Mathematics Middle School

convert a 30% markup percent on cost to markup percent on selling price. (round to the nearest hundredth percent)

Answers

Answer 1
40 percent i hope this helps

Answer 2

Answer:

23.08 %

Step-by-step explanation:

Markup price is the difference between the selling price and cost price of an item.

m = Markup = 30

s = Selling price = 130

[tex]\text{Markup percent on selling price}=\frac{m}{s}\times 100\\\Rightarrow \text{Markup percent on selling price}=\frac{30}{130}\times 100\\\Rightarrow \text{Markup percent on selling price}=23.08\ %[/tex]

∴ Markup percent on selling price is 23.08 %

Related Questions

Helen used 1/4 of her savings for her first year of college. 3/8 of that money was spent on her housing and meals. Which equation shows the fraction of her total savings that was spent on her housing and meals?

Answers

3/32
just multiply the fractions

Answer:

3/32

Step-by-step explanation:

Ginny is studying a population of frogs. She determines that the population is decreasing at an average rate of 3% per year. When she began her study, the frog population was estimated at 1,200. Which function represents the frig population after years?

Answers

f(x)=1,200(0.97)x this is an equation

Is 3/8 equal to 3/16 why or why not

Answers

no because when put them in a decimal it will be different
No, 3/8 does NOT equal 3/16

if you divide 3 and 8

3/8 = 0.375

if you divide 3 and 16

3/16 = 0.1875

0.375 ≠  0.1875

3/8 does not equal 3/16

hope this helps

a rectangular prism has a length of 15 1/4 centimeters, a width of 8 centimeters, and a height of 2 1/4 centimeters. Enter the volume of the prism as a mixed number in simplest form in the box.

Answers

274 1/2 cm

Hope this helps!
Answer:

l = 15.25 cm
w = 8 cm
h = 2.25 cm
d = 17.3674 cm
S = 348.625 cm²
V = 274.5 cm³ = 274 1/2 cm³

What is the measure of ∠DEG? A) 133° B) 103° C) 77° D) 67°

Answers

77° is the answer to your question

Solve 3,4,5 for brainiest

Answers

Hello there!

3. The questions asks for the amount of simple interest. The formula for simple interest is prt, where p = principal, r = rate, t = time. In this case, we are talking about 3 of them. 25,000 * 3 is 75,000. Now, let's multiply that number by 3% to find the amount of interest. 75,000 * 3% (0.03) is 2,250. Because this is only for one year, the number remains the same, so we don't have to multiply anything. There. The Branson family earns $2,250 in interest in one year. The answer is C.

4. Okay. For this inequality, we already have it set up. All we have to do is divide each side by 4 to isolate the x. 4x/4 cancels out. 22/4 is 5.5. There. x ≥ 5.5. The answer is B.

5. For this one, she hits the ball 22% of the time. To find out how many hits she will make, all you have to do is multiply the times at bat by 22%. In this case, she's at the bat 50 times. 50 * 22% (0.22) is 11. There. She will get about 11 hits. The answer is A.

Which of the following should be used to show relationships, organize information, and solve problems?

box-and-whisker plots
bar graphs
pictographs
Venn diagrams

Answers

I belive that it is a Venn Diagram, don't quote me on that though.

Answer:

Venn Diagrams

Step-by-step explanation:

Venn diagram: a diagram that uses circles and a rectangle to show the relationships that exist between different sets

Venn diagrams are used to organize information and solve problems.

The amount of data left on a cell phone plan is 6GB after 8 days. 1.5 GB is used every day. How much is available at the beginning of the cycle?

Answers

All we have to do is add 1.5 GB per day times the 8 days that's already happened to the current 6 GB, and so it looks like this:
8(1.5)+6
12+6
18 GB at the beginning of the cycle

HELP ASAP PLEASE WILL GIVE BRAINIEST


Answers

The answer is A because if 1 pound us 16 ounces then 5 pounds is x amount of ounces
if 1 pound..........................................16 ounces
    5 pounds...........................................X ounces
x*1=5*16
is choice A
1/16=5/x

True or false? The decimal number 25.33 is an example of a terminating decimal

Answers

Answer:

True

Step-by-step explanation:

we know that

A terminating decimal is a decimal that ends. It's a decimal with a finite number of digits

so

In this problem

The number [tex]25.33[/tex] is a decimal with a finite number of digits

therefore

The answer is True

Answer:

the answer is true :D

Step-by-step explanation:

Reiki has 3/4 of a gallon of milk. She drinks one-third of the milk. How much milk does she drink?

Answers

It should be 1/4 because one third of three fourths is one fourth. I hope this helps!
Of means to multiply.

Do 3/4 x 1/3 to get 3/12, which can be simplified into 1/4

Eddie has m muffins. He splits them evenly among 9 boxes. Write an expression that shows how many muffins are in each box.

Answers

The expression is m/9 because it is the amount of muffins split into 9 boxes
Final answer:

To find out how many muffins are in each box, divide the total number of muffins by the number of boxes. There would be 5 muffins in each box if Eddie has a total of 45 muffins.

Explanation:

To write an expression that shows how many muffins are in each box, we can divide the total number of muffins by the number of boxes. Let's call the total number of muffins 'm' and the number of boxes '9'. The expression would be:

m ÷ 9

For example, if Eddie has 45 muffins, substituting 'm' with 45 in the expression would give us:

45 ÷ 9 = 5

Therefore, there would be 5 muffins in each box if Eddie has a total of 45 muffins.

Three different rectangles have an area of 20. What are the possible whole-number dimensions of the rectangles?

Answers

L = 20 W = 1
L = 10 W = 2
L = 5 W = 4

Study this carefully. It's a good problem to know how to do. The ancients solved problems by using this method. They started with biggest number they could on the left and multiply each number on the right as they went down (in this case by 2).

If there are 500 marbles in the bag, how many are most likely green?

Answers

160 of the marbles will be green.
It should be B hope it helps :)

Jerry mixes the letter F P M M M D P and J thoroughly. Without looking, Amanda draws one letter. Expressed as a fraction, decimal, and percentage, what is the probability that j will not be the letter Amanda selects

Answers

there are 8 letters total and 1 is J
 so 7/8 probability of not picking the J

Fraction: 7/8
decimal: 0.875
percentage: 87.5%


The Probability of that 'j' will not be selected by Amanda in  Fraction is [tex]\frac{7}{8}[/tex]

The Probability of that 'j' will not be selected by Amanda in  Decimal is 0.875

The Probability of that 'j' will not be selected by Amanda in  Percentage is 87.5%

What is Probability ?

Probability is a "Possibility, that deals with a Occurrence of Random event".

According to the question,

Sample Space n(s) = 8

Number of Favourable Events (Amanda will not be Select 'j' letter) = 7.

Formula to find Probability of an event = [tex]\frac{Number of Favourable Events }{Total number of events}[/tex]

=[tex]\frac{7}{8}[/tex]

The  Probability of Amanda will not be Select 'j' letter = [tex]\frac{7}{8}[/tex]

Hence,

In Fraction, the Probability of Amanda will not be Select 'j' letter =[tex]\frac{7}{8}[/tex]

In Decimal, the Probability of Amanda will not be Select 'j' letter = 0.875

In Percentage, the cof Amanda will not be Select 'j' letter

= [tex]\frac{7}{8}[/tex] × 100 = 87.5%.

To learn more about Probability here

https://brainly.com/question/8969579

#TAG#SPJ2

How do you simplify 3(5 - 3x + 10y - 6z)

Answers

Since you can't simplify or combine any of the values inside the parenthesis, you'd use the distribution property to solve this:

15 - 9x + 30y - 18z

This would be the most simplified form.

Hope this helps!
You would take the number outside of the parentheses and multiply it to the numbers inside. The answer would be
15-9x+30y-18z

Jay made a name tag that was 15.24 centimeters long. What is the length of the tag in millimeters?

Answers

1cm = 10mm

15.24cm x 10 = 152.4mm

Hope this helps!!!
15.24 cm = 152.4
152.4 millimeters

Jay borrows $8,000 at a rate of 1.9% interest per year. What is the amount due at the end of 6 years if the interest is compounded continuously?

$8,965.21
$10,027.21
$8,966.02
$25,014.15

Answers

it's C 8,966.02 hope that helps

Answer:

C


Step-by-step explanation:


Help me please I beg u

Answers

it's to blurry I can't see it well
First of all, multiply (4x^2+2y) and (3x+y^2)

(4x^2+2y)(3x+y^2)

12x^3+4x^3y^2+6xy+2y^3

Now find the 'xy' term. It is 6xy, so what is the coefficient in 6xy?

6 is the answer.



Best of luck!

what is the gcf of b3+5b2-20b

Answers

gcf= b. That way when you take out b you'll end up with b(b^2+5b-20b).

EXPERTS AND ABOVE ONLY

Need help for my friend for his 6th grade math. I have my own homework to work on right now, but i really want him to be able to get help.

Answers

1. This must be greater than or equal to 0 (there can't be any negatives!)
8 - .5t ≥ 0.
8 ≥ .5t 
t ≤ 16
D. 

2. 4(2x-1) = 2x + 35
8x - 4 = 2x + 35
6x = 39
x = 6.5
H.

3. c = .8(x-15) = .8x-12
A.

4. m = number of marble cupcakes
s = number of strawberry shortcake cupcakes

6m + 8.5s = 391
m = 1/2s
6(.5s)+8.5s = 391
11.5s = 391
s = 34
m = 17
F.

5. B
6. Use substitution
2x + 3x = 10
5x = 10
x = 2

7.  (sorry I'm not sure!)

8. G
9. L = number of balls
B = number of bats
L + B = 100
B = 100 - L
4.5L+20B = 822
4.5L + 20(100-L) = 822
4.5L -20L + 2000 = 822
1178 = 15.5L
L = 76

10. J

If an atom loses a neutron, what happens to the overall electric charge

Answers

the atomic mass lowers

Alright, this is really simple:

For atoms, all you need to know this. You have a nucleus, which is compromised of protons and neutrons. Electrons orbit the nucleus.

Protons have a positive charge of +1
Neutrons have a neutral charge
Electrons have a negative charge of -1

Now, neutrons are part of the nucleus, meaning they add overall mass/weight to the atom. If you were to take one of these away, it would STILL be the same element. Elements are defined truly by their protons, not neutrons. 

So, take away a single neutron, the mass will lower, but it would still be the same element.

~Hope this helps!


Ashley recently opened a store that sells only natural ingredients. She wants to advertise her products by distributing bags of samples in her neighborhood. It takes one person 222 minutes to prepare one bag. How many hours will it take to prepare 900900900 bags of samples if Ashley and 555 of her friends do the work?

Answers

Are these number accurate? 

It takes, 2, minutes to prepare one bag. If Ashley works alone, it will take her 900 bags× 2 minutes each =1800 minutes to prepare the bags.

Since there are 60 minutes in an hour, that's the same as 1800/60 which equals to 30 hours. If there are 6 people sharing Ashley's work Ashley + 5 friends the work will be finished 6 times as fast.

A team of 6 people can finish the job 30/6 which equals 5


A common computer programming rule is that names of variables must be between one and eight characters long. The first character can be any of the 26​ letters, while successive characters can be any of the 26 letters or any of the 10 digits. For​ example, allowable variable names include​ A, BB, and M3477K. How many different variable names are​ possible? (Ignore the difference between uppercase and lowercase​ letters.)

Answers

This question is dealing with combinations and permutations. We need to ask: does the character depend on the value of the character before? If it does we have permutations and we add number of possible characters. If it does not we have combinations and we multiply number of possible characters. This dependance means: can we choose same character again?

In our case it does not depend and we have combinations.

One character name:
Number of combinations = 26

Two characters name:
Number of combinations = 26*36

Three characters name:
Number of combinations = 26*36*36

Four characters name:
Number of combinations = 26*36*36*36

Five characters name:
Number of combinations = 26*36*36*36*36

Six characters name:
Number of combinations = 26*36*36*36*36*36

Seven characters name:
Number of combinations = 26*36*36*36*36*36*36

Eight characters name:
Number of combinations = 26*36*36*36*36*36*36*36

To find out how many different variable names are​ possible we need to add these numbers:
26 + 26*36 + 26*36*36 + 26*36*36*36 + 26*36*36*36*36 + 26*36*36*36*36*36 + 26*36*36*36*36*36*36 + 26*36*36*36*36*36*36*36 =
= 26 + 936 + 33696 + 1213056 + 43670016 + 1572120576 + 56596340736 + 2037468266496 =
= 2095684645538

The total number of different variable names possible is approximately 2,096,883,896,418.

To calculate the number of possible variable names, we need to consider the constraints on the variable names:

1. The first character must be one of the 26 letters.

2. Each subsequent character can be either one of the 26 letters or one of the 10 digits, totaling 36 possible characters (26 letters + 10 digits).

We need to consider variable names of lengths from 1 to 8 characters. We'll calculate the number of possible variable names for each length and then sum them.

1. For a 1-character name:

  - There are 26 possible names (one for each letter).

2. For a 2-character name:

  - The first character has 26 options.

  - The second character has 36 options.

  - Total for 2 characters: [tex]\(26 \times 36\)[/tex].

3. For a 3-character name:

  - The first character has 26 options.

  - Each of the second and third characters has 36 options.

  - Total for 3 characters: [tex]\(26 \times 36 \times 36\)[/tex].

4. For a 4-character name:

  - The first character has 26 options.

  - Each of the second, third, and fourth characters has 36 options.

  - Total for 4 characters: [tex]\(26 \times 36 \times 36 \times 36\)[/tex].

5. For a 5-character name:

  - The first character has 26 options.

  - Each of the second, third, fourth, and fifth characters has 36 options.

  - Total for 5 characters: [tex]\(26 \times 36 \times 36 \times 36 \times 36\)[/tex].

6. For a 6-character name:

  - The first character has 26 options.

  - Each of the second, third, fourth, fifth, and sixth characters has 36 options.

  - Total for 6 characters: [tex]\(26 \times 36 \times 36 \times 36 \times 36 \times 36\)[/tex].

7. For a 7-character name:

  - The first character has 26 options.

  - Each of the second, third, fourth, fifth, sixth, and seventh characters has 36 options.

  - Total for 7 characters: [tex]\(26 \times 36 \times 36 \times 36 \times 36 \times 36 \times 36\)[/tex].

8. For an 8-character name:

  - The first character has 26 options.

  - Each of the second, third, fourth, fifth, sixth, seventh, and eighth characters has 36 options.

  - Total for 8 characters: [tex]\(26 \times 36 \times 36 \times 36 \times 36 \times 36 \times 36 \times 36\)[/tex].

Now we sum these values to get the total number of possible variable names:

[tex]\[\begin{aligned} \text{Total} = & \ 26 + 26 \times 36 + 26 \times 36^2 + 26 \times 36^3 \\ & + 26 \times 36^4 + 26 \times 36^5 + 26 \times 36^6 + 26 \times 36^7\end{aligned}\][/tex]

Calculating each term separately and summing them:

[tex]\[\begin{aligned} & 26 = 26 \\ & 26 \times 36 = 936 \\ & 26 \times 36^2 = 33,696 \\ & 26 \times 36^3 = 1,213,056 \\ & 26 \times 36^4 = 43,669,056 \\ & 26 \times 36^5 = 1,572,085,056 \\ & 26 \times 36^6 = 56,595,062,016 \\ & 26 \times 36^7 = 2,038,722,232,576\end{aligned}\][/tex]

Summing these:

[tex]\[\begin{aligned} \text{Total} = & 26 + 936 + 33,696 + 1,213,056 + 43,669,056 \\ & + 1,572,085,056 + 56,595,062,016 + 2,038,722,232,576 \\ \approx & 2,096,883,896,418\end{aligned}\][/tex]

The equation y = x + 1 defines the relationship between x and y, where x is the input and y is the output. Which statements about the graph of this relationship are true? Select two that apply.

A.The graph is a curved line.
B.The graph is a straight line.
C.the graph is a vertical line.
D.The graph represents a function.
E.The graph has no negative outputs.
F.The graph passes through the origin.

Answers

The graph is a straight line because y = x + 1 has a slope of 1 (and it's not changing so it can't be curved, neither is it ∞ so it can't be vertical).  This graph does not pass through the origin because it has a + 1 at the end. It is a function because no input matches to 2 different outputs. It also has negative outputs because what if x was -50.

All in all, your answers are B and D.
Hey there!

Let's go through all of our options.

A) It's defintely not curved; it's written in slope intercept form and is indeed a straight line.

B) Yes, the graph is a straight line. Although it's at an angle, it has no curves or flaws, and is completely straight.

C) The graph is not vertical. It has a y intercept and slope and therefore isn't. That's because it has a rate of change, and it crosses the y axis at some point depending on the slope, or rise over run. Vertical lines really don't have that.

D) Yes, the graph is a function. This is because it does not have two x values for one y, and does not fail the straight line test, which states that you can place a straight line anywhere on the graph and it can only go through one point.

E) This is false. If we put in -5 as our input, we add 1 and get -4, which is a negative output. Your output here depends on the input you put in, and the sign usually remains considering it's +1.

F) This graph does not pass through the origin. This is because the origin has a point at 0,0 and since it's x+1, it would be 0,1 instead because your output is adding one to that 0.

Hope this helps!

What is the value of −6a−3b2 for a = −2 and b = 4?

A. 768
B. 12
C. −12
D. −768

Answers

Good thing you said something about that.
- 6 * (-2)^-3 * 4^2
- 6/-8 * 16
3/4 * 16 
12  
B <<<<<======= Answer
B I believe your answer is B I’m sorry if I’m wrong

There are 16 students in the school play. One fourth of the students are wearing yellow costumes. Six students are wearing purple costumes. The remaining students are wearing orange costumes. How many students wearing orange costumes?

Answers

There are 16 students total.
1/4 (4 students)--> Yellow Costumes
6 students--> Purple Costumes
(?) students--> Orange Costumes.


We know that one fourth of the students is 4 students by doing simple division.
6 students are wearing purple costumes. 
Add these together.
4+6 = 10


The remaining students are wearing orange costumes.
There are 6 students remaining.
Therefore, 6 students are wearing orange costumes.

Answer: 6 Students

4 wearing Yellow

6 wearing purple

6 wearing orange

6 plus 4= 10 plus 6= 16


hope this helps :)

How many eighth-size parts do you need to model 3/4

Answers

8 divided by 2 is 4, so multiply 3/4 by 2, 6/8, than you have your answer, 6.

What is the area of this trapezoid? 50 in² 108 in² 126 in² 192 in² Trapezoid A B C D with parallel sides D C and A B. Points F and E are between D and C. F E B A form a rectangle with 4 right angles. D F is 2 inches, F E is 12 inches, E C is 2 inches, A B is 12 inches., and E B is 9 inches.

Answers

The answer is 126 i hope this helps!

Answer: 126 square inches

Explanation:

Trapezoid is a quadrilateral , shape with straight sides that has a pair of opposite sides parallel.

I already attached the image of trpazoid.

Now find the area of trapazoid.

We have a formula to find the area of trapezoid.

Area of trapezoid = [tex] \frac{a + b}{2} h [/tex]

where a & b are the parallel side ( here "a" represent the upper side and "b" represent the base)

h is the height of the trapezoid (always remember heigth is the perpendicular distance)

now a = 12 inches (AB)

b = 2 + 12 + 2 (CD = CE + EF + FD) = 16 inches

h = 9 (BE)

Now put all these values in the given formula

Area of trapezoid = [tex] \frac{12 + 16}{2} (9) [/tex]

= [tex] \frac{28*9}{2} [/tex]

= 14*9

Are of trapezoid = 126 sq in (3rd option is correct)


The side lengths of two different cubes are 35 cm and 42 cm. What is the ratio of the volume of the smaller to the volumes of the larger?

Answers

First we look for the result of the volume for both:
 the smaller:
 V1 = (35) ^ 3
 V1 = 42875 cm ^ 3
 the larger
 V1 = (42) ^ 3
 V1 = 74088 cm ^ 3
 Then, we have to:
 V1 / V2 = (42875) / (74088)
 V1 / V2 = 0.578703704
 Answer: 
 The ratio of the volume of the smaller to the volumes of the larger is:
 V1 / V2 = 0.578703704
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