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Pani-rosa [81]
1 year ago
10

Amy tutors math. For each hour that she tutors, she earns dollars.

Mathematics
1 answer:
skelet666 [1.2K]1 year ago
5 0

The equation to find Amy's earning after tutoring for 15 hours is 300 dollars.

<h3>How to find an equation?</h3>

She earn 20 dollars for each hours she tutors.

E = earnings in dollars

H = hours of tutoring

The equation relating E and H are as follows:

E = 20H

Therefore, the equation to find Amy's earning after tutoring for 15 hours is as follows;

E = 20H

E = 20 × 15

E = 300 dollars

Therefore, Amy's tutoring for 15 hours is 300 dollars.

learn more on expression here: brainly.com/question/14492671

#SPJ1

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Answer:

25/24

Step-by-step explanation:

simplify: 2/3-1/4 to 5/12

5/8+5/12

=25/24

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The length of a rectangle is 20 units more than its width. The area of the rectangle is x4−100.
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Step-by-step explanation:

Area of the rectangle =(x^4-100)

x^4-100=(x^2)^2-10^2\\$Applying difference of two squares: a^2-b^2=(a-b)(a+b)\\(x^2)^2-10^2=(x^2-10)(x^2+10)

Since the length of a rectangle is 20 units more than its width.

Width: x^2-10\\Length=x^2+10=x^2-10+20

The correct option is therefore 1.

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It takes 24 electricians 36 days to wire a new housing subdivision. How many days would 32 electricians take to do the same job?
Jlenok [28]

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The 32 electricians are expected to finish the job in 27 days.

Step-by-step explanation:

In this case we can apply a rule of three to calculate the time it'll take for the 32 electricians to finish the job. This is done below:

24 electricians -> 36 days

32 electricians -> x days

We have to be careful here, since the variables are inversely proportional, since if there are more electricians working on the same job, we expect the job to be finished in fewer days, therefore we need to invert one of the fractions as shown below:

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The 32 electricians are expected to finish the job in 27 days.

6 0
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The owner of Brookstone coffee has 13 regular full-time employees. 7 are female and 6 are male. As he plans the schedule, he lik
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Using the combination formula, it is found that 525 combinations can be created.

The order in which the employees are chosen is not important, hence the <u>combination formula</u> is used to solve this question.

<h3>What is the combination formula?</h3>

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by:

C_{n,x} = \frac{n!}{x!(n-x)!}

In this problem:

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Then the number of combinations is given by:

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