Mathematics Middle School

A music store bought a CD set at a cost of ​$10. When the store sold the CD​ set, the percent markup was 30​%. Find the selling price.
PLEASE EXPLAIN THXS HOOMAN

Answers

Answer 1
The selling price is $13.

First, you multiply the percent by the original price. 
$10 *.30 = $3

Then, add the above answer to the original price to get the new selling price. 
$10 + $3 = $13


Related Questions

(1.0395)(10)^9 in standard notation

Answers

1.0395  *10^9

Hope that Helps!

Would appreciate for brainiest answer.
1.0395(10)6^9 or 1.039500000

A carpenter uses 65 shelves to make 13 bookcases. She uses the same number of shelves for each bookcase. Are 32 shelves enough to build 6 more bookcases.

Answers

Hello There!

First work out the number of shelves per bookcase:
65/13 = 5
It is 5 shelves per bookcase.
6 x 5 = 30.
Therefore 32 shelves are enough to make 6 bookcases.

Hope This Helps You!
Good Luck :) 

- Hannah ❤
65/13 = 5

6 x 5 = 30

yes, it is enough 

Reggie lost 4 spaceships in level 3 of a video game. He lost 30 points for each spaceship. When he completed level 3, he earned a bonus of 350 points. By how much did his score change?

Answers

his score changed by 320. to get the answer, just subtract 30 from 350 and you get 320.
He lost 4 spaceships, each subtracting 30 points

4(-30) = -120

On completing, he earned a bonus of 350 points
0 + 350 = 350

Subtract the amount of points he lost from the bonus

350 - 120 = 230

His score has a positive 230, or x (total points he gotten) plus the bonus

x + 230

hope this helps

The length of a rectangle is 24 units. Can the perimeter x of the rectangle be 60 units when the width y is 11 units

Answers

yes it can hope it helps you if not sorry

I am an odd number, I am less than 100, the sum of my digits is 12, I am a multiple of 15. What number am I

Answers

Final answer:

The number is 75, which satisfies all given conditions: it is an odd number, less than 100, a multiple of 15, and the sum of its digits is 12.

Explanation:

To find an odd number that is a multiple of 15, less than 100, and has a sum of digits that equals 12, we must first consider that multiples of 15 end with a 5 or 0. Since the number is odd, it must end with a 5. Additionally, the number must be less than 100, so we are looking for a two-digit number.

We know the sum of the digits is 12, and since the last digit is 5, the first digit must be 7 to reach a sum of 12 (7+5=12). This means the number we are looking for is 75, which is indeed a multiple of 15, less than 100, has a sum of digits equal to 12, and is an odd number.

Nic bought 12 pens for 2$ each and 12 pads of paper for 3$ each. Write two expressions for how Nic could calculate his total. Write one expression in expanded form and one in factored form.

Answers

when pens is x and pads are y: x+y=24, and 12(3)+12(2)=total. I hope that will help you get started.
I agree, that’s the anwser

Put in order from greatest to least: 0.6, 71%, 5/6, 56%.

Answers

56%, 0.6, 71%, 5/6 hope it's right

Find the equation of a line that is parallel to the line x= -14 and contains the point (-4,2)

Answers

Two lines that are parallel have the same slope.

The given line, x = -14, is a vertical one.  Its slope (rise/run) is undefined due to division by zero.  Any line parallel to x = -14 is also vertical.  Since the new line goes through (-4,2), the equation of the new line is x = -4.
Final answer:

The equation of the line that is parallel to x = -14 and passes through the point (-4, 2) is x = -4.

Explanation:

The line x = -14 is a vertical line. Any other line parallel to it would also be a vertical line. The equation of a vertical line in the 2-dimensional coordinate space takes the form x = k, where k is a constant. To find the equation of a line that is parallel to x = -14 and passes through the point (-4, 2), we just need to substitute the x-coordinate of the point into the equation, resulting in x = -4.

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Liz earns a salary of $2100 per month, plus a commission of 5% of her sales. Se wants to earn at least $2400 this month. Write an inequality to find amounts of sales that will meet her goal. Identify what your variable represents.

Answers

2100 + 0.05(x) >= 2400
(greater than or equal to)
X represents her sales

At a discount furniture store, chris offered a salesperson $600 for a couch and a chair that offer includes the 8% sales tax if the salessperson accepts the offer what would would be the price of the furniture to the nearest dollar before tax

Answers

600 - 8%
600-0.08=552

600/ 1.08 = 555.56

round to nearest dollar = $556 before tax

What is the sum of the integers between √22 and √78 ?

Answers

I got 13.5 (rounded) hoped I helped you out

What is the value of 3x - 12y if x= - 2/9 And y= 4 1/6

Answers

3x-12y
x=-2/9
y=25/6
3(-2/9)-12(25/6)=-152/3=-50.666666....

47 1/3 I think. Hope I'm right

if bananas are 0.59 per pound. what is the constant of proportionality

Answers

The constant proportionality is the proportionality of 59
Because it is the price you just move the decimal point two places over to the left
If you do this right you will get .59

Hope I helped :)

(-20)-4.6n=-2.3n+16.8
SHOW YOUR WORK

Answers

Let's solve your equation step-by-step.−20−4.6n=−2.3n+16.8Step 1: Simplify both sides of the equation.−20−4.6n=−2.3n+16.8−20+−4.6n=−2.3n+16.8−4.6n−20=−2.3n+16.8Step 2: Add 2.3n to both sides.−4.6n−20+2.3n=−2.3n+16.8+2.3n−2.3n−20=16.8Step 3: Add 20 to both sides.−2.3n−20+20=16.8+20−2.3n=36.8Step 4: Divide both sides by -2.3.−2.3n−2.3=36.8−2.3n=−16Answer:n=−16

Solve for q. 16−3q=10 Enter your answer in the box.

Answers

the answer to this problem is q=2
The answer is -2.
10-16=-6, 16÷3=-2, q=-2. Hope this helped :)

what is to 20 ≥ 4/5w

Answers

20 ≥ 4/5w
w<= 20 (5/4)
w <= 25

hope it helps
Final answer:

The inequality 20 ≥ (4/5)w represents a comparison between a number and a variable multiplied by a fraction. To solve it, you isolate the variable. The solution is w <=25.

Explanation:

The inequality 20 ≥ (4/5)w represents a mathematical statement comparing a number, 20, with a variable, w, multiplied by a fraction, 4/5. The inequality sign, ≥, indicates that 20 is greater than or equal to the result of the multiplication. To solve this inequality, you need to isolate the variable on one side of the inequality sign.

To get rid of the fraction, multiply both sides of the inequality by the reciprocal of 4/5 which is 5/4. This gives you (5/4) * 20 ≥ (5/4) * (4/5)w which simplifies to 25 ≥ w.

Therefore, the solution to the inequality is w <=25.

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on the highway Anita drove an average speed of 60.2 miles per hour at that speed about how far can she travel in three and a half hours at the same speed about how many hours will it take if needed to drive 400 miles

Answers

6. 64 hours so about 7 hours if you need to round up


hope this helps


please thank me

|4- 3X|=10 please help me

Answers

The answers are -2 and 3/14. when you do it the first time solve the equation normaly. the second time switch the sign of the left side. so it would be =-10 instead of positive 10.

How do you Simplify this expression

-12 ÷ 3 x (-8 + (-8) - 6) + 2

Prepare you response to this question when you are ready you may submit your response

Requirements: include various key words you learned within this unit.
list your steps in order so that anyone can follow

Answers

Use the order of operations in order to simplify (solve) the expression

-12 ÷ 3 x (-8 + (-8) - 6) + 2      Original expression
-12 ÷ 3 x (-16- 6) + 2              Inside the parenthesis do the addition of the first negatives. -8 +-8 = -16
-12 ÷ 3 x (-22) + 2                 Inside the parenthesis subtract -16-6 = -22
-4 x (-22) + 2                       Multiplication and division is worked from left to right. -12 divided by 3 is -4
88 +2                                  Multiply -4 x -22 = 88. Two negatives make a positive with multiplication.
90                                       Addition 88 + 2 = 90
The expression must be simplified using the order of operations. In this case, the terms inside the parenthesis should be simplified first. Within the parenthesis, there is a nested parenthetical term, which is simplified before the rest of the term inside the parenthesis. The +(-8) term simplifies to -8. The terms inside the parenthesis then become (-8-8-6), which is equal to -22. Then, multiplication and division are performed next, in order as they appear. So -12/3 is equal to -4. Then, -4 is multiplied by the -22 from the parenthetical expression to equal 88. Then, addition and subtraction are the final steps in the order of operations, so the 2 is added to the 88, for a total of 90.

An outlier always affects the mean.true or false

Answers

This statement would be True
false because it just doesn't make sense

What is the simplified fraction form of -1/4 x (-6/11)

Answers

the answer is 3/22

Hope this helps

What is the domain of the function on the graph?

Answers

all real numbers greater than or Equal to -2

Write an expression for the perimeter of the triangle shown below:

A triangle is shown with side lengths labeled 2.3x plus 14, 2x, and negative 0.2x plus 15.

4.1x + 29
4.1x − 29
4.5x + 29
4.5x − 29

Answers

4.1x +29

Hope this helps!! :)

which expression is equivalent to the expression shown? exponent: 3 -3
a. -27 b.27 c. -1/27 d. 1/27

Answers

3^(-3) = 1/3^3 = 1/27

The distance between bills house and his aunts house is 485 miles about how many miles would bill drive if he made 4 round trips from his house to his aunts house

Answers

He would have made 1,940 miles in total

Answer:

3880 miles

Step-by-step explanation:

Distance between Bill's house and his Aunt house = 485 miles

Distance traveled in one round trip = two times the distance between the Bill's house and his Aunt house

Distance traveled in one round trip = 2 x 485 = 970 miles

So, the distance traveled in 4 round trip = 4 x 970 = 3880 miles.

Thus, the distance traveled by teh bill in 4 round trips is 3880 miles.

What is 20/100 as a fraction

Answers

This is already a fraction??! All you can do is write as a simpler fraction, by dividing numerator and denominator by 20, then you get 1/5
20/100 is a fraction but if you wanted to simplify it it would be 1/5

Sally did some counting look at her work explain why you think sally counted this way 177,178,179,180,190,200,220,211,212,213,214

Answers

The first and last four numbers each have a difference of one between them. The fifth number has a difference of 10 between it and the previous number. The middle number has a difference of 20 between itself and the two numbers that surround it. Counting in this way could have been a result of a lot of things to count, and spot checking along the way (when the numbers have a difference of 1).

Find x value for the point that splits segment CD in half if point C is located at (−2, 4) and point D is located at (3, 7).

Answers

The x value is 1/2, or 0.5

Just use the midpoint formula
(x2+x1)/2 , (y2+y1)/2

to find the midpoint. The x value would be (x2+x1)/2, so plug in the numbers.
(-2+3)/2 = 1/2

Answer:

[tex]\text{The x value for the point that splits segment CD in half is }\frac{1}{2}[/tex]

Step-by-step explanation:

Given two points C(-2,4) and D(3, 7)

we have to find the value of x-coordinate for the point that splits segment CD in half.

By mid-point formula,

The coordinate of mid-point of line segment joining the points (a,b) and (c,d) are [tex](\frac{a+c}{2}, \frac{b+d}{2})[/tex]

Coordinates of mid-point joining the points C(-2,4) and D(3, 7)

[tex](\frac{-2+3}{2},\frac{4+7}{2})[/tex]

[tex](\frac{1}{2},\frac{11}{2})[/tex]

[tex]\text{The x value for the point that splits segment CD in half is }\frac{1}{2}[/tex]

Write each fraction as a decimal. Then identify each decimal as terminating or repeating.

Answers

1/6 = 0.16
1/8 = 0.125
1/11 = 0.09
2/9 = 0.22
4/5 = 0.8
5/9 = 0.56
1/2 = 0.5
7/9 = 0.78

Describe the solutions of 4 + n > −2 in words.

The value of n is a number less than −6.
The value of n is a number greater than or equal to −7.
The value of n is a number equal to −7.
The value of n is a number greater than −6.

Answers

Final answer:

The solution to the inequality 4 + n > -2 is n > -6. This means the value of n can be any number that is greater than -6.

Explanation:

The inequality 4 + n > -2 can be solved to find the solution for 'n.' Start by subtracting 4 from each side of the inequality to isolate 'n.'

Here's the step-by-step calculation: 4 + n > -2 becomes n > -6 when we subtract 4 from both sides.

So, the value of n is any number that is greater than -6. In other words, n can be just a little bit more than -6, -6.01 for example, or it can be a much larger number, like 1, 100, or 1000, etc.

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