MATHEMATICS COLLEGE

Ethan buys 4 packs of muffins. He uses a Coupon and saves $2 off the total.Which expression represents his total cost?

A. 4+2

B. 4m -2

C. 4m + 2

D. 4 - 2m

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Answers

Answer 1
Answer:

This expression represents Ethan's Total cost after using the coupon cost after using the coupon would be:4m - 2

Ethan buys 4 packs of muffins. He uses a coupon and saves $2 off the total.

Let's find out which expression represents his total cost.

Step 1: Determine the cost of one pack of Muffins

To determine the cost of one pack of muffins, we need to use algebra.

Let m be the cost of one pack of muffins. If Ethan buys 4 packs of muffins, then his total cost before using the coupon would be 4m.

Step 2: Use the coupon to calculate the total Cost Now let's use the coupon to calculate Ethan's total cost.

We know that he saved $2 off the total.

Therefore, his total cost after using the coupon would be:4m - 2

This expression represents Ethan's total cost after using the coupon. Therefore, the correct answer is option B: 4m - 2.

For more questions on Total.

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1.488 divided by 2.1 rounded to nearest tenth

Answers

The answer should be 0.70

Christine is fertilizing her garden. the garden is in the shape of a rectangle. its length is 12 ft and it's width is 10 feet. suppose each bag of fertilizer covers 30 square feet. how many bags will she need to cover the garden?

Answers

Answer:

4

Step-by-step explanation:

First we need to find the total area of the garden so we can see how many bags she will need. The area of a rectangle is its length multiplied by its width, so the area of her garden is 12 (the length) x 10 (the width). 12 x 10 = 120 square feet. If each bag covers 30 square feet, then she will need 120/30 = 4.

4 bags of fertilizer to cover the 120 square feet of the garden area.

Hope this helped!

Solve the following expression: (9 x 10) - (30 + 30). Show all steps taken.

Answers

Answer:

First multiply each brackets

90-60

30

Step-by-step explanation:

Answer:

9 x 3= 27 and 30 + 30=  60.. so 60- 27= 33, but if you want to do 27- 30.. it would be -33.

Step-by-step explanation:

Hope that answers your question!

Graph f(x)=−1.5x+6.Use the line tool and select two points to graph the line.


MoveLine
UndoRedoReset

Answers

here (I need 20 characters in order to send this so don't mind this text)

Answer:

oki so the picture is down below and this is for K12 just a heads up and the points are (0,6) and (0,4)

Step-by-step explanation:

Find the average value of the function over the given interval. (Round your answer to three decimal places.) f(x) = −sin x, [0, π] Find all values of x in the interval for which the function equals its average value. (Enter your answers as a comma-separated list. Round your answers to three decimal places.)

Answers

The average value of the function is -(2)/(\pi).

Average value :

The average value of the function is given as,

                    Average=(1)/(\pi) \int\limits^\pi_0 {f(x)} \, dx

Given function is, f(x)=-sinx

Substitute values in above relation.

                Average=(1)/(\pi) \int\limits^\pi_0 {-sinx} \, dx\n\nAverage=(1)/(\pi) (cosx)^(\pi) _(0)\n\nAverage=(1)/(\pi)(cos\pi - cos 0)\n\nAverage=(1)/(\pi)(-1-1)\n\nAverage=-(2)/(\pi)

The values of x in the interval for which the function equals its average value is,

              -sinx=-(2)/(\pi)\n \nx=sin^(-1) ((2)/(\pi) )=39.56

Learn more about the average value of function here:

brainly.com/question/20118982

Answer with Step-by-step explanation:

We are given that

f(x)=-sin x

[0,\infty]]

Average value of the function is given gy

f_(avg)=(1)/(b-a)\int_(a)^(b)f(x)dx=(1)/(\pi-0)\int_(0)^(\pi)-sinx dx

f_(avg)=(1)/(\pi)[cosx]^(\pi)_(0)

Using the formula

\int sin xdx=-cos x

f_(avg)=(1)/(\pi)(cos\pi-cos0)

f_(avg)=(1)/(\pi)(-1-1)=-(2)/(\pi)

f(x)=f_(avg)

-sinx=-(2)/(\pi)

sinx=(2)/(\pi)

x=sin^(-1)((2)/(\pi))=0.69radian

Susan decides to take a job as a transcriptionist so that she can work part time from home. To get started, she has to buy a computer, headphones, and some special software. The equipment and software together cost her $1000. The company pays her $0.004 per word, and Susan can type 90 words per minute. How many hours must Susan work to break even, that is, to make enough to cover her $1000 start-up cost? If Susan works 4 hours a day, 3days a week, how much will she earn in a month.

Answers

Answer:

46.3 hours of work to break even.

$1036.8 per month (4 weeks)

Step-by-step explanation:

First let's find how much Susan earns per hour.

She earns $0.004 per word, and she does 90 words per minute, so she will earn per minute:

0.004 * 90 = $0.36

Then, per hour, she will earn:

0.36 * 60 = $21.6

Now, to find how many hours she needs to work to earn $1000, we just need to divide this value by the amount she earns per hour:

1000 / 21.6 = 46.3 hours.

She works 4 hours a day and 3 days a week, so she works 4*3 = 12 hours a week.

If a month has 4 weeks, she will work 12*4 = 48 hours a month, so she will earn:

48 * 21.6 = $1036.8

Answer:

46.3 hours of work to break even.

$1036.8 per month (4 weeks)

Step-by-step explanation:
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