 = 0.0062

0.62% probability that randomly chosen salary exceeds $40,000

7 0
3 years ago
W + what - s = w <br> help plz help helppp i want help
grandymaker [24]

Answer: S

Step-by-step explanation:

w + ? - s = w

w + s - s = w

w = w

7 0
3 years ago
Solve for x. 4+3/5(15+2x)=25
erik [133]
If you would like to solve 4 + 3/5 * (15 + 2x) = 25 for x, you can do this using the following steps:

4 + 3/5 * (15 + 2x) = 25
3/5 * (15 + 2x) = 25 - 4
9 + 6/5 * x = 21
6/5 * x = 21 - 9
6/5 * x = 12        /*5/6
x = 12 * 5/6
x = 10

The correct result would be x = 10.
6 0
3 years ago
What is 3 x blank =18y
lawyer [7]
6 bc it’s the answer
4 0
3 years ago
Read 2 more answers
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