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2 years ago

Free points: this is because of all the kindness I have seen on brainly:

Mathematics

2 answers:

VashaNatasha [74]2 years ago

8 0

The answer is 35450 :)

Harlamova29_29 [7]2 years ago

3 0

Answer:The answer is a big number.

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The average wage for an electrician in CA is $25.47/hour. That is 11% above the national average. What is the national average?

yan [13]

Answer:

$22.95/hour.

Step-by-step explanation:

It is given that the average wage for an electrician in CA is $25.47/hour. That is 11% above the national average.

Let as consider x be the national average.

11% above the national average is

$x+\dfrac{11}{100}x=x+0.11x=1.11x$

The average wage for an electrician in CA is 11% above the national average. So,

$1.11x=25.47$

Divide both sides by 1.11.

$x=\dfrac{25.47}{1.11}$

$x=22.945945...$

$x=22.95$

Therefore, the national average is $22.95/hour.

3 0

2 years ago

A warehouse contains 7250 books in it. Books are being shipped from the warehouse such that the number of books decreased by 150

Lapatulllka [165]

Using an linear function, we have that:

The inequality is: $-150D + 7250 < 2000$

The warehouse will start printing more books on the 35th day, hence it won't be printing on the 30th day.

<h3>What is a linear function?</h3>

A linear function is modeled by:

$y = mx + b$

In which:

m is the slope, which is the rate of change, that is, by how much y changes when x changes by 1.

b is the y-intercept, which is the value of y when x = 0, and can also be interpreted as the initial value of the function.

In this problem:

A warehouse contains 7250 books in it, hence b = 7250.

Books are being shipped from the warehouse such that the number of books decreased by 150 per day, hence m = -150.

Thus, the number of books each day is modeled by the following function:

$B(D) = -150D + 7250$

It will begin to print more books when the warehouse contains less than 2000 books, hence, the inequality is:

$B(D) < 2000$

$-150D + 7250 < 2000$

Then:

$-150D < -5250$

$150D > 5250$

$D > \frac{5250}{150}$

$D > 35$

The warehouse will start printing more books on the 35th day, hence it won't be printing on the 30th day.

More can be learned about linear functions at brainly.com/question/24808124

7 0

1 year ago

What is the answer to -134>-a+2(-7-7a)

maw [93]

Answer:

the answer is a > 8

i hope this helps!!

6 0

2 years ago

The global surface water area is 361, 132,000 square metres. Calculate the volume of water needed to cause a 3mm in sea level.

vovangra [49]

Answer:

The volume of water is 396 cubic meter.

Step-by-step explanation:

Area of water, A = 132000 square meter

Height, h = 3 mm = 0.003 m

The volume of water is given by

V = Area x height

V = 132000 x 0.003

V = 396 cubic meter.

3 0

2 years ago

How can I prove that

Citrus2011 [14]

I can prove by being smart then that if you tell me all the ansers

6 0

3 years ago