MATHEMATICS MIDDLE SCHOOL

Which of these numbers is in the solution set of x – 15 = 5? A. 10 B. 3 C. 20 D. –10

Answers

Answer 1

Answer:

Answer:

C. 20

Step-by-step explanation:

Your main goal is to isolate X to find your answer. To do that, bring the -15 to the other side. Then it would be x =20

Answer 2

Answer:

Answer:

Step-by-step explanation:

15 x 3 is 15

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Helpp!! :Edith babysits for x hours a week after school at a job that pays $4 an hour. She has accepted a job that pays $7 an hour as a library assistantworking y hours a week. She will work both jobs. She is able to work no more than 16 hours a week, due to school commitments. Edith wants to earn at least $80 a week, working a combination of both jobs.
write an inequality to represent this

Answers

x + y ≤ 16
4x + 7y ≥ 80

Four more than the price,p

Answers

p +4
four more than the price p is just p +4

Ed is a car salesman. he makes 1.5% commission on each car he sells. if he made $397.50 on the last car he sold,find the sales price of the car.

Answers

Answer:

$26,500.

Step-by-step explanation:

It is given that Ed is a car salesman. he makes 1.5% commission on each car he sells.

He made $397.50 on the last car he sold.

We need to find the sales price of the car.

Let x be the selling price of the car.

1.5% of x = $397.50

$x* (1.5)/(100)=397.50$

$0.015x=397.50$

Divide both sides by 0.015.

$x=(397.50)/(0.015)$

$x=26,500$

Therefore, the sales price of the car is $26,500.

A company logo is a white square inside a red square. The side length of the white square is x+2. The side length of the red square is three times the side length of the white square. What is the area of the red part of the logo? Write your answer in standard form.

Answers

The problem says that the company logo is square in shape, therefore ithas an area of the side of of it multiplied by itself. you also have two squares,the white square inside the red square. You are given the side of the whitesquare as x + 2 and the side of the red square as 3(x + 2). This can be solvedthrough ratio and proportion.

A (white square) = (x + 2)^2
A (red square) = [3(x +2)]^2

A (red square)/A (white square) = [3(x +2)]^2/(x + 2)^2
A (red square)/A (white square) = 3^2 = 9

Final answer:

The area of the red part of the logo is found by subtracting the area of the white square from the area of the red square. The side length of the white square is given as x+2 and the side length of the red square is three times the length of the white square. This gives us the formula for the area of the red part as [3(x+2)]² - (x+2)².

Explanation:

To solve this problem, you need to find the difference between the area of the red square and the white square which will give you the area of the red part of the logo.

Firstly, we are given the side length of the white square is x+2 so the area of the white square would be (x+2)².

Secondly, the side length of the red square is three times the side length of the white square, so it would be 3(x+2). Hence, the area of the red square would then be [3(x+2)]².

Therefore, the area of the red part of the logo (which is the difference between the area of the red square and the white square) would be [3(x+2)]² - (x+2)².

Learn more about Area of Squares here:

brainly.com/question/33403734

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three snack bars contain 1/5,0.22,and 19% of their calories from fat. which snack bar contains the least amount of calories from fat ?

Answers

Answer:

The answer is 19%

Step-by-step explanation:

In order to determine the snack bar with lowest calories from fat, we have to express the three values in a same notation way.

First value is expressed in fraction, second one in decimal and the last one in percentage.

Which one is the easiest way? The easiest way is in percentage notation because we only have to multiply the value by 100.

So, the values $(1)/(5)$ and $0.22$ will be multiplying by 100. The last value is already in percentage notation.

Then:

$(1)/(5)*100=20$ %

$0.22*100=22$ %

$19$ %

Finally, the snack bar, that it contains the least amount of calories from fat, is the last one with 19%.

19% becuze .22 is 22% and 1/5 is 20%

Chloe answered 35 of the 60 questions correctly. Express this amount as a percent and as a decimal

Answers

Answer:

0.583

58.3%

Step-by-step explanation:

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A deli receives a large order for sandwiches for a company picnic. The company wants one club sandwich and two regular sandwiches for each person. The company also wants an extra Dagwood sandwich. A club sandwich has 3 slices of bread. A regular sandwich has 2 slices. A Dagwood has 5 slices.If there are n people going to the company picnic, how many slices of bread does the deli need to make this order? Write your answer as a fully simplified expression. Your answer should have the variable n in it exactly once.