Sofia saw a sign that all calculators were 20% off the regular price. She determined that if she substituted the price of the calculator she wants (c) into the expression c - 0.2c, she could find the sale price of the calculator after the discount. What is the expression when written in simplest form?
If the sale price if the calculator was $28.00, what was the original price? Justify your solution.

Answers

Answer 1

Answer:

Simplest form: 0.8c

Original Price: 35$

Step-by-step explanation:


Related Questions

PLZZZ HELP ME I WILL GIVE BRAINLY

Answers

Answer: x is for bouquets and y is for centerpieces.

Step-by-step explanation:

13x+4y=487

6x+2y=232

we start by using the first set of numbers they’ve given us

13 bouquets and 4 centerpieces equals $487.

in equation form, this is:

13b + 4c = 487

then the second set.

6 bouquets and 2 centerpieces equal $232.

in equation form, this is:

6b + 2c = 232




the system of equations is:

13b + 4c = 487
6b + 2c = 232


hope this helps!! (:

What are the like terms in the following expression?
9x + 7 + 4x

Answers

Answer:

9x and 4x are like terms

Step-by-step explanation:

3. A florist sells large floral arrangements for $60 each. Small floral arrangements sell for $15 each. Jenna is buying 2 large floral arrangements and x small floral arrangements. Let y represent the total cost Jenna must pay in dollars.
Write an equation in slope-intercept form to model this description.

Answers

Answer:

y=120

Step-by-step explanation: 60 x 2 = 120

15x + 120

17,18,19,20,21,22,23,24. 1.From the list of numbers write down a number that is a factor of 20. 2. From the list of numbers in the list, which is a multiple of both 3 and 7

Answers

Problem 1

Answer:  20

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

Explanation:

The factors of 20 are 1,2,4,5,10,20

They are numbers that pair up to multiply to 20. For instance, 5*4 = 20. We only focus on whole numbers.

In the list given to us, we see that only 20 is a factor of 20. Something like 17 is not a factor of 20, and so on for the other values.

==========================================

Problem 2

Answer:  21

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

Explanation:

List out the multiples of 3 to get {3, 6, 9, 12, 15, 18, 21, 24, 27, 30, ...}

The stuff in bold are values found in the original list.

Now list out the multiples of 7 to get {7, 14, 21, 28, 35, 42, ...}

We can see that only 21 is found in both lists of multiples we wrote out.

Note how 3*7 = 21, which is not a coincidence.

PLEASE HELP THIS IS DUE TODAY HELP PLEASE ASAPPPPPPP

Answers

Here. You go! I wrote down the notes for each note and I wrote down the fingering on the doc! I hope this help!! :-)

Plz help me !....:)
With this math

Answers

Answer:

75

Step-by-step explanation:

4(1/2*5*5) +5*5 = 75

Four triangles plus the square = surface area

I need help please answer quick!

Answers

Answer:

3in. is the answer

doooo itttt fassstttt

mark it as brInlist

I WILL GIVE BRAINLIEST!

Answers

Answer:

ANSWERS BELOW

Step-by-step explanation:

she decided to organise a 5k run ( main subject and action )

To raise money for thr families of patients at a local children's hospital ( why the subject took the action )

Drawing on her love of running ( where the subject got the idea for thr action from )

HOPE THIS HELPED

You need to score 80% on the final exam to maintain an “A” average in class. If the exam has 250 questions, how many questions must you answer correctly?
A. 20
B. 160
C. 200
D. 240

Answers

Answer:

200

Step-by-step explanation:

100/250= 0.4

0.4* 200= 80

Which scatterplot has a correlation coefficient closest to r = –1?

Answers

A coefficient of r = -1 is a negative so the dots would move downward as they move to the right ( higher dots are on the left side, lower dots on the right side. As the coefficient gets closer to -1 the dots form more of a straight line then being scattered across the graph.

The last graph, which is marked with the blue dot is the correct one.

The last scatterplot (option D) has a correlation coefficient closest to r = -1.

What is correlation coefficient?The correlation coefficient describes how one variable moves in relation to another.A positive correlation coefficient indicates that the two move in the same direction.A negative correlation coefficient tells you that they instead move in opposite directions.A correlation coefficient of zero suggests no correlation at all.

For given situation,

When the y variable tends to decrease as the x variable increases, we say there is a negative correlation between the variables.

i.e., it must have negative correlation coefficient.

If we observe the last scatterplot i.e., option (D), then it must have negative correlation coefficient.

Therefore, the correct answer is option (D)

Learn more about a correlation coefficient here:

https://brainly.com/question/14298919

#SPJ2

NEED HELP QUICK PLEASE !!
Given: AC FC, FB: DA
C
B
D
A
F
What additional information is needed to prove the triangles congruent by
SSS?

Answers

Answer:

you have already choose correct  one's

BC=DC

Step-by-step explanation:

Translate this sentence into an equation.
The product of Chrissy's age and 2 is 32.
Use the variable c to represent Chrissy's age.

Help meeee

Answers

Answer:

2c=32

Step-by-step explanation:

It puts her age as c being multiplied by 2.

hdjxjwhdhwjk ez skdkhsjjsaiisgsm jsvdkg was dehksjehodh

What is the value of x in the equation shown? 2(X + 8) - 4x = 10x + 4
A/ x=-1
B/ x = 12
C/ x=1
D/ x=-2

Answers

Answer:

Option C: X=1

Step-by-step explanation:

2(X + 8) - 4x = 10x + 4

2X + 16- 4X= 10X + 4

-2X +16 =10X + 4

16 - 4 = 10X+2X

12 =12X

X=1

PLS HELP AGAIN IM ALMOST DONE

Answers

Answer:

y=5

Step-by-step explanation:

5y-30+11=4-3+y

5y-19=1+y

4y=20

y=5

Answer:

y= 5

Step-by-step explanation:

If you want me to explain ill put it in the comments

I hope this helped you! If it did, please consider rating, pressing thanks, and giving my answer 'Brainliest.' Have a great day! :)

What is the median?
-2 -3 8 -6 -9

Answers

Answer:

-3

Step-by-step explanation:

its the middle number so you put them in order and get the ndeswer just whatevers in the midde

-9 -6 -3 -2 8

Answer:

The median is -3

Step-by-step explanation:

-9 -6 -3 -2 8 (least to greatest)

Help please...............

Answers

Answer:

A warrior is a person specializing in combat or warfare, especially within the context of a tribal or clan-based warrior culture society that recognizes a separate warrior class or caste.

7 (3 - 0.5k) 3k - 5​

Answers

Your answer is going to be 63k-10.5k square 2 -5

Step-by-step explanation:

63k -10.5k square 2-5 and you have you answer

Reggie plans to have a garden with 36 plants. He wants the ratio of tomato plants to cucumber plants to be 4:5. How many cucumber plants will be in Reggie's garden?

Answers

Answer:

20

Step-by-step explanation:

Total no of plants in a garden = 36

The ratio of tomato plants to cucumber plants to be 4:5.

Let tomato plants are 4x and cucumber plants is 5x.

ATQ,

4x+5x=36

9x = 36

x = 4

For cucumber plant, 5x = 5(4) = 20

So, there are 20 cucumber plants will be in Reggie's garden

my mom died can u help me

1.Jason left for school and forgot his math homework on the kitchen table. His mother found the homework 10 minutes after Jason left, and started driving 36 mph to catch him. Jason bikes 12 mph.
How long will it take Jason's mother to catch him?
2. Jason left for school and forgot his math homework on the kitchen table. His mother found the homework 10 minutes after Jason left, and started driving 36 mph to catch him. Jason bikes 12 mph.
c
* If Jason's school is 2.5 miles from his apartment, how fast must his mother drive to catch him at the school door?

Answers

Answer: 5 minutes

Step-by-step explanation:

Answer:

b is 3 mph

Step-by-step explanation:

HELP PLEASE IM CONFUSED

Answers

Answer:

3 apples

Step-by-step explanation:

NEED HELP ASAP‼️‼️‼️ IL CASH APP 15$ if correct What is the rate of change of y with respect to x for this function ? BTW ANSWER CHOICE D IS -5/3

Answers

Answer:

-3/5 or a

Step-by-step explanation:

5 - 2 = 3

0-5 = -5

3/-5 = -3/5

Painter A charges $70 to start a job and $80 per hour he/she is there. Painter B charges $100 per hour. Write an inequality that would determine how many hours would the job take for Painter A to be less expensive and solve.

Answers

Let the number of hours be x.

70 + 80x < 100x

20x > 70

x > 3.5

At the local pet store, zebra fish cost $2.10 each and neon tetras cost $1.85 each. If Marsha bought 13 fish
for a total cost of $25.80, not including tax, how many of each type of fish did she buy?

Answers

Answer:

.5

Step-by-step explanation:

MY REAPORT CARD IS COMING SOON AND I HAVE ALL F'S my mom snitches and would tell everyone like she did last time so before my mom get's it should I
A. run away from home
B. Break her phone
C. blackmail her, when she DOES get it

Answers

♡ The Question ♡

-MY REAPORT CARD IS COMING SOON AND I HAVE ALL F'S my mom snitches and would tell everyone like she did last time so before my mom get's it should I

A. run away from home

B. Break her phone

C. blackmail her, when she DOES get it

*୨୧ ┈┈┈┈┈┈┈┈┈┈┈┈ ୨୧*

♡ The Answer ♡

- None of the Above!

*୨୧ ┈┈┈┈┈┈┈┈┈┈┈┈ ୨୧*

♡ The Explanation/Step-By-Step ♡

- A would not be a very good idea, running away from home can get you in trouble either from your parents/family/guardians, or police/fire department, that would most likely upset your mother more and could cause some issues. B wouldn't be good because soon enough she will most likely find out, breaking somebody's phone can be a bad idea too, if they're in danger they won't be able to call anybody or ask for any help. Including something important could be saved there, not to mention phones are very expensive and it could be devastating.

C isn't much of a better idea either, blackmailing somebody isn't something to be proud of and if anything, is very risky. Blackmailing is demanding money from somebody in return for not revealing compromising info about the person you're threatening. This may only be reputation ruining, but not to mention if the police/fire department find out you're threatening somebody for money you could most likely get arrested.

*୨୧ ┈┈┈┈┈┈┈┈┈┈┈┈ ୨୧*

♡  Tips ♡

-I would recommend going for more of a simple plan, waking up early, getting ready, and to begin your schoolwork and start studying more! This can be helpful for your education/knowledge, including creating a safe place for everybody around you and to avoid being in any tight situation or any danger/discipline. If you ever need more help, feel free to always submit any questions onto Brainly so people can answer your questions and help improve your grades!

What additional information could be used to prove that the triangles are congruent using AAS or ASA? Select three options. AngleB ≅ AngleP and BC ≅ PQ AngleA ≅ AngleT and AC = TQ = 3.2cm AngleA ≅ AngleT and AngleB ≅ AngleP AngleA ≅ AngleT and BC ≅ PQ AC = TQ = 3.2 cm and CB = QP = 2.2 cm

Answers

Answer:

a b d

Step-by-step explanation:

bigbrain

The additional information that could be used to prove that ΔABC ≅ ΔPTQ using AAS or ASA are:

1. ∠B ≅ ∠P and BC ≅ PQ

2. ∠A ≅ ∠T and AC = TQ = 3.2cm

4. ∠A ≅ ∠T and BC ≅ PQ

Recall:

For two triangles to be congruent by AAS Congruence Theorem, they must have two pairs of congruent angles and a pair of non-included congruent side.For two triangles to be congruent by ASA Congruence Theorem, they must have two pairs of congruent angles and a pair of included congruent side.

We are given:

∠C ≅ ∠Q

To prove that ΔABC ≅ ΔPTQ by ASA, the additional information needed are:

∠B ≅ ∠PBC ≅ PQ

Alternatively, the ASA can be used if the following additional information is given:

∠A ≅ ∠TAC = TQ = 3.2cm

Using the AAS Congruence Theorem, the additional information needed would be:

∠A ≅ ∠TBC ≅ PQ

In summary, the additional information that could be used to prove that ΔABC ≅ ΔPTQ using AAS or ASA are:

1. ∠B ≅ ∠P and BC ≅ PQ

2. ∠A ≅ ∠T and AC = TQ = 3.2cm

4. ∠A ≅ ∠T and BC ≅ PQ

Learn more about Congruence Theorem on:

https://brainly.com/question/2102943

Find the rate of change represented on the graph- please help ! first answer will get brainliest

a) 3
b) 1/3
c) -3
d) -1/3

Answers

Answer:

A

Step-by-step explanation:

because u use RISE/RUN

and the rise is 3 and the run is 1

3/1=3

Answer:

A.

Step-by-step explanation:

What is the binary number for 21​

Answers

Answer:

I believe this is 10101

does 15/21 and 40/56 form a proportion

Answers

Answer:

No, 15/21 and 40/56 do not form a proportion.

Step-by-step explanation:

Suppose v varies directly as g, and v = 36 when g = 4. Find v when g = 11. 101 99 124 112 Activate Windows Go to Settings to activate Windows. 3:14 PM​

Answers

Answer:

v=99

Step-by-step explanation:

This is somewhat like a ratio problem. So, when v is 36, g is 4. We can simplify this. So, if we divided g by 4 we get one, and if we divide v by 4 we get 9. So, we have 1:9 ratio of g to v. If g is 11, then we multiply the 1 by 11 and the 9 by 11 also. Therefore, v is 99

Complete the table with the number of sit-ups you need to do on Sunday so that the mean number of sit-ups per day
is 60.
Day
Monday Tuesday Wednesday Thursday Friday Saturday
Sunday
Number of sit-ups
50
70
80
80
40
60

Answers

Answer: 40 sit ups

Step-by-step explanation:

50+70+80+80+40+60+40= 420 ÷ 7 = 60

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This facility will house the following departments: Accounting - 2 People - Upper Right Desk Area Human Resources - 1 Person- Upper Right Desk Area Marketing - 1 Person - Center Desk Area Sales - 3 People - Left Right Desk Area IT -2 People - Center Desk Area Receptionist - 1 Person - Upper Center (Note: Not all Space is used - this will leave room for additional employees. The upper left is a conference room.)Design of the office: The inner office has not yet been constructed but the plan is as follows:o Outer offices have walls that go all the way up to the ceiling.o Center offices are cubicles.o The office itself has 4 floors this facility is on the 3rd floor. 1 & 2nd floor houses another company. 4th floor is being rented by this company as well in plans for expansion. 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