MATHEMATICS COLLEGE

According to the Bureau of Labor Statistics, in May 2014 the mean hourly wage of a social worker was $28.08 with a standard deviation of $1.97. Jeronica is a social worker with an hourly wage of $31.60. What is Jeronica’s z-score? (Round your answer to TWO decimal places.)

Answers

Answer 1
Answer: Answer: 1.79

Explanation:

Let x = hourly wage for a social worker. Then, the z-score for x is given by 



where



Since Jeronica's salary is $31.60, the z-score of Jeronica's is given by





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MIDDLE SCHOOL

1/2 hour :$1.25 what is the unit rate per hour

Answers

Answer:

$2.50/hour

Step-by-step explanation:

It is given that for hour $1.25.

We have to calculate the unit rate per hour.

Since for   hour the amount = $1.25

for 1 hour the amount would be = 1.25 ÷

                                                    = 1.25 ×

                                                    = $2.50/hour

The unit rate per hour would be $2.50.

                                                   

1.25 x 2 = ?

1/2 x 2 = 1 hour

? = 2.5
MIDDLE SCHOOL

Multiplying a number by 4/5 then dividing by 2/5 is the same as multiplying by what number

Answers

...is the same as multiplying the number by 2. I hope that was helpful!

Multiply a number by 4/5
Divide by 2/5 is the same as multiplying by 5/2 so
×4/5×5/2
×2
MIDDLE SCHOOL

Drag each label to the correct box. Not all labels will be used. William says that 15 years from now, his age will be 3 times his age 5 years ago. If x represents William's present age, complete the following
sentences
15 years
18 years
x - 15 = 3(x + 5)
x+15= 3(x - 5)
The equation representing William's claim is
William's present age is

Answers

Answer:

x+15=3(x-5) his present ae is 15 years

Step-by-step explanation:

x+15=3(x-5)

x+15=3x-15

15+15=3x-x

30=2x

x=30/2=15 years

MIDDLE SCHOOL

Fraction as a percent 1: 2\5=??? 2: 1\20=??? 3: 9\10=??? 4: 7\20=??

Answers

Hey You!

To convert a fraction to a percent, you must divide the numerator by the denominator and multiply that by 100.

1. 2/5 = 40%

2. 1/20 = 5%

3. 9/10 = 90%

4. 7/20 = 35%

Don't forget the formula! Good Luck!
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