Mathematics Middle School

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Answers

Answer 1

Answer:

a = -3

b = 18

c = -15

Step-by-step explanation:

Answer 2
13 18 9 those are the answers

Related Questions

For which polygon is the sum of the interior angles equal to 720?
quadrilateral
pentagon
hexagon
septagon

Answers

Answer: Hexagon

Explanation: Just trust me ;)
Hexagon is the answer

Please help me I have to turn this in by 5:00 I will give you the brain thing and extra points. 2/5

Answers

I belive the answer is C because a line is 180° and that appears to create a line when its together

Answer:

C: <1+<5=180°

Step-by-step explanation:

I just learned about this stuff, and I am sorry but don't know how to explain it.

Please find the answer in square units

Answers

Ok... so i don't know the answer i really didn't mean to click the make an answer button. but now i made the answer and i stole points from you and i feel bad bc i can't help.

Dracula jumped 5 times every 30 minutes at that rate, how long,in minutes will it take to jump 6 times?

Answers

Answer:

36 minutes

Step-by-step explanation:

If I read this correctly, Dracula jumps 1 time every 6 minutes. If he jumped 5 times in 30 minutes, then that means when he jumped a sixth time, it was 36 minutes that passed since:

30 / 5 = 6

So, if he were to jump a sixth time:

30 + 6 = 36

Therefore, Dracula jumps 1 time per 6 minutes.

The diameter of a tire is 2.5 ft. Use this measurement to answer parts a and b. Show all work to receive full credit.

A. Find the circumference of the tire.
B. About how many times will the tire have to rotate to travel 1 mile? (1 mile = 5,280 ft)

Answers

Answer:

Answer Below

Step-by-step explanation:

The diameter of a tire is 2.5 ft. a. Find the circumference of the tire. b. About how many times will the tire have to rotate to travel 1 mile?

a) The circumference of a circle is the perimeter of the circle. The circumference of the circle is the distance around a circle, that is the arc length of the circle. The circumference of a circle is given by:

Circumference = 2π × radius; but diameter = 2 × radius. Hence:

Circumference = π * diameter.

Given that diameter of the tire = 2.5 ft:

Circumference of the tire = π * diameter = 2.5 * π = 7.85 ft

b) since the circumference of the tire is 7.85 ft, it means that 1 revolution of the tire covers a distance of 7.85 ft.

1 mile = 5280 ft

The number of rotation required to cover 1 mile (5280 ft) is:

number of rotation = 5280 ft/7.85 ft per rotation = 672 rotations.

Find the commission.
Earning Commission | sales = ​$530 | commision rate = 3​% | ​commision = ?

Answers

Answer:

$15. 90

Step-by-step explanation:

3% of 530= 15.9

its $15.90 hope this helps

Is the relation shown in the arrow diagram a function? Explain.
(Please look at the picture attached)

A: Yes; Each input has only one output.
B: Yes; Each output has only one input.
C: No; Each input has only one output.
D: No; The output 32 has two inputs.

Answers

A; Yes; Each input has only one output
A: yes ; each input has only one output

A rectangular pool is filled with 18.75 cubic meters of water. If the pool is 5 meters long and 2.5 meters wide, what is the depth of the pool?

Answers

Answer:

H=1.46M

Step-by-step explanation:

the rule is V=LWH

18.25=5×2.5×H

H=18.25÷(5×2.5)

H=1.46M

Answer:

12.5 m

Step-by-step explanation:

if anyone can please help me with that would so helpful

Answers

Answer:

The large box is 64

Together it is 76

Step-by-step explanation:

Hope this helps!

Using the expression you created you plug in 4 for S and then solve:

4^3 + 12

64+12

76 ft^3

Giving brainliest!!!!!!!!!!!!!!!!!!!!

Answers

A is the right answer

Answer:

A

Step-by-step explanation:

Marcy loved the service she received at a restaurant. She decided to leave a 25% tip for her waitress.
Which expression represents her total bill including tip? Let x represent her bill amount before tip is added

Answers

Answer:

The basement was so close to the house that we could get a couple more things and we can go out for dinner so we can do that again I can drop off a couple other stuff

Step-by-step explanation:

Answer

X +25%

I think I hope this helps

A business named Beyond Boxes is considering adding a box in the shape of a triangular prism as shown. How much cardboard will be needed to make this design?
A.96 cm2

B.102 cm2

C.108 cm2

D.76 cm2

Answers

Answer:

120

Step-by-step explanation:

108 cm² cardboard will be needed to make this design.

As per the given data:

The shape of the box is a triangular prism, and all the dimensions are given in the diagram.

A polyhedron with two triangular bases and three rectangular sides is referred to as a triangular prism. It is a three-dimensional form with two base faces, three side faces, and connections between them at the edges.

To find the cardboard that will be needed to make this design:

= Total surface area of the triangular prism.

= Area of 2 triangles + area of 3 rectangles

= 2 × ½ × 3 × 4 + 4 × 8 + 5 × 8 + 8 × 3

= 12 + 32 + 40 + 24

= 108 cm²

Hence, 108 cm² cardboard will be needed to make this design.

To learn more about polygon, click:

brainly.com/question/29142813

#SPJ2

Tyler's brother works in a shoe store.
The store-bought a pair of shoes for $50, and sold them for $85.
What percentage was the markup

I'll give brainliest

Answers

Answer:

So, (80-50)/50*100% = 30/50*100%=60%.

Step-by-step explanation:

i think it’s 17% ahsjhejsjx

PLEASE HELP ME ( I ADDED A PHOTO)

Answers

Answer:

Which one do you need help with

Step-by-step explanation:

Im not just taking points I will still help you in the comments.

Answer:

um 32-28 so 12.5  i think for the first one the second one is 25%

i am so sorry if i get it wrong

Step-by-step explanation:

Compare the graph of f to the graph of the parent function

Answers

diffrent angles kind of like an editing grid to move stuff

A prism and two nets are shown below:
Part A: Which is the correct net for the prism? Explain your answer.
Part B: Write the measurements of Sides AB, BC, and CD of the correct net.
Part C: What is the surface area of the prism? Show your work.

Answers

I think the answer is net A

Please help me on this one! ​

Answers

5.) y=7/8x+1
6.)y=-10x
7.) y=2.5x-7
8.)y=1.2x
9.) y=-5x-8

Drew wants to wallpaper his bedroom. The room is 10 ft long, 12 ft wide, and 8 ft tall. How many square feet of wallpaper does he need? So I got this question wrong and is wondering how I can get 352 square feet as my answer since that is what my teacher got and I don't know she got that so can someone plz help explain.

Answers

Answer:

you have four walls. two of them 12*8 and the other two are 10*8 ( we used 8 in both because it's the height of the room). so it goes( 2*12*8)+(2*10*8) and it goes 352S

Step-by-step explanation:

let's say that walls A 12*8 and walls B 10*8. you have 4 walls ta wallpaper.

for walls A= 2*12*8=192

for walls B=2*10*12=160

in total, you need 160+192= 352 square feet of wallpaper

HELP A PERSON OUT PLEASEEE

Answers

Answer : C

Explanation: it shows the equation involving a 3 which expands the fraction to be added toa 3 over one

At the James Factory, the assembly line produces 89 pairs of jeans in a batch. The pairs of jeans are packaged in boxes with 11 each. If 7 batches are made in one day, how many pairs of jeans will be leftover at the end of it?

Answers

89-77=12 , there will be 12 pairs of jeans left

7x11 Is 77 and 89 - 77 equals 12 so 12 pairs of jeans would be left over.

Which of the following is not a factor that may affect biodiversity?

A. Introducing an invasive species such as the African Boa Constrictor into the Florida everglades.

B. Humans catching and releasing fish as a sport.

C. Humans building new communities and destroying natural habitats.

D. Climate changes such as increasing temperatures and severe weather.

Answers

B!!!!!!!!!!!!!!!!!!!!!!!!!

Answer:

biodiversity—the earth's great variety of species and ecosystems

The variety of different species, the genetic variability among individuals within each species, and the variety of ecosystems, as well as the functions such as energy flow and matter cycling needed for the survival of species and biological communities.

Step-by-step explanation:

PLS HELP ASAP GIVE BRAINLIEST TO PERSON WHO ANSWER CORRECTLY PLS HELP ASAP GIVE BRAINLIEST TO PERSON WHO ANSWER CORRECTLY

Answers

Answer:

1+5n+9y

Step-by-step explanation:

This is just combining like terms, so numbers with the same coefficient will be added together because this is combining like terms, and numbers w/ out a coefficient will be placed together because we are combining like terms

17/5 converted into a mixed number

Answers

Answer:

3 2/5

Step-by-step explanation:

Answer:

3 [tex]\frac{2}{5}[/tex]

Step-by-step explanation:

PLEASE HELP ASAP!! A rectangular prism measures 3 1/2 cm long, 2 1/2 cm wide, 1 1/2 cm high, How many cubes with side lengths of 1/2 are needed to fill the prism?

Answers

Answer:

4/2

Step-by-step explanation:

the answer is 4/2 sorry if I’m late

i just need someone to tell me who earns more money per hour, and explain how

Answers

Answer:

Lisa earns more money because John makes $16 while Lisa makes $18.

Please help reward brainliest!!!

Answers

I think A but I’m not for sure

The figure shown has a parallelogram on top and a rectangle below it:

A figure has a rectangular portion, and above the rectangle there is a parallelogram. The length of the rectangle is 53.3 inches, the width of the rectangle is 6.8 inches, and the height of the parallelogram is 11.1 inches. (Image Below)

What is the total area of the figure?

362.44 square inches
954.07 square inches
1,183.26 square inches
1,908.14 square inches

Answers

Answer:

954.07 square inches

Step-by-step explanation:

You multiply all the mesurements together.

7.99 + 2.46
Please help me I really need this done

Answers

Answer:

10.45

Step-by-step explanation:

It's easy 7.99 + 2.46=10.45 you just add them up!

Hope that helps! :)

please help me find an equation, please explain, the equation must work for all of the number of blocks

Answers

3x+1 because 3(1) is 3+1 is 4 and 3(2) is 6 and 6+1 is 7 and so one I'm not exactly sure if that's what your looking for or not??
y= 3x+4 is your answer. the number by the x represents the growth (how much is added) the the 4 is representing how many tiles are on figure 0.

Select all the expressions that are solutions to 5= 2/3x
5×2/3
5/ (2/3)
5÷2/3
15/2
10/3

Answers

Answer:

. 5 divided by 2/3

. 15/2

. 3/2 X 5

Step-by-step explanation:

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