Mathematics Middle School

Can someone help me?

My teacher said to put in simplisit form. and not to estimate.
I will give brainlisit !!!

Can Someone Help Me?My Teacher Said To Put In Simplisit Form. And Not To Estimate. I Will Give Brainlisit

Answers

Answer 1

Answer:

4. .88

5. 17/9

6. 67/12

7. 47/56

8. 209/45 or 4 29/45, 4.64

9. 143/30

Step-by-step explanation:

Related Questions

Dont guess!
I will mark brainliest if its correct!

Answers

Answer:

c) 40%

Step-by-step explanation:

2.8 + 3.2 + 4.0 =10lb

4.0 ÷ 10 × 100

= 40 %

Answer:

40% The answer is c because 4.0 as a fraction is 2/5 and 2/5 as a percentage is 40%.  This is the answer I got so hope it's right and hope it helps!

Step-by-step explanation:

Hello please help me with this ASAP! :)

Ignore the chosen answer lol

Answers

Answer:

2/12

Step-by-step explanation:

Because there are 6 tile total but he wants two put 2 numbers out of the bag twice..... you get the 12 because he pulls a number out twice and since he has 6 and then does it again it adds to 12 so the answer would be 2/12

Last question of the day hopefully : )

Answers

Answer:

E < F < G

Step-by-step explanation:

hope this helps

File attached Please help! Show work
This is angles that share a vertex!

Answers

Answer:

Step-by-step explanation:

Let me look it up 8

Paulo has a receipt from a restaurant. The total amount is blurred, but he knows he left a $4.25 tip, which was 20% of the cost of the meal. How much did his meal cost? How much did he spend in total?

No random answers pls

Answers

The total for the meal was $21.25

The total overall was $25.5

1. $21.25

2. $25.5

Answer:

21.25 and a total of 25.50

Step-by-step explanation:

multiply 4.25 by 5 to get the meal cost and add the 4.25 for the tip

Mr. Clark wants to pay for his order with a $20 bill, but Jeremy does not have change. Jeremy tells Mr. Clark he will give him the change later. How will this affect the total amount of money Jeremy collects? Explain. What rational number represents the change that must be made to the money Jeremy collects?

Answers

Answer:

$20 + $-11.25 = $8.75

Step-by-step explanation:

A rhombus has sides of length x + 6 inches and a perimeter of 49 inches. Which equation represents this situation?​

Answers

Answer:

a

Step-by-step explanation:

The equation representing this situation is 4( x + 6 ) = 49.

What is an expression?

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

Given that a rhombus has sides of length x + 6 inches and a perimeter of 49 inches.

The equation can be written as,

4 ( x + 6 ) = 49

The perimeter is given as,

4 x side = perimeter

4 x ( x  + 6 ) = 49

4 ( x + 6) = 49

To know more about an expression follow

https://brainly.com/question/25968875

#SPJ2

Answer these two questions pls (ill give u brainly)

Answers

Answer:

1a)81 b)54 c)27 d)0

Step-by-step explanation:

for number one the answer is 27 x what is given

Answer:

a) 8; b) 12; c) 6; d) 130.3 cm

Step-by-step explanation:

You want the number of small cubes painted on 3, 2, 1, and 0 faces if the outside surface of a cube comprised of 27 small cubes is painted. You also want the height of 200 L of water in a tank of 50 cm radius with a 20 cm radius hole in the middle.

1. Cubes

The number of cubes painted on 3 faces is the number of corner cubes: 8.

The number of cubes painted on 2 faces is the number of center-edge cubes, 12.

The number of cubes painted on one face is the number of center-face cubes, 6.

The number of cubes with no painted faces is the number of cubes buried inside, 1.

The painting is ...

3 faces: 82 faces: 121 face: 60 faces: 1

The total is 27, as it should be.

2. Height

The area of the base of the part holding water is ...

  π(50² -20²) = π(2500 -400) = 2100π cm²

The height of 200 L of water will be h, where the volume of the figure is ...

  V = Bh

  V = (2100π cm²)h = 200·1000 cm³

  h = 200/(2.1π) cm ≈ 30.3 cm

The height of the water in the tank will be about 30.3 cm.

__

Additional comment

When working with volumes in liters, it is often convenient to work with dimensions in decimeters (dm), where 1 dm = 10 cm. This is because 1 dm³ = 1 L.

Here, the area is π(5² -2²) = 21π dm², so the height is (200 dm³)/(21π dm²) ≈ 3.03 dm = 30.3 cm.

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PLEASE PLEASE HELP (DUE ASAP)! I was struggling a lot with this and I was hoping for an accurate answer! Name the correct angle using the given diagram

Answers

Answer:

Alright Ima jsut say common phrases and do em at the end

Veritcal angles:

Well these angles are equal and always across form each other. Too determine if its a vertical angle, if you see an “x” Like shape, you can draw a maximum of two lines, one horizontal, one vertical. The number those lines tough are vertical the fore the SAME.

Complementary angles:

These are 2 or more angles that add up to 90 degrees. You can have like 20 different angles with different numbers, as long as they add up to 90 degrees. 90 degrees is a right angle so no matter what, it has to equal 90 degrees from all angles.

Supplementary angles:

These are 2 or more angles that add up to 180 degrees or a straight line more common. As long as all the angles add up to 180, its supplementary.

Adjacent angles:

These are angle show lie next to each other. They don’t have anything special, their just next to each other. Ima use an example form the graph. Take for example the angle RNX. XNE is adjacent, its lies right next to it. Another Example could be KND. DNE is adjacent, right next to it.

1) ANR

2) KNE

3) KND

4) RNX

Pls help and find both will give brainlest!

Answers

Count all the sides then add them up

please help
The picture should be there. I got there is that right?

Answers

Answer:

h=9

Step-by-step explanation:

Use the picture were it says a, b, c, d those are the steps

Answers

Answer:

c

Step-by-step explanation:

PLZZZ help with this

Answers

Answer:

I D K A and C but B is 776 and 29 D is 101 and 8 I hope i helped

Step-by-step explanation:

(b) 5x^2+1

5(5)^2+1

25^2+1

775+1

776

x^2+4

5^2+4

25+4 29

(d) 5x^2+1

5(2)^2+1

10^2+1

100+1

101

x^2+4

2^2+4

4+4

8

Please help me on this I do not understand

Answers

I think it is 301.44 units^3. I am sorry if this answer is not right
I think it’s 301.44 units ^3

Find the value of k. Give your answer in degrees.

Answers

Answer is 25 degrees.

Answer:

k=12

Step-by-step explanation:

Top left angle is 84 degrees also, due to alternate interior angles cut by the transveral.

2 sides are congruent, leaving bottom left corner angle also 84 degrees.

Write an equation to solve for k:

84+84+k=180

simplify

168+k=180

subtract 168 from both sides

k=12

Hope this helps! :)

Gallon
3
2
1
OC
2
5
6
2
8
10
Minutes
The graph represents the gallons of water (/) per minute (x) dispensed by a shower head. Which statements are correct?
A)
Point (0,0) represents the unit rate,
8)
Point (5, 1) represents the unit rate,
Point (1,5) represents the unit rate.
D)
7.5 gallons of water are used in 1.5 minutes,

Answers

Answer:

I'm gonna base this off of gallon being y and minutes x

Step-by-step explanation:

it dosnt say it starts with any water in it and I have no numbers to base this so I'm gonna say that it passes through the origin and unit rate depends on how many gallons a minute just take 2 minutes and 1 gallon right well that would be .5 for unit rate hope this helps you

The average surface temperature of a red giant star is much cooler than that of a white dwarf star. Suppose a white dwarf has a surface temperature of 1.2 x 10*4 Kelvin (abbreviated K), which is 4 times the temperature of a red giant star. WHat is the surface temperature of the red giant star?

Answers

Answer: 3000 Kelvin

Step-by-step explanation

Let the surface temperature of the red giant star = x

Surface temperature of a white dwarf star = 4x

4x = 1.2 × 10^4 K

    = 1.2 × 10,000 K

    = 12,000 K

4x = 12,000 K

x = 12000 ÷ 4

  = 3,000 K

Answer:

soorrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrry

Step-by-step explanation:

Explain two different ways to show the possible choices for a car with 6 cylinders or 4 cylinders and with the colors red, blue, green, or white.

Answers

Answer:

Step-by-step explanation:

khanacademy.org/math/cc-seventh-grade-math/cc-7th-probability-statistics/cc-7th-compound-events/v/tree-diagram-to-count-outcomes

grades on a science test are shown in the box plot below.



Find the correct data that the box plot represents.


A) 78, 81, 89, 75, 76, 91, 100, 63, 80, 87, 91, 95

B) 55, 81, 89, 75, 76, 91, 100, 63, 80, 87, 91, 95

C) 78, 81, 45, 75, 76, 91, 100, 63, 80, 87, 91, 95

D) 78, 81, 89, 75, 76, 91, 100, 63, 80, 87, 91, 110

Answers

Answer:

d

Step-by-step explanation:

IF IT IS GOOD THEN I WILL GIVE BRAINLIEST!!!

Answers

Answer:i dont know. Maybe try khan academy? Good lucK!:)

Step-by-step explanation:

I think the answer is 51.1

Please helppppp ASAP

Answers

Answer:

for every 1 packet you get 10 plants

for every 1 pound there are 5 cups

Step-by-step explanation:

For one packet you get 10 plants
For 4 pounds of sugar you get 20 cups

Moira mailed two birthday presents in a box weighing 1/4 pound. One present weighed 1/5 pound. The other present weighed 1/2 pound. what was the total weight of the box and presents?

Answers

Answer:

19/20LBS

Step-by-step explanation:

Eve wants to buy a balance beam. The original price is $388. How much will Eve pay if she buys it during the sale? It was on sale for 75%!

Answers

Answer:

Eve will pay $97 if she buys it during the sale.

Step-by-step explanation:

price during sale = original price - (original price * discount percentage)

disc. % = 75%

75% = 0.75

pr. = 388 - (388 * 0.75)

pr. = $97

Answer:

97$

Step-by-step explanation:

The final bill for dinner, including tip, was $172.50. If the diners tipped 15%, what was the bill before the tip? Write just the value that represents your answer.

Answers

Answer: The bill was $150 without tip and 172.50 with tip

Step-by-step explanation:

The bill was 150 before the added tip

I need help with all of It pls

Answers

Answer:

can you retake it

the ans is the 3 one

Step-by-step explanation:

Can someone please help me find the sum of each interior angle measure of the polygon, and can you please explain. I need help on both of these questions.

Answers

Answer:

I'm sorry I have no clue what this is. What grade are you in? I'm in seventh and  I have never learned anything like this lol.

Step-by-step explanation:



3)first you count the sides
There are 8 sides

The equation of of finding the sum of all the interior angles is (n-2)*180
(8-2)*180
=6*180=1080

To find the measure of one interior angles divide the answer by the number of sides
900/8=112.5



4)first you count the sides
There are 7 sides

The equation of of finding the sum of all the interior angles is (n-2)*180
(7-2)*180
=5*180=900

To find the measure of one interior angles divide the answer by the number of sides
900/7= 128.57

Kay is using cone-shaped party hats as popcorn holders. The party hats have a diameter of 10 inches and a height of 9 inches. How many cubic inches of popcorn will they hold? Use 3.14 for pi. Round your answer to the nearest Cubic inch.

Answers

I think that the answer is B.
The answer should be B

which is equivalent to da ratio of 225:50
a. 4:1
b 9:200
c 175:1
d 9/2
e 2/9

Answers

That would be 9/2 , 225/50=4.5 and 9/2=4.5
Hope this helps

Answer:

9/2

Step-by-step explanation:

PLS HELP! (Picture included)
A slice is made parallel to the base of a right rectangular pyramid, as shown.

What is the area of the resulting two-dimensional cross-section?

Enter your answer in the box.
cm²

Rectangular pyramid intersected horizontally by a rectangle. The front edge of the base of the pyramid is labeled 2 centimeters, and the right edge is labeled 4 centimeters. The height of the pyramid is labeled 8 centimeters. The part of the larger rectangle that intersects the pyramid is a smaller gray rectangle. The front side of the smaller rectangle is labeled 1 centimeter, and the right side is labeled 2 centimeters.

Answers

Answer:

The area of the cross section is 2 cm^2.

Step-by-step explanation:

If I am understanding your problem correctly, we are just looking for the area of the grey rectangle, which is the cross-section.

The length and width of this gray rectangle are already given to us. They are 1 and 2. Just multiply them to get the area.

1 x 2 = 2 cm^2

can you do this one pls

Answers

Answer:

it is 3.00

Step-by-step explanation:

as you can see first we define the variables

1. the y axis(vertical) represents the cost of peaches while the x axis (the bottom one) represents the number of pounds

2. then we find a place where the line crosses the grid but exactly on the corner of the box

3. when we have found our point which is (2,6) it means that every 2 pounds of peaches is 6 dollars

4. divide 6/2 and you get 3 dollars!

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Would you rather have a test with 10 questions or a much larger number of questions? Please provide a reason use the english and metric equivalents provided at the right, along with dimensional analysis, to convert the given measurement to the unit indicated. dm to in.english and metric equivalents1 in = 2.54 cm1 ft = 30.48 cm1 yd ~0.9 m1 mi ~0.6 kmin the english system. 30 dm is equivalent to ____ in ( round to the nearest hundredth as needed) use dimensional analysis to show that the units of the process transconductance parameter k'n are a/v2. what are the dimensions of the mosfet transconductance parameter ? The entire market for a good is 1,000 units, and the minimum efficient scale is 5 units. Which of the following terms accurately describes this market?InefficientConcentratedFragmentedMonopolizedDiseconomy what are the key points of contention on this topic death with dignity Mark and Spencer Limited issued a semi-annual interest rate bond with a face value of $1,000. 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