Mathematics Middle School

Part D
Finally, use decimal numbers to write an expression that represents the net change in Rylee’s bank account balance for her entire shopping trip. Use your answers from parts A through C to guide you.


PART C; The original price of Rylee’s groceries was $23.50. This money is leaving her bank account, so represent the amount with a negative sign:
-$23.50.

Rylee got a 20% discount on her purchase. In other words, she got 20% of her money back. The expression that represents the net change in her bank account is
-$23.50 – (-$23.50 × 0.2).

Further simplify the expression by factoring -$23.50 from both terms:

-$23.50 – (-$23.50 × 0.2)
=
-$23.50(1 – 0.2)
=
-$23.50(0.8).

Answers

Answer 1

Answer:

look at explanation

Step-by-step explanation:

PART C; The original price of Rylee’s groceries was $23.50. This money is leaving her bank account, so represent the amount with a negative sign:

-$23.50.

Rylee got a 20% discount on her purchase. In other words, she got 20% of her money back. The expression that represents the net change in her bank account is

-$23.50 – (-$23.50 × 0.2).

Further simplify the expression by factoring -$23.50 from both terms:

-$23.50 – (-$23.50 × 0.2)

=

-$23.50(1 – 0.2)

=

-$23.50(0.8).

Answer 2

The net change to her banking account balance is $83.22.

What is net change?

The net change theorem states that when a quantity changes, the final value equals the initial value plus the integral of the rate of change. Net change can be a positive number, a negative number, or zero.

Given that, She spent $36.50 plus 8% tax.  (to calculate the tax amount, we have to multiply the cost by the percentage in decimal form)

36.50 x (8/100) =$2.92 (value of tax)

Adding to the original cost

36.50+2.92 = $39.42

Then, she spent $25 to refuel her car at the gas station.

39.42 +25 = $64.42

She bought groceries worth $23.50. At the grocery checkout, she handed over a coupon for a 20% discount on her purchase

23.50 x (20/100) = 4.7 (amount of discount)

Subtracting to the purchase

23.50 -4.7= $18.8

Hence, adding to the total cost.

64.42 +18.8 = $83.22

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Related Questions

Please help me with this question its due in 5 minutes. I will give brainliest

Answers

Answer:

I guess it is scnd one.

Step-by-step explanation:

some text

The second one


I don’t know how to explain but I hope that I help you :D

Does the graph represent a function? Explain why or why not.

Answers

No because there are some x values that had more than one y value
no it doesn’t it needs to have an input and an output

describe how you can tell wether a lines slope is greater than 1 equal to 1 or less than 1 pls help ill give you brainliest

Answers

Answer:

the slope is determined by rise over run, meaning you first have to see if the line is negative or positive by the direction it is facing, then you have two points that match accordingly to rise over run, to find out you have to see how many boxes(y) you are rising and however many boxes to the right(x) you are running, then you divide rise/run

On Monday Marco practiced the piano for 7\10 hour. On Tuesday he practiced for 1 5\6 hours. He is supposed to practice 1 1\4 hours each day. What info tells if you have to use adding or subtracting fractions. PLEASE ANSWER FIRST-PERSON WILL GET A BRAINLIST ASAP!!!! PLUS 20 POINTES

Answers

Answer:

The info that tells that you have to add is how many hours he practiced in total on the first two days. The info that tells you to subtract is how many more hours did he practice on Tuesday.

Step-by-step explanation:

Answer:

Add

Step-by-step explanation:

I'm pretty sure :)

smh someone helpp mee

Answers

Answer:

beep

Step-by-step explanation:

1. length, 2. mass, 3.  associated rate, 4. weight, 5. unit rate, 6. percent, 7. U.S. etc.

11. equivalent ratios, 12. capacity, 10. internstional system of units, i think 8. rate, and i think 9. rate unit

How can you figure out the diameter of a circle when you just know the area of the circle?
(Please answer in the simplest way) Thanks!

Answers

Answer:

yes

Step-by-step explanation:

If you have the area you can divide it by pi to get r squared. You square root this to get r and then just times your answer by 2. (r is the radius)

please i need help in this sb

Answers

The first question the answer is 15.
This happens because 2×8 = 16. After that you multiply 16 by half. What do you do that the answer is eight then you add seven and get 15.

For the second question you do -6 times negative one. After that you’ll get six. Then you would have to multiply it by -2 and get -12. Then you add -12+3 and then you get -9. Your answer is -9


For the third question you would add 7+3 and get 10. Then you would have to multiply it to the second power and get 1000. Then you would have to add 1000 with four. Then you multiply seven by -2 and multiply that by four. Then you would get -56
Your answer would be -56.

It was very complicated. If I get something wrong I am sorry. I hope I helped.

Answer:

#1=15 #2=-9 #3=44

Step-by-step explanation:

1/2 times 2 times 8 + 7      #2:-2(-1)(-6)+3                   #3:  (7+3)^2 +4(7)(-2)

1/2 times 2 = 1                           -2times -1=2                                 (10)^2 +4(7)(-2)

1 times 8= 8                              2(-6)+3                                           100+4(7)(-2)

8+7=15                                     2times -6=-12                                   100+28(-2)

                                               -12+3=-9                                            100+-56

                                                                                                            44

I have math :') can u help me pweaseee

Answers

Answer:

1-the temperature

2-tia

3-tony

4-the table

Step-by-step explanation:

drag the 2nd one to t<29
drag the 3rd one to t< 28
drag the 4th one to t>29
drag the 5th one to t>28

your welcome :)

Heyy Im stuck on this, anybody wanna help me?

Answers

Answer:

9 or 8

Step-by-step explanation:

It’s 9 or 8 I think I’m too sure

Find the area.

81 cm 2
72 cm 2
54 cm 2
63 cm 2

Answers

Answer:

63

Step-by-step explanation:

the bigger shapes area is 54

the smaller shape coming off of it is 9

so then you add those to find the whole area of the shape

The answer is 63! Good luck

PLZ HELP
Find the surface area of this net.




_______ square centimeters

Answers

Answer:

228

Step-by-step explanation:

First, let's find the area of A and C

5  ✕ 12 = 60

60 ✕ 2 = 120

Then B

8 ✕ 12 = 96

Then the triangles

3 ✕ 5 ÷ 2 = 12 / 2

But now think,because there are 2 triangles, so we have to times it by 2 later so we can just leave it like this.

120 + 96 + 12 = 228

228 good luck!! Have a nice day

I Need Help ASAP PLEASEEEEEEEee
What is the meaning of X

-16 + x = -15

Answers

Answer:

x = 1, your x is your answer.

Step-by-step explanation:

Add 16 on both sides to get your x value which is 1.

solve for x
x=what
11x + 6 = 28

Answers

Answer:

X = 2

Step-by-step explanation:

11 x 2 = 22

22 + 6 = 28

Answer is 2
Explanation: you first try to isolate the x
And your only choice is to subtract the 6 so it cancels out on that side and whatever you do to one side you always have to do to another so 28-6 equal 22, 11x=22, now you divide by 11 making it x = 2. Hope this helps if you have any questions ask me

Tiyah has 3 coins in her pocket. She pulls
them from her pocket and they all fall on
the floor. What is the probability that all
three coins landed tails up?

Number of events:

Expression:

Answer:

Answers

Answer:

12.5%

Step-by-step explanation:

1 coin landing tails up is 50%

2 coins is 50% of 50% so 25%

3 coins is 50% of 50% of 50% so 12.5%

12.5% is the answer

Jason loves to play the piano but doesn't like practicing the exercises his piano teacher assigns. Jason knows the exercises will help him play better though, so he tries to motivate himself using his favorite treat — chocolate chip cookies. Jason gives himself 5 cookies for every hour he practices.
There is a proportional relationship between the amount of time (in hours) that Jason practices the piano, x, and how many cookies he gives himself, y.
Graph this relationship. Select two points to draw a line.

What is the slope of the line?

Answers

Answer:

i hated this math in middle school-

Step-by-step explanation:

PLEASE HELP MEEEE!!!
What is 600cu cm if that volume is scaled down by 1/10

Answers

Answer:

60cm

Step-by-step explanation:

600c2um



Step by step explanation



Multiply C by c adding the exponents

How many solutions are in this equation

3(9v + 2) = 2(10 + 11v

Answers

Answer:

Ф∵∴∵Hello person!∵∴∵Ф

Your αnswer should be:

V=80

1 solution to this equation.

Step-by-step explanation:

I hope this helped! Please tell me if it is wrong!

←≡≡First answer!≡≡→

(Brainliest would be appreciated!)

║Have a great day! Thanks for your time!║

Answer:

8

Step-by-step explanation:

please help. i’ll give brainliest

Answers

This is not a function
The reason why is because 13 repeats 2 times that is the X value
If the X Value Repeats then it is not a function
Hope that helped :)
Yes what he said is correct

rewrite [tex]-2x+3y=-15[/tex] in slope-intercept form

Answers

Answer: [tex]Y = \frac{2}{3} x - 5[/tex]

Step-by-step explanation:

Answer: y=7.5+-5

Step-by-step explanation:

Divide 3y from itself and -15 to cancel out the Y variable. So Y is equal to -5. Then you would be left with -2x=-15. So then you would have to divide -2x from itself and -15, which would give you 7.5, and that is your x variable.

1 ribbon. The piece shown below is only 2/3 of the whole. Complete the drawing to show the whole ribbon.

Answers

I don’t exactly know what you’re asking. But from what I can tell I think you have to draw 1/3 of the hole because there are already 2/3. Comment below if that’s not what you’re asking. If you explain it to me that I’m wrong in the comments I will try and figure it out.

What is g(-5)
A. -60
B. -8
C. 12
D. 42

Answers

Answer:

G should be 60

Step-by-step explanation:

Sorry if wrong

The answer would be -60

please help ASAP
What is the value of m∠A + m∠B?

Answers

That would be 90 degrees
it would definitely be 90 degrees!!

help me with this please i will crown brainliest :). even if it answer is wrong

Answers

Answer:

hi

Step-by-step explanation:

can i have brainliest

What is the question?????

7 1/4x + x - 2 11/12x + 1 2/3x=5 3/5


find x

Answers

X= 4/5

Because...
You turn all the missed numbers in to improper fractions, then after you add all the ones with x’s after that you should get 7 then divide 7 by 28/5. Which equals 4/5

The value of x in the given expression is 4/5.

What is an expression?

An expression is a mathematical statement containing variable, numbers and which are related by at least one mathematical operation.

Given is an expression, [tex]7\frac{1}{4} x+ x+2\frac{11}{12} x + 1\frac{3}{2} x = 5\frac{3}{5}[/tex]

Solving for x, we get,

[tex]7\frac{1}{4} x+ x+2\frac{11}{12} x + 1\frac{3}{2} x = 5\frac{3}{5}\\\\\\\\\frac{29}{4} x+x+ \frac{35}{12} +\frac{5}{3} x = \frac{28}{3} \\\\\\ \frac{87x+12x-35x+20x}{12} = \frac{28}{3} \\\\\\\frac{84}{12} x = \frac{28}{3} \\\\\\\x = \frac{4}{5}[/tex]

Hence, the value of x is 4/5

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How do you evaluate functions?

example:
Find the output, B, when the input, a, is 6.
b= -1 - 7a

Answers

The answer would be 41
Answer is 41! I believe so

HELP !!!!!!!!!!!!!! giving brainliest!!!!!!!!!!!!!!

Answers

Answer:

It’s the second one

Step-by-step explanation:

I hope this helps

Answer:

B      2

Step-by-step explanation:

Please help me with all of these I have them labeled as 1 2 3 4

Answers

Answer:

1. d

2. b

3. d

4. b

Step-by-step explanation:

1. d
2. a
3. d
4. b

when the circle is open, the sign should not have a line under it, when the arrow is to the left X is less than, when the arrow in the graph is going to the right, X is greater than

plz help me I need the answer

Answers

Answer:

I got 12.56 like the other person :)

Step-by-step explanation:

Please show your work also I’ll put 30 points since this is a bit difficult :)


Which equation is equivalent to 60% of 25?
Select all that apply.

A. 0.6 x 26 =

B. x times 1.6 = 25

C. 6/10 = x/25

D. 60/100 = 25/x

E. x/25 = 60/100

F. 6.0 x 25 = x

Answers

Answer:

C, E

Step-by-step explanation:

only c. using cross multiplication , it shows the correct percent. 6.0 does not work because that would imply that it is 600% rather than 60 percent

PLEASE HELP WILL MARK BRAINLIEST IN DECIMALS BTW

Answers

Answer:

11.7

Step-by-step explanation:

multiply RS by the scale factor to get R'S'

11.7 is correct
Hope it helps
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