Mathematics Middle School

Bella wants to buy a new laptop because hers broke. Best Buy is having a double discount sale. The computer originally costs $830 and there is a 40% discount and then another 40% discount. How much will Bella pay for the laptop

Answers

Answer 1
answer: $298.80

there’s 2 ways to do this:
1. First Discount:
40% of 830 = .40 * 830= 332
830 - 332 = 498
Second Discount:
40% of 498 = .40 * 498 = 199.20
498 - 199.20 = 298.80

2. First Discount
100-40 = 60% (you’re paying 60% of the price)
60% * 830 = .60 * 830 = 498
Second Discount
60% * 498 = .60 * 498 = 298.80
^you’re paying 60% of discounted price

Related Questions

Please help meh
Which inequality is represented by this graph?

Answers

Answer:

X>0

Step-by-step explanation:

the line is to the right of zero

all positive numbers are greater than zero

Answer:x>0

Step-by-step explanation:

pls help
just tell me the coordinate of where i have to graph

Answers

f(x)= 3x+2
(-2, -4), (-1, -1), (0, 2), (1, 5), (2, 8)

f-1(x)= x-2/3
(-2, 1.33), (-1, 1), (0, 0.66), (1, 0.33), (2, 0)

f(x)= 2x+3
(-2, -1), (-1, 1), (0, 3), (1, 5), (2, 7)

f-1(x)= x-3/2
(-2, 2.5), (-1, 2), (0, 1.5), (1, 1), (2, 0.5)

Math, 7th grade, least to greatest. Thanks ♡ (25 points each)

Answers

Answer:

-1.4, 8/25, 1, 5/4, 1.3

Step-by-step explanation:

thx :)

7. Zach is a high-school student who has an after-school job at a grocery store. How much will he earn if he earns $75 a week for 5 weeks? Write an equation that you can use to solve the problem. Solve the equation and answer the question.

Answers

Answer:

75x5=375

Jack will earn $375 after working at the grocery store for 5 weeks.

Step-by-step explanation:

$75 times 5 weeks.

So 75x5.

The answer to 75x5 is 375.

SO the answer to the problem is $375.

please answer ASAP !!! >W<

match each function to the correct compound.

Answers

Nucleic acid is used for storing and transmitting genetic information.

Carbohydrates used for energy.

Proteins are used for tissue repair and growth.

Lipids are used for long term energy storage.

Evaluate 3z- 3 when z=7

a 34
b 21
c 18

Answers

Answer: C (18)

Step-by-step explanation: If we plug in 7 for z, 3 times 7 is 21. 21-3=18.

Answer:

C

Step-by-step explanation:

Since z = 7 the equation would be 3(7) - 3

You would multiply 3 with 7 and get 21

Then you would subtract 3 from 21 and get 18

hope this helps.

make sure too look at both questions (2 pages )(40n each)( total questions=8)

Answers

Answer:

Question 1 of the first page (the 4 questions that i forgot to do)

A= pi r exponent 2

A= 3,14 x 3 x 3

A= 3,14 x 9

A=28,26in2

Second question

A=pi r exponent 2

A= 3,14 x 4 x 4

A= 3,14 x 16

A=50,24mm2

Third question

C= pi d

C= 3,14 x 6

C=18,84in

4th question

C= pi d

C= 3,14 x 8

C=25,12mm

BTW I MEANT EXPONENT 2 IN THE OTHER QUESTIONS OF THE OTHER PAGE

Step-by-step explanation:

PLEASE ONLY RIGHT ANSWERS BIG PART OF MY GRADE!! BRAINLIEST!!!!!!

Answers

whats the question?????????

Answer:

i dont understand why people write these things and then dont even post a question

Step-by-step explanation:

First-person to answer correctly gets brainiest

Find an equation for each line.

Answers

Green = -1x - 1
Black = -2x
Orange = Y = 4
Blue = X = -4
Black: -2x
Green: -x -1
Blue: X=-4
Orange: Y=4

ten less then quotient of a number and 3 is 8

Answers

Answer:The answer is 6

Answer:

x =54

Step-by-step explanation:

I assume you need to find the number .

Let x = the number(AKA the variable)

x/3 - 10 = 8

x/3 = 18

x =54

IM ON A TIMER PLEASE HELP

Answers

Answer:

c, 11

Step-by-step explanation:

fillerfillerfiller

Answer:1100000000000000000000

I NEED HELP

Slope-Intercept Form
x=-4

I don't know how to graph this, I basically just need help learning it, I barely understand Slope-Intercept Form.

Answers

Since
x
=
−
4
x
=
-
4
is a vertical line, there is no y-intercept and the slope is undefined.
Slope: Undefined
y-intercept: No y-intercept
Tap to view steps...
image of graph
x is the coefficient and -4 is the variable. Slope-intercept form, x=-4, of linear equations, emphasizes the slope and the x-intercept of the line.

help
i need with this

A. a decrease of 4 points

B. a loss of 9 pounds

C. again of 10 pounds

D. 30 feet below sea level

Answers

C is not
Trust me bdiwohdjis

Answer: Your answer is c

Step-by-step explanation: A is DECREASING so it’s taking away 4 from zero which is negative. B is a LOSS of 9 so it’s taking away 9. 30 feet below sea level is taking 30 away from 0.c is correct because it’s GAINING 10 pounds. Hoped it helped.

Melanie spent four hours babysitting. She charges $16 up front and then an additional charge per hour. The total amount she earned can be represented by the expression $4x + $16. What expression represents the amount she earns each hour?

Please give me the expression.. if u just say i don't know i will report ;)

Answers

Answer:

She earns $4 x is representing the hours.

Step-by-step explanation:

16 is the charge up front.

I can infer that the additional charge is $4 because x represents the hours because we don't know how many hours she's going to spend there.

Hope this helps! <3

I HELP QUICK!!

A construction crew is lengthening a road that originally measured 13 miles. The crew is adding one mile to the road each day. Let L be the length (in miles) after d days of construction. Write an equation relating L to D. Then graph your equation using the axes below.

Answers

Answer:

L/D would be the ratio

Step-by-step I don't know if that helps but one day for one mile

The scatter plot below shows the number of online posts Evie makes per day and the time at which she makes them. Identify any clusters in
the scatter plot.

Answers

Answer:

Well, looking at the chart, there is a cluster of 3 dots at 10 A.M and 5 at 6 P.M and over. I hope that helped :)

Step-by-step explanation:

There are three dots on 10am and 5 in 6pm

WILL MARK BRAINLIST!! please help :((

Answers

Answer: 3, -4

Step-by-step explanation:

It’s 3 on the X axis and -4 on the Y so it is 3, -4

3,-4 hope this helps

the total cost of 8 pens and 9 books is $30.05. if the cost of a pen is $a, and a book is .90 MORE expensive. find A. Give your answer in two decimal places.

Answers

Answer:

2 Answers By Expert Tutors ... Let's set x = cost of books and y = cost of pens. ... In algebra, this can be written as x + y = 18. ... Using x and y, we get 1 book and 2 pens costs $21, or x + 2y = 21 ... The pen must cost $3 because we are adding $3 to the total when we ... Please provide a valid phone number.

Step-by-step explanation:

A= 2.74375 or just 3
Books= $8.10
Pens= 3 or 2.7475

A florist used 16 flowers to make a bouquet, including 4 lilies.

What is the probability that a randomly selected flower will be a lily?

Write your answer as a fraction or whole number.

Answers

2/16 or 1/8 simplified
The answer is 1/4! Hope it helps

please help ill give brainliest for sure to the right answer

Answers

Answer:

linear and increasing

Answer:

linear and increasing

Step-by-step explanation:

please i need help asap

Answers

you would have to divide the categories over the budget. after you divide, you would end up with a decimal, so you to convert it into a percentage, you would simply multiply it by 100.

clothing: 6%
housing: 22%
insurance: 8%

Answer:

clothing: 6%

housing: 22%

insurance: 8%

Step-by-step explanation:

please help me on this

Answers

Answer:

I belive it would be the third option

IT ALLOWED FARMERS TO GROW MORE FOOD TO SUPPORT BIGGER PROBLEMS

Hope helps

Answer:

It is C

Step-by-step explanation:

Uhhh pls help thank you

Answers

Answer: you multiply the first numbers by 5 that are on the left and on the right you divide the numbers.

Step-by-step explanation: hope this helps!

5 friends are going on a 3 kilometer hike. Each person is going to lead the group for an equal distance of their hike.

How many kilometers should each person lead?


Please help my math homework. I'm really struggling.

Answers

Answer:

6.05 km

Step-by-step explanation:

Answer: 0.6 km

Explanation:
If the hike is 3 km, and there are 5 people, each should lead for 3/5 kilometers (distance/people). 3/5 is 0.6 (as a decimal). As a result, each should lead for 0.6 km.

Which phrase matches the equation -3r + 5 = 28?
Group of answer choices

The product of negative three and a number plus five equals twenty-eight.

The sum of negative five plus three times a number equals twenty-eight.

The sum of three and a number times negative five gives twenty-eight.

The product of three times a number equals twenty-eight.

Answers

The product of -3 and a number +5 equals 28

You use substitution to solve a system of equations and, after simplifying the equations, end with an expression that says 0 = 4. What does that say about the the lines and about the number of solutions to the system?


Sample Response: Since the statement is false, there are no solutions to the system of equations. This also indicates that the lines are parallel.

Check all that you included in your response.
□ The equation is false.
□ False equations indicate no solution.
□ No solution indicates a system with parallel lines.

Hope this helps!

Answers

Answer:

Check the first two.

Step-by-step explanation:

Since the statement is false, there are no solutions to the system of equations. This also indicates that the lines are parallel.

Answer:

Since the statement is false, there are no solutions to the system of equations. This also indicates that the lines are parallel.

Step-by-step explanation:

Can u answer this in picture form?

Answers

Answer:

here you go! hope this helps:)

Step-by-step explanation:

you go negative 1/2 to the left then from there you go up 2 and 1/2.

i need help i will give brainliest pls and also thanks

Answers

B. Y= x+ 48 trust me bro.

Answer:

b

Step-by-step explanation:

Y= x+ 48

just took the test

A circular rug has a radius of 1 yard. Determine the area of the rug to the nearest tenth of a square foot. (FEET)

P:EASE HELP ME <3 :( :)

F. 3.9 ft 2
G.4.9 ft 2
H. 18.8 ft 2
J. 28.3 ft 2

Answers

1 yd = 3 ft
area= pi r ^2

area=3.14 • 3^2

area= 3.14 • 9

area= 28.26ft^2

rounded to nearest 10th: 28.3 ft^2

ANSWER: J. 28.3 ft 2
j.28.3 ft 2 is the answer

PLS HELP, answer correctly

Answers

Answer:

4 and 8

Step-by-step explanation:

brainliest please?

Answer:

4 and 8

Step-by-step explanation:

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