Mathematics Middle School

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Answers

Answer 1

Answer:

$528

Step-by-step explanation:

A. Calculating The Markdown Price

X=Markdown price

Original price: $600

Markdown rate: 20%

100%-20%=80%

The TV's price is now 80% of what it originally was.

[tex]\frac{x}{600} =\frac{80}{100\\}[/tex]

100x=48000

x=480

The price of the TV after being marked down is $480.

B. Calculating The Sales Tax

Y=Total sales tax

TV price: $480

Sales tax: 10% or 0.1

y=480*0.1

y=48

The total sales tax is $48

C. Calculating Your Total

x+y=total

480+48=total

total=528

You in total pay $528 for the TV.

Related Questions

what is 7 (x-2) simplified

Answers

Answer:

7x-14

Step-by-step explanation:

you must use the distributive property. to do this, you must multiply the value outside the parentheses (7) by the first term in the parentheses (x) and add that to the multiplication of 7 and the second term (-2). 7 multiplied by x is 7x, and 7 multiplied by -2 is -14. when you add these two values, you get 7x-14.

Answer: 7x−14

Step-by-step explanation:

Please help I dont understand

Answers

amogus =X^6 thats why u should vote kanye ty.

Answer:

A. both coordinates are positive.

Step-by-step explanation:

I'm attaching a picture. The lower right quadrant/quarter is where x is positive and y is negative. When you "reflect over the y axis" it's mirroring the position by flipping it above the y axis.

In my picture, I used the example of a filled in dot in the lower right quadrant at +2 x, and -2 y. Right above that, in the upper right quadrant, there's an unfilled circle at +2 x, and +2 y. The second point is the first after being "reflected over the y axis." X stays the same, but the y goes from negative to positive.

I hope this helps. Please ask me if it's still confusing.

this what i need help with pls yall im finna fail the 6th grade i need help

Answers

Answer:

4. 29.25

5. 12

6. 260

Step-by-step explanation:

4. 6.5*9= 58.5  58.5/2= 29.25

5. 3+5= 8/2= 4*3= 12

6. 5·6.5·4=130*2=260

Hope this helps!

5 because it's really easy

A motorcycle ramp has a base that is 10 feet long and a height of 15 feet. What is the area of the triangular ramp?

Answers

Answer:

25ft

Step-by-step explanation:

Answer: 75^2ft

Step-by-step explanation:

               Triangle

Solve for area

A=75ft²

if Gordon types 2,170 words in 31 minutes. what is the unit rate?

Answers

Answer:

76.8 words per minute

Step-by-step explanation:

Answer:76.8 words per minute

Step-by-step explanation:

The function, t(x), is shown in the table below: WNOX t(x) 1 3 9 27 64 21 4 Determine the type of function t(x) is and match to the correct explanation. exponential, because the outputs are increasing by a common ratio linear, because the output values have a constant rate of change quadratic, because as the inputs increase, the outputs decrease to zero and will begin to increase​

Answers

Answer:

multyplying

Step-by-step explanation:

What sequence of transformations, when applied to △ABC , shows that ​ ​ △ABC ​ ​ is similar to △ A ′ B ′ C ′ ? dilation with respect to the origin by a scale factor of 2 followed by a translation of 2 units left dilation with respect to the origin by a scale factor of 1 2 followed by a translation of 2 units right translation of 2 units right followed by a dilation with respect to the origin by a scale factor of 1 2 translation of 2 units left followed by a dilation with respect to the origin by a scale factor of 1 2

Answers

Answer:

The correct sequence of transformations that shows that △ABC is similar to △A′B′C′ is:

translation of 2 units left followed by a dilation with respect to the origin by a scale factor of 12.

Step-by-step explanation:

A point, line, or geometric figure can be transformed in one of four ways, each of which affects the shape and/or location of the object.

In this case, we can see that a dilation with respect to the origin by a scale factor of 12 would stretch or shrink the triangle, but would not change the angles.

Therefore, we need to apply a translation first to move the triangle into the correct position.

So, we first translate the triangle 2 units left, which does not change its shape or size, but moves it to a position where it can be more easily compared to the other triangle.

Then, we apply a dilation with respect to the origin by a scale factor of 12, which stretches or shrinks the triangle but does not change its shape.

There are 24 female performers in a dance recital. The ratio of men to women is 2:3. How many men are in the dance recital?

Answers

They would be 18 men in the dance recital.
3+2=5
24/5=4.8
4.8 x 2 =9.6

When rolling 3 standard number cubes, the probability of getting all three numbers to match is 6216. What is the probability that the three numbers do not all match?

Answers

Answer:

210/216

Step-by-step explanation:

because you would just do 216-6 and that equals 210

plz help with the math problem

Answers

Answer: A

Step-by-step explanation:

can someone help what is the unknown number in sequence 2 in the chart

Answers

I do not know that answer that is hard
The answer is 105 because it is in a ration of 1:5
Hope this helped!
Pls mark brainliest

what is this math answer

Answers

Answer:

[tex]n = 8[/tex]

Step-by-step explanation:

[tex] \frac{n}{4} + 15 = 17[/tex][tex] \frac{n}{4} = 7 - 5[/tex][tex] \frac{n}{4} = 2[/tex][tex]n = 4 \times 2[/tex][tex]n = 8[/tex]Hope it is helpful....

Mary has $600 in her savings account. She withdrew $120 from an ATM and she used her debit card to buy a present for her mom that cost $50. Which integer represents the change to Mary’s account balance that is shown on her statement when she made the withdrawal from the ATM?
a) $ 430
b) - $ 170
c) - $50
d) - $120

Answers

Answer: D

Step-by-step explanation:

Just showing what she did to the account at the ATM withdrawal, she took out $120. It wouldn't show the 50 from using her debit at the time of using the ATM, and she's removing money from the account so it'd be D.

D) -$120 because she is taking away $120 from her account. the integer would not be a positive

PLS HELP, WILL REWARD BRAINLIEST !!

Answers

Answer:

C-110-120 minutes of run time

Step-by-step explanation:

Avrage all the numbers and find the minimum and maximum of the graph, then average and round.

1. Kyle went to the state fair and rode the Ferris wheel. The graph represents the last 40 seconds of Kyle's Ferris wheel ride. On which interval is the function increasing?
A) 44 to 48 seconds B) 48 to 52 seconds C) 52 to 56 seconds D) 70 to 72 seconds

On which interval is the function decreasing?
A) 40 to 44 seconds B) 56 to 60 seconds C) 64 to 66 seconds D) 72 to 76 seconds

PLEASE HELP I'LL GIVE BRANLIEST TO WHOEVERS RIGHT

Answers

Answer:

The interval which the function is increasing would be B) 48-52 seconds while the interval the function is decreasing would be C) 64-66 seconds

Explanation:

I don't know for sure tho ... nah I'm jus playin , I'm valid

A movie theater owner made this box plot to represent attendance at the matinee movie last month.
Without seeing the values, what conclusions can you make about whether attendance was mostly high or low at the matinee movie last month?

Answers

Low because on the number line the box was closest to the left and that’s closest to negative numbers
low because on the line it was closest to the left.

can someone plz help me. I dont know what to do or what it is​

Answers

i think its 31 but im not 100% sure :)

An automobile factory has a reputation for assembling high-quality cars. However, several new cars were shipped out to dealers that had a problem with the brakes. It is estimated that approximately 10% of the cars assembled at this factory have defective brakes. Five of these cars are shipped to a dealership near your school. What is the probability that none of the 5 cars will have defective brakes? Should the dealership be concerned? Explain.

Answers

Answer:

The dealership should be concerned because the probability is over 25%

Sara and Shareable are baking cherry pies for a community dinner. Each pie requires 4 cups of cherries. A container of cherries holds 8 cups How many containers of cherries will the girl need to make 10 pies?
(SHOW HOW YOU GOT THE ANSWER)

Answers

5 containers
1 pie = 4 cups
8/4= 2 pies per container
10/2= 5

Answer:5 containers

1 pie = 4 cups

8/4= 2 pies per container

10/2= 5

Step-by-step explanation:

Someone answer please

Answers

Answer:

214

Step-by-step explanation:

225 meters is the answer

Help pldssshdhhfhfhtj

the distannce fromm bbaseee to base, incluudding homess platee, on a baaaaseballlll fiellllld is 90 ft. the bases form a square.

If ulu hit a home run, how farrrrr do you have to runnnn to touchhhhhhb all the bases and returnnnnnn to home plateeeeeee​​

Answers

Answer:

360 ft

Step-by-step explanation:

There are 4 plates on a baseball field including the home plate. Mulitply that by the distance: 90ft.

4 x 90 = 360

Answer:

"distance between bases on a baseball field is 90 feet"   so, a home run is:

   home to first bast = 90

   first base to second base = 90

   second base to third base = 90

   third base to home plate = 90

                                         

 distance for a home run =      p         [note: this is the perimeter a baseball diamond]

Now, "three players hit home runs " and "What's the total distance the players run?"

  So, calculate 3p to get that answer.

Step-by-step explanation:

so basically it's a square, 90 ft on each side.

Perimeter = 4(side length) = 360 ft per player

BRAINLEST FOR BEST ANSWER. 50+POINTS!

The number of story books owned by eight classmates is shown below:

8, 9, 9, 7, 8, 6, 9, 8

Part A: What is the mean of the data? Show your work. (4 points)

Part B: Use your answer from Part A to calculate the mean absolute deviation for the data. Show your work. (6 points)

Answers

Answer:

Part A: The mean of the data is 8.

Part B: The Mean Absolute Deviation is 0

Step-by-step explanation:

Part A: For the mean, you add all the numbers up and then divide your answer by how many numbers you have. So You would do 64 divided by 8 and it gives you 8.

B: Since the Mean is 8, You would subtract each number by 8, but add. (I'm Going To show it under here)

|8 - 8| + |9 - 8| + |9 - 8| + |7 - 8| + |8 - 8| + |6 - 8 | + |9 - 8| + |8-8| .

0               1            1            -1          0           -2          1            0

Add them up and it should give you 0.

Answer:

What the guy above me said.

Step-by-step explanation:

I reeeaalllyyy need help please help me if you can!!!

Answers

Answer:

y=1/2x+3

Step-by-step explanation:

Y=1/2x+3 hopes this helped!

Please help with #16, 18, and 20. Sorry that there’s a bunch of other questions in the picture. This is the retake of my previous question which wouldn’t let me edit. I will give brainliest.

Answers

Answer:

16. 52.6

18. 127.4

20. 127.4

Step-by-step explanation:

Yea I agree with the answer above

Can you help me please.

Answers

Answer:

255

Step-by-step explanation:

Take your rectangle first

22*10 = 220 cm^2

Now your triangle:

The base is 7cm ( 17 - 10), and the height is 10 cm (22-12)

A=10 * (7/2)

A= 35

Now add both together.

Answer: 255 cm squared

Step-by-step explanation:

the area of the rectangle is length x width. 22 x 10 = 220.

the sides of the triangle are found by subtracting the sides of the rectangle.

22 - 12 = 10 and 17 - 10 = 7.

the area of the triangle is base x height / 2. so 10 x 7 / 2 = 35.

add the area of the rectangle and the area of the triangle.

220 + 35 = 255.

(14g+22h) divided by 1/2

Answers

Answer:

2(7g + 22h)

Step-by-step explanation:

1. Multiply by the reciprocal of that fraction:

14g + 22h • 2

2. Multiply:

14g + 44h

3. Factor expression to get our answer:

2(7g + 22h)

Hope this helped, good luck! :)

Hope that guy helped

Somebody help me pls is due in 20 minutes!

Answers

Answer:

18x + 6 = 2( 9x + 3 )

18x + 6 = 3( 6x + 2 )

18x + 6 = 6( 3x + 1 )

Step-by-step explanation:

Answer:

1. 2(9x+3)

2. 3(6x+2)

3. 6(3x+1)

Step-by-step explanation:

Okay so in the first one there is a 2 outside of the parentheses which means we will multiply whatever is inside of the parentheses by 2.

9x*2=18x

3*2=6

18x+6=2(9x+6)

Okay so in the second one there is a 3 outside of the parentheses which means we will multiply whatever is onside of the parentheses by 3.

6x*3=18x

2*3=6

18x+6=3(6x+2)

Okay so in the third one there is a 6 outside of the parentheses which means we will multiply whatever is inside of the parentheses by 6.

3x*6=18x

1*6=6

18x+6=6(3x=1)

PLS DO NOT USE THIS FOR POINTS. BRAINLIEST AND 100 POINTS

Question 2 (Essay Worth 10 points)
(08.02 MC)

The number of story books owned by eight classmates is shown below:

8, 9, 9, 7, 8, 6, 9, 8

Part A: What is the mean of the data? Show your work. (4 points)

Part B: Use your answer from Part A to calculate the mean absolute deviation for the data. Show your work. (6 points)

Answers

The mean of the data is 8

Using the measurements of the shapes.. determine the area and perimeter of the irregular polygon.

Answers

Answer:

43.8 is the Area but i don't know about the perimeter

Step-by-step explanation:

Answer:

are = 40.2, perimeter = 28.2

Step-by-step explanation:

perimeter = 6+6(blue triangle)+3(pink triangle)+4.2+3 (green parallelogram) +3+3 (purple square) = 28.2

area =

6 * 6 * 1/2 = 18 blue triangle

3*3*1/2 = 4.5 pink triangle

3*3 = 9 purple square

3*2.9 = 8.7 green parallelogram

= 8.7+9+4.5+18 = 40.2

Which of the following options have the same value as 10%, percent of 33?

Answers

Answer:

3.3

Step-by-step explanation:

3.3 has the same value as 10% of 33
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