Mathematics Middle School

Find the selling price. Round to the nearest cent for each 18-20

18. cost: $10 percent markup: 50%

19. cost: $28 percent markup: 25%

20. cost: $65 percent markup: 70%

Answers

Answer 1

Answer:

18: 15$

19: 35$

20: 110.50$

Step-by-step explanation:

18: A 50% markup would mean 5 dollars extra which makes it 15$

19: 25% of 28 would be an extra 7 dollars which makes it 35$

20: 70% of 65 would be 45.50 cents, adding this to 65 would make it 110.50$

Future help with percentages: When an item is marked up it would mean the percentage is multiplied by the initial value and then add the product with the initial value.

Related Questions

Who every answers this gets 100 points!!

And you have to be right!!!

Answers

Answer: is it 7

Step-by-step explanation: just by looking at the image it looks like answer would be 7

Please, help me with this!

Answers

Answer:

im not sure

Step-by-step explanation:1 half maybee

HELP
Which expression represents the sum of 2/3m - 1 1/6 and 5/6m - 1 1/3?
HOW DO I DO THIS??????

Answers

Answer:

-m+15/6

2/3m-5/3m-5/2

Answer: 1 5/6m - 2 1/2

Step-by-step explanation:

(2/3m - 1 1/6) + (5/6m - 1 1/3)

2/3m X 2 = 4/6m

4/6m + 5/6m = 11/6m=1 5/6m

-1 1/3 X 2 = -1 2/6

-1 2/6 - 1 1/6 = -2 1/2

1 5/6m - 2 1/2

what are the oz and which one is better?

Answers

Answer:

Step-by-step explanation:

13oz bottle of dish soap sells for 2.34

Answer: hope this helps ♡

The unit price of the 13 oz bottle is $0.18 per oz

The unit price of the 30 oz bottle is $0.53 per oz

The 13 oz bottle for $2.34 is a better deal.

Step-by-step explanation:

Unitary method: diving the number that you want to find out over the already known number. (just try to understand this lol) :)

13 oz = $2.34

13 oz bottle is $? per oz

[tex]\frac{2.34}{13}[/tex] = 0.18

1 oz = $0.18

(double check: 0.18×13=2.34)

30 oz = $15.90

30 oz bottle is $? per oz

[tex]\frac{15.9}{30}[/tex] = 0.53

1 oz = $0.53

(double check: 0.53×30=15.9)

The 13 oz bottle for $2.34 is a better deal.

Can Someone please help ?

Answers

Answer: The Answer would be-

4.83

Step-by-step explanation:

4 5/6 as a decimal is 4.83

4.8……………………………………………………………..

Please, help me with this!

Answers

Answer:

I believe the answer is B

Step-by-step explanation:

I think its B.

The correct alternative is: b) 7/16.

I apologize if this is incorrect. I hope you have a lovely day! :)

Find the perimeter of the figure below, in meters.

Answers

p=75.8meters

you need to add all of the sides together

Add all sides together

A B C or D??????????

Answers

Answer:

The correct answer is D

Step-by-step explanation:

there is no relationship

Answer:

Step-by-step explanation:

the length doesn't decrease nor increase the wingspan

You pay a processing fee and a daily fee to rent a beach house. The table shows the total cost of renting the beach house for different numbers of days. A. Can the situation be modeled by a linear equation? Explain. The situation can be modeled by a linear equation because the total cost increases at a constant rate. Question 2 b. What is the processing fee? the daily fee? The processing fee is $ and the daily fee is $. C. You can spend no more than $1200 on the beach house rental. What is the maximum number of days you can rent the beach house? days

Answers

Answer:

Step-by-step explanation:

can someone help me with this topic pls its hard to figure out.

Answers

Answer: 65.94 m^3

Step-by-step explanation:

The volume of a cone is [tex]\pi * r^2*h/3[/tex]

[tex]\pi = (3.14) || r^2 = (3^2)||h/3 = (7/3)[/tex]

Step 1. Simplify the expression. [tex]3.14 * 9*7/3[/tex]

Step 2. Multiply 9 * 3.14. [tex]28.26 * 7/3[/tex]

Step 3. Finish simplifying. [tex]28.26 * 7/3 = 65.94[/tex]

Answer:: 65.94 m^3

Step-by-step explanation:

help me pls,i dont understand this

Answers

Answer:

approx 314 m^3

Step-by-step explanation:

volume=pi r^2 h/3 => pi*5^2*12/3 =>3.14*25*4=314

Answer:

approx 314 m^3

Step-by-step explanation:

One solution of a quadratic equation is 8. What do you know about the quadratic equation? What are two ways you would know if a quadratic equation could have this solution?
(picture)

Answers

Answer:

factor it and see if one of those factors is x − 8 x-8 x−8 ...

Step-by-step explanation:

Therefore, if the quadratic equation has a solution of 8, then it must have a factor of. Since x − 8 x-8 x−8 must be a factor of any quadratic equation that has a solution of 8, the first way you could determine if a quadratic equation has a solution of 8 is to

Show work. Due in 5 hours.

Answers

Answer: 3 feet

Step-by-step explanation: It's simple if there is a 39-foot ladder going straight up and the house is 36 feet high back up 3 feet then angle the ladder a little bit and it meets at the point

Answer: 3 feet

Step-by-step explanation:

Original number of students: 56
New number of students: 77
Find the percent of change. Round your answer to the nearest tenth of a percent, if necessary.

Answers

Answer:Therefore, the percent change from 56 to 77 students is 37.5%.

Step-by-step explanation:

students, we can use the following formula:

percent change = ((new number - old number) / old number) x 100%

Plugging in the values given in the problem, we get:

percent change = ((77 - 56) / 56) x 100%

percent change = (21 / 56) x 100%

percent change = 0.375 x 100%

percent change = 37.5%

Therefore, the percent change from 56 to 77 students is 37.5%.

Answer: 37.5%

Step-by-step explanation:

You guys are annoying!

Answers

the reason for the annoying behavior that you see in us is because you do not understand us. if you were a proper weirdo, you would know this.

yay that is amazing congratulations

PLEASE HELP IM ALMOST OUTTA TIME 2

Answers

Answer: The answer is 32

Step-by-step explanation:

2(5)^2-2(5+4)

2 * 25 - 2(9)

50 - 18

put 5 where the x’ are, then use PEMDAS to answer. your answer would be 32.

I will give 20 points
pls help me

Answers

Answer:

Q1)A=2(wl+hl+hw)=2·(4·10+6·10+6·4)=248

Step-by-step explanation:

Hopefully this is the answer you are looking for.

The surface area is 24 square inches

Match the verbal expression with its algebraic expression. (10 points)

Group of answer choices
b + 2

[ Choose ]
x − 2

[ Choose ]
2z

[ Choose ]
a ÷ 2

[ Choose ]
y2

[ Choose ]

Answers

Answer:

Could you specify it more pls?

Step-by-step explanation:

you need to put the other options in order for this to be answered.

Angelica’s speed is 4 cm/minute, Monique’s speed is 3. 5 cm/minute, and Courtney’s speed is 5. 5 cm/minute. Which turtle will win the race? Explain your reasoning.

Answers

Answer:

C O U R T N E Y

Step-by-step explanation:

Look at their speed… meaning;

Angelica can run 4 cm per minute

Monique can run 3.5 cm per minute

And Courtney can run 5.5 cm per minute

The longest one is the fastest one

It says “per minute (/minute) which means courtney will win he can run to 5.5 cm in just a minute, but the others is slower than her

— — — —A

— — — -M

— — — — — - C

PLEASE ANSWER QUICK IM RUNNING OUTTA TIME!!!

Answers

Answer:

Step-by-step explanation:

4x^2 - 10

-----------------

Calculate the expression.

Let x = 5 and y = 6. Substitute into the expression.

4(5)^2 - 10

-----------------

Exponents first.

4(25) - 10

-----------------

Multiply next.

100 - 10

---------------

Calculate the numerator

-----

Divide the numerator by the denominator.

A sculpture is made of solid nickel in the shape of a cone. The sculpture is 84 inches tall, and its base has a diameter of 16 inches. If nickel costs $2.25 per cubic inch, how much did the nickel for the sculpture cost?

Use 3.14 for pi, and do not round your answer.

Answers

The total cost of the nickel for the sculpture is $12,660.48.

We know that the volume of a cone is:

v = 1/3πr²h ......(i)

where r ⇒ radius of the cone

h ⇒ height of the cone

Now, as per the question,

r = diameter/2 = 16÷2 = 8 inches

h = 84 inches

Putting the values in equation (i)

v = 1/3 × 3.14 × (8)² × 84

v = 5626.88 cubic inch

The cost given for nickel = $2.25 per cubic inch

So, the total cost for the nickel used in making the sculpture:

the volume of cone × cost per cubic inch

5626.88 × 2.25 = $12,660.48

Therefore, the total cost for the nickel used is $12,660.48

Answers

Answer:u thoght

Step-by-step explanation:

2 and 5/8 your welcomeee

The necklace charm shown has two parts, each shaped like a trapezoid with identical dimensions.
What is the total area, in square millimeters, of the charm?
Enter your answer in the box.

Answers

Answer:

855mm

Step-by-step explanation:

A = (b₁ + b₂)h / 2

A = (25mm + 32mm)(15 mm) / 2

A = 427.5 mm²

total area = (427.5 mm²)(2)

total area = 855 mm²

Answer:855mm

Step-by-step explanation: I took the test

What is the answer to this question

Answers

Answer:

Step-by-step explanation:

I think not possitive but i think it is the 3rd one hope im right

Please help me Solve −17=5w+3 .Also show steps how you solved it

Answers

Answer:

w = -4

Step-by-step explanation:

-17 = 5w + 3

Subtract 3 from both sides:

-20 = 5w

Divide 5 from both sides:

[w = -4]

Answer:

w= -4

Step-by-step explanation:

A pattern of triangular numbers is shown. The first is 1, the second is 3, the third is 6, and so on. The formula 0.5n2 + 0.5n can be used to find the nth triangular number. Is 50 a triangular number? Explain.
(picture)

Answers

Answer:

50 is not a triangular number

Step-by-step explanation:

1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 = 45

1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 =55

The way to calculate triangle numbers is to add the corresponding number.

For example, 1 is a triangle 1 + 2 is a triangle 1 + 2 + 3 is a triangle so on and so forth.

Triangle numbers would be 1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 66, 78, and 91

Whoever gets this right is A. Awesome and B. VERY SMART!

Martin and two of his friends take turns driving on a trip. The gas mileage for their car ranges from 29.26 to 25.01 miles per gallon. Each friend drives between 66 and 72 miles, so Martin estimates they will need about 6 gallons of fuel for their trip. Is this a reasonable estimate?

A. Yes, it is reasonable
B. No, it should be higher
C. No, it should be lower

Answers

Answer:

The answer would be B.

Step-by-step explanation:

Hope this helps! :)

the answer is c it’s should b lower

1. Consider this scatter plot.
Test Scores in Relation to Homework

Hours of Homework
(a) Is the relationship linear or not linear? Justify your response.
(b) Is the relationship increasing or decreasing?
(c) What is the domain and range of the data set?
(d) Draw a line of best fit, and find the slope of that line.

Answers

Answer:

(A) Not Linear

(B) Increasing

Step-by-step explanation:

Not linear because not straight line

Increasing because its increasing

Domain is x and range is y

help mee asap pleasee Which expression calculates the speed in feet per second of an object that travels a distance of 20 feet every 4 seconds?

Responses

A-20 plus 4

B-4 times 20

C-20 divided by 4

D-4 divided by 20

Answers

Answer:

Step-by-step explanation:

ANSWER:
C

Step-by-step:

d: 20
t: 4

d= v • t
20 = 4v

20/4

y + 2 = x which choice is the slope-intercept form for y + 2= x

Answers

Answer: y = x - 2

Step-by-step explanation:

x - y - x = y + 2 - y - x

-y/-1 = (2 - x)/-1

y = -2 + x

y = x - 2

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Find the selling price. Round to the nearest cent for each 18-2018. cost: $10 percent markup: 50%19. cost: $28 percent markup: 25%20. cost: $65 percent markup: 70%

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Find the selling price. Round to the nearest cent for each 18-20

18. cost: $10 percent markup: 50%

19. cost: $28 percent markup: 25%

20. cost: $65 percent markup: 70%