Mathematics Middle School

Sierra wants to buy a new bike. The bike she likes is on sale for 40% off its original price. Her parents agree to pay for $75 of the cost. If the original cost of the bike is $200, how much money will Sierra have to save herself? (No sales tax is charged.)

A.
$45

B.
$80

C.
$75

D.
$125

Answers

Answer 1

A) 45

Explanation:
$200 (original cost) x 40% = $80
$200 - $80 (40% off) = $120
Parents paying $75 : $120-75 = $45

Related Questions

Please answer!! What's the slope?

Answers

Answer:

B.) undefined

Step-by-step explanation:

It is a vertical line therefore is undefined because

a horizontial line is a line with zero slopea diagnal line from the left bottom to the right top { / } is a line with a positive slopea diagonal line from the left top to the right bottom { \ } is a line with a Negitive slope.

Finding Circumference

Answers

Answer:

Step-by-step explanation:

[tex]16 \times 2 \times 3.14 = 100.48[/tex]

Answer:

100.48

Step-by-step explanation:

the formula for circumference is C = 2 (pi) r

2(3.14)(16)=100.48

Henry's dog ate 8 cans of dog food this week. Each can contain 55.4 grams of protein. How much protein was this in all?

Answers

Answer:

443.2 grams

Step-by-step explanation:

Each can contains 55.4 grams of protein, and there are 8 cans, so the answer would be 55.4*8 = 443.2 grams.

The answer is 443.2 grams of protein.

Since there are each can had 55.4g of protein, and Henry’s dog ate 8 of them, you can think of it as 55.4 • 8 = 443.2

may someone please help me understand something in class? its theoretical and experimental probability basically just probability in a whole and I can’t understand. I don’t need the definition I just want someone to make me understand in a simple way like a tutor, but anyways please help me understand this. Examples would work, anything. Just help me understand. Thanks anyways.

Answers

Experimental probability is the results of an experiment, let's say for the sake of an example marbles in a bag. Experimental probability would be drawing marbles out of the bag and recording the results. Theoretical probability is calculating the probability of it happening, not actually going out and experimenting.

hope this helped.

Two linear functions are represented in different formats.

Function 1:

x y
0 −2
2 0
3 1
5 3
Function 2:

Graph of a line passing through the point begin ordered pair negative 2 comma 0 end ordered pair and the point begin ordered pair 0 comma 4 end ordered pair.

Which statements are true?

Select each correct answer.

Function 1 has a greater rate of change than function 2.

Function 2 has a greater rate of change than function 1.

Function 1 has a greater y-intercept than function 2.

Function 2 has a greater y-intercept than function 1.

Answers

The statements that are true are;

Function 2 has a greater rate of change than function 1.

Function 2 has a greater y-intercept than function 1.

Step-by-step explanation:

Given that function 1 has the table;

x y

0 -2

2 0

3 1

5 3

Finding the slope of the linear function gives the rate of change of the function. In this case,

m=Δy/Δx

m=3-1/5-3 = 2/2 =1

The equation of the linear function is given as;

m=Δy/Δx

y-3/x-5= 1

y-3=x-5

y=x-5+3

y=x-2

y-intercept is -2

In function 2, the line passes through points (-2,0) and (0,4)

Finding the slope of the line,

m₁=Δy/Δx

m₁=4-0/0--2

m₁= 4/2 =2

Rate of change is 2

Finding the equation of the line

y-4/x-0 = 2

y-4=2(x-0)

y-4 =2x

y=2x+4

The y-intercept is 4

The statements that are true are;

Function 2 has a greater rate of change than function 1.

Function 2 has a greater y-intercept than function 1.

The Buffaloes won 57.1% of their 140 baseball games this year. How many games did they win?
A) 60
B) 70
C) 80
D) 90

Answers

Answer:

C - 80 games

Step-by-step explanation:

140 * 0.571 ≈ 80

C is the correct solution A, B, and D are incorrect

1/2 + 2/3 =
8/ 12 + 8 /11 =
2/7 + 6/10=

Answers

Answer:

1/2 + 2/3 = 1 1/6

8/12 + 8/11 = 1 13/33

2/7 + 6/10 = 31/35

number 9 -_- like what is this

Answers

Answer:

Place the paranthases around 5-2

Step-by-step explanation:

Honestly bro I wish I could help you but I hope someone comes around and gives you a hand. Good luck!

What is 40% of 75?

Use the ratio table to solve the percent problem.

Part Whole
? 75
40 100

Answers

Answer:

Step-by-step explanation:

40% of 75 is just 0.4 times 75.

0.4 x 75 = 30

Let me know if this helps!

Answer:

Step-by-step explanation:

Good Luck

please just do number 8

Answers

i think it’s 14/5 or 2.8 :(

Step-by-step explanation:

Lamont purchased a sweater that was on sale for 25% off.
Which expression represents the amount that Lamont paid for the sweater if x represents the original price of the sweater?

Answers

y= x*0.025
hope this helps!!

The correct answer would be y=0.75x because 0.25x is how much money she saved while 0.75x is how much she still had to pay for the sweater

What is the solution to this system of equations?

A: (-1, 2)
B: (4, -2)
C: (2, -1)
D: (-2, 4)

Answers

Answer:

D. (-2, 4)

Step-by-step explanation:

The answer is D: (-2,4)

is 0.35 closer to 0, 0.5, or 1?

Answers

Answer:

0.5

Step-by-step explanation:

0.35 is 0.15 away from 0.5

0.35 is 0.35 away from 0

0.35 is 0.65 away from 1

I have a triangle: Angle A = 3x +28; Angle B = 5x +52; Angle C = 2x - 10: Solve for X

Answers

I have no clue if I even did this right but here’s my work. I don’t wanna get it wrong for you!

Answer: x=11

Explanation: The anglers in a triangle must all add to 180.

Therefore, we can use the equation 180=3x+28+5x+52+2x-10

Combing like terms gives us 180=10x+70

Solving for x gives us 11.

To check our work, we can plug in 11 for x.

3(11)+28+5(11)+52+2(11)-10=180.

Maura runs 5 miles in 1.25 hours. Ava runs 3 miles in 50 minutes or 0.83¯ hour.
Who runs faster?

Answers

Answer:

║⊕║∵°·∵∴Hello :)∴∵·°∵∴║⊕║

Your answer should be:

Maura runs faster.

Step-by-step explanation:

I hope this helped!

Brainliest appreciated

Have a good day!

Which equation has a constant of proportionality equal to 7?
A. 4y = 28x
B. 7y = 28x
C. 28y = 4x
D. 28y = 7x

Answers

A is correct.

Reasoning: 4 x 7 = 28

good luck!

The solution is Option A.

The equation which has a constant of proportionality k = 7 is 4y = 28x

What is Proportion?

The proportion formula is used to depict if two ratios or fractions are equal. The proportion formula can be given as a: b::c : d = a/b = c/d where a and d are the extreme terms and b and c are the mean terms.

The proportional equation is given as y ∝ x

And , y = kx where k is the proportionality constant

It demonstrates the equality of the relationship between the expressions printed on the left and right sides.

Given data ,

Let the equation be represented as A

Now , the value of A is

The proportional equation is given as y ∝ x

And , y = kx where k is the proportionality constant

Now , the equation is

4y = 28x

On simplifying the equation , we get

Divide by 4 on both sides of the equation , we get

y = 28x/4

y = 7x

y = 7x is of the form y = kx where the value of k is 7

Therefore, the value of k is 7

Hence , the value of proportionality constant is 7

To learn more about proportion click :

https://brainly.com/question/7096655

#SPJ2

Giving brainliest!!!!!!!

Answers

I believe the correct answer is the last option D.

Explanation:

The volume is 2 1/4 because 1 1/2 times 1 1/2 times 1 = 2 1/4
The instructions then say that there is 8 half unit cubes for every one unit cube so you multiply 2 1/4 by 8 to get 18

I hope this helps :))

Answer:

Step-by-step explanation:

I will give brainliest to whoever helps me with this question. Also, if you could please explain to me how you solved it I would appreciate it!

Answers

Heyy It's me again! I hope I can help you with this question too!

Answer:

Im pretty sure it's like 5 or 6 ft

Step-by-step explanation:

sry if its not right

Answer: 4.5 ft

Step-by-step explanation:

21-16.5=4.5

brainliest please? ^^

Can someone please help me

Answers

7pounds 2pounds 7-2= 5

plz make me a problem with the number between 3-10 or read the instructions so you can help me with my classwork

Answers

Answer:

Step-by-step explanation:

if you really solve it the problem will make since

Answer:

4+(-6)=(-2)

Step-by-step explanation:

I hope this helps

What is the rate of change for the linear relationship modeled in the table? (4 points)

x y
−1 10
1 9
3 8
5 7
a
negative one over two

b
0

c
one over two

d
2

Answers

Almost sure the answer is A

Answer:

The answer is A -1/2

Step-by-step explanation:

Answer the questions and provide an explanation (if needed).

Answers

Answer:

1. 0 2. 130 3. -9.9

Step-by-step explanation:

Micheal is buying Presents for a gift exchange for his four friends. He would like to spend less than $160 total. On average, how much can he spend on each person? Write out the Inequality as well.

Answers

Answer:

Micheal will spent 40 $ on each of his friends

Step-by-step explanation:

160$÷4=40$

why because there is 160 dollars to spend and there are 4 friends now you need to divide that to get the amount of money you need.

Answer:

x≤40. He can spend about $40 on each friend

Step-by-step explanation:

I got this because a number x is the amount of money he can spend on a friend on average. The inequality is then written like 4x≤160. You then try to get "x" on its own by dividing both sides by 4 (both sides being 4x and 160). then you get the average amount Michael can spend on his friends.

[tex]\sqrt{225}[/tex]

bAD ANSWERS NO PLS :)

Answers

Answer:

Step-by-step explanation:

sqr root 225 = 15

15. you can also ask siri if you have an iphone!

A manufacturer of breakfast cereals is considering the following two designs for cereal boxes.

The manufacturer wants to pick the package that will use the least cardboard packaging for a given volume of cereal.

Calculate the surface area and volume of each cereal box. Which one should the manufacturer use?

The manufacturer should use Box _______.

Answers

Answer:

Box A

Step-by-step explanation:

(72x2)+(18x2)+(36x2)=252

A rectangular flag for a club has the following design on it.

What is the area of the shaded region on this flag?
А
75 in
B
90 in
C
141 in 2
D
216 in

Answers

Answer:

216!!

Step-by-step explanation:

Answer:

D is the correct answer here

Write an equation: Six more than five times a number is negative twenty

Answers

Answer:

Let n = the number

5x + 6 = 2x - 9

3x = -15

x = -5

Step-by-step explanation:

6+5•x=-20 or try 6+5x=-20

I WILL GIVE YOU BRAINLIEST IF YOU HELP ME WITH THIS MATH WORKSHEET (1/2)

Answers

Answer:

Step-by-step explanation:

1) corresponding angles

2)alternate interior angles

3)alternate interior angles

4)corresponding angles

2x-7=123

2x=130

x=65

5)corresponding angles

6x-11=5x

6) alternate interiot

40=14-2x

26=-2x

-13=x

Yes^that answer is correct ^

Frank is going to plant x vegetable seeds in one garden and 4x+7 vegetable seeds in another. How many seeds is going to plant?

Answers

Answer: Because Frank is planting x seeds in one and 4x+7 in the other, you need to add both of those together.

x+4x+7= 5x+7

Hope this helped! :3

-Jazzy <3

If Frank is planting b seeds in one and 5b + 10 in the other, the expression showing the total is b + (5b + 10), or 6b + 10 seeds.

Choose Yes or No to tell if the fraction 3/5 will make each equation true.
7/20 + 3/5 = 19/20 (yes/no)
3/5 + 3/10 = 3/15 (yes/no)
1/2 + 2/3 = 3/5 (yes/no)
1/10 + 1/2 = 3/5 (yes/no)

Answers

yes
no
no
yes
i hope it helped.

Correct answers:
Yes
No
No
Yes

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Sierra wants to buy a new bike. The bike she likes is on sale for 40% off its original price. Her parents agree to pay for $75 of the cost. If the original cost of the bike is $200, how much money will Sierra have to save herself? (No sales tax is charged.) A. $45 B. $80 C. $75 D. $125

Answers

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Sierra wants to buy a new bike. The bike she likes is on sale for 40% off its original price. Her parents agree to pay for $75 of the cost. If the original cost of the bike is $200, how much money will Sierra have to save herself? (No sales tax is charged.)

A.
$45

B.
$80

C.
$75

D.
$125