Mathematics Middle School


Question Help
A bag contains 7 green marbles and 14 orange marbles. If a representative sample contains 3
green marbles, then how
many orange marbles would you expect it to contain?

Answers

Answer 1

Answer:

I think 6

Step-by-step explanation:

Why I think six is because 7+7 or 7*2 is 14 so therefore if there are 3 their should be six because 3+3 or 3*2 equals 6

Answer 2

Answer:

6 Marbles

Step-by-step explanation:

Related Questions

pLEASE HELP ME
Carlos has $40 to spend on food for a barbeque. He wants to buy hot dogs and hamburgers and then buns for each. Carlos has already spent $31.56 on the hot dogs and hamburgers. Write and solve an equation to find, r, the amount of money Carlos can spend on rolls. Make sure to show all work. [3 points]
Equation:
Solution:

Answers

Answer:

40=31.56+r     r=8.44

Step-by-step explanation:

40   =  31.56 + r

-31.56 -31,56

8.44=x

Hope this helps :)

Lilian wants to give 1/3 of a pizza to each of 6 girls at her party. Drag and drop the correct equation and answer to find how many pizzas Lilian needs. Lilian can use the equation to find how many pizzas she needs.
Answer choices in photo​

Answers

Answer:

1/3 multiplied by 6 = n

Step-by-step explanation:

1/3 times 6/1 which is the same as 6 is equals to 18

I guess

Equation: 1/3 • 6 = n
Answer: n = 2

Sheila shoots 25 free throws in basketball practice. She makes 17. What percent of her free throws does Sheila make?
A. 17%
B. 34%
C. 43%
D.68%

Answers

Answer:

D

Step-by-step explanation:

because I know it is

why do I have to have 20 characters

68% Would appreciate if u marked me brainlyest

Identify C on the following diagram (will report if you are here for points)

Answers:

origin

x-axis

y-axis

quadrant I

Answers

Answer:

The x - axis

Step-by-step explanation:

The line that is horrizontal is always the x - axis

the answer to that one is 17 x 58 + 42 x y.

Solve 1+1/2(y−2)=3/2x for y. Then tell whether x and y show direct variation.

Answers

Answer:

1+1/2(3x−2)=3/2x

y = 3x

please help me with this i will mark brainliest

Answers

Answer:

w=93

Step-by-step explanation:

Answer:

= 93

Step-by-step explanation:

Help me | please and thank you!! ( picture attached)

Answers

Answer:

I think te first part is 10/8

The second part i think is 0

Step-by-step explanation:

Hope it helps you can report me if im wrong

Answer:

[tex]2*\frac{5}{8}=\frac{10}{8}= 1\frac{1}{4} \\\\Mixed form: 1\frac{1}{4} \\\\Decimal form: 1.25\\\\Exact form: \frac{5}{4}[/tex]

Hope this helps :)

-ilovejiminssi♡

If you cut the cylinder perpendicular to the base, meaning straight up and down, what 2D shape is created by the cross section ?
A. oval
B. rectangle
C. circle

Answers

Answer: rectangular I think

Step-by-step explanation: I’m not smart sorry if I did it wrong

Rectangle one reason there is a perpendicular cut up and down it’s a rectangle.

Determine the value of x.
-8 (x - 6) + 2x = 30

Answers

Answer:

x is 3

Step-by-step explanation:

im in algebra 1

Answer:

x=3

Step-by-step explanation:

-8(x - 6) + 2x = 30

-8x + 48 + 2x = 30, distributive property

-6x + 48 = 30, addition property

-6x = -18, subtraction property

x = 3. division property

15/2...7
if the three dots is one number what are all possibel numbers?

Answers

add a photo. this is confusing

The mass of Hinto's math book is 4,312 grams. What is the mass of 5 math books in kilograms? (Round your answer to the nearest thousandth.)​

Answers

Answer: 21560 grams

ROUNDED IT WOULD BE

22000 grams

Step-by-step explanation:

4312 x 5 = 21560

The answers 22000 rounded to the neArest thousand

Describe how a root can be written using a rational exponent. Give an example.

HELP NOW

Answers

Answer:

To find the roots of a Rational Expression we only need to find the the roots of the top polynomial, so long as the Rational Expression is in "Lowest Terms". Lowest Terms means when the top and bottom of a fraction have no common factors.

Step-by-step explanation:

HELP ASAP Capone eats food at a constant rate. The formula below shows how many pounds of food he has remaining (y) after x days.

y=-1.2x+62

How much food does he have left after 15 days of eating? (round to the nearest tenth's place if necessary) (2 points)

Answers

I’m pretty sure that if y is pounds, and x is days than the answer would be 44?

I’m saying that it would be -1.2 x (15) +62 which is 44. Sorry if I’m wrong I’m kinda bad at math lol

Answer:

Step-by-step explanation:

M=-2

Chandler's salary used to be $161,280. After changing the amount of time he works, he has begun earning $169,344. By what percent did Chandler's salary increase?

Ack please help with this, and please please don't just put some random answer, just to get points, I really have no idea how to do this.

Answers

Chandlers salary increased by 5 percent, to find this answer you take his new salary and divide it by its old and the decimal is the percentage increase
It increased 8,000 so that means it went up 8 percent sorry if I’m wrong.

Conor and Jake's lunch cost 13.00. They left a 15% tip. How much did they leave?

Answers

1 dollar 95 cents is how much they left

A tree initially measured 38 1/2 feet tall. Over the next 5 1/2 years, it grew to a final height of 49 1/2 feet. During those 5 1/2 years, what was the average yearly growth rate of the height of the tree?

Answers

Answer:

2feets per year

Step-by-step explanation:

49,5-38,5=11feets --->this is how much it grew in 5,5years

11/5,5=2feets/year --->this is the yearly rate

I might be a little late but I’m pretty sure it’s 2ft every year

The model represents the equation 3x – 2 < 4. What is the solution for this inequality?
A.)x < 6
B.)x < -3
C.)x < -2
D.)x < 2

Answers

Answer:

D

X < 2

Explanation:

Step-by-step explanation:

x is lesser than 2

3x>4+2

x>6/3

x>2

pls help its a grade

Answers

Answer:

9

Step-by-step explanation:

3 divided by 9 is 3

3+2=5

Answer:

x=9

Step-by-step explanation:

What is the solution to the following equation?

6/7 x + 7(x- 1) =-3(1/7 x- 1) + 7x

x = - 9/7
x = - 70/9
x = 9/7
x = 70/9

Answers

Answer:

7 7/9

Step-by-step explanation:

Simplify each expression....remember you can
use combining like terms or any of the properties
from 6.06
1.) 7y + 7y=
2.) 5x + 3x =
3.) 8y + 2x =
4.) 2(4x + 2) =
5.) 2(3x + 3) =
6.), 8x + 4 =

Answers

1. 14y
2. 8x
3. 2x + 8y
4. 8x + 2
5. 6x + 6
6. 8x + 4
1) 14y
2) 15x
3) 8y + 2x
4) 8x + 4
5) 6x + 6
6) 8x + 4

For a loan of $40,000 at 12% for 10 years, how much do you wind up paying back?

88,000
8,000
80,000
plz show work

Answers

Answer:

um

Step-by-step explanation:

um

40,000x.12=4,800
4,800x10=48,000
48,000-40,000=8000
Answer is 8,000

The number of calories burned by a 90-pound cyclist is proportional to the number of hours the cyclist rides. The equation to represent this relationship is y = 225x. What is the constant of proportionality?

Answers

it should be 135





hope this helps

The constant of proportionality is 225.

Given that,

The number of calories burned by a 90-pound cyclist is proportional to the number of hours the cyclist rides. The equation to represent this relationship is y = 225x

Based on the above information, the calculation is as follows:

y = kx

So here the constant should be 225.

Learn more: brainly.com/question/17429689

Please help me with this i might give you brainliest for this

Answers

Answer:

9 cm^2

Step-by-step explanation:

you would do 3 * 3, which would give you 9, then divide it by 2 to get 4.5, then add 4.5 to itself, and that is your answer

Of the 800 participants in a marathon , 120 are running to raise money for a cause.How many participants out of 100 are running for a cause?

Answers

Answer:

║∅║------------------Hello Friend----------------║∅║

Your answer should be:

15% is running for a cause.

120 out of 800 are running for a cause.

So out of 100,  120 / 8

= 15 are running for a cause.

15 out of 100 = 15%.

Step-by-step explanation:

I hope this helped.

(Brainliest would be appreciated)

Have a great day!

Answer:

15% is running for a cause.

Step-by-step explanation:

What the other person put as the explanation is accurate so I did not just rewrite it.

You can look at their answer for the explanation!

Click on the correct answer.

The Malt Shop sells milkshakes at a 90% markup. If the Malt Shop pays $1.20 per milkshake, what is the price for customers?
A $1.08
B $1.31
C $2.10
D $2.28

Answers

Answer:

A, $1.08

Step-by-step explanation:

1.20 / 90 = 1.08

use a calculator

It’s d because 90% of 120 is 1.08 so you add the 1.08 to the 1.20 and you get 2.28 trust me it’s correct

Plz help thank you :) Karen spent $32 on fruit at the grocery store. She spent a total of $40 at the store. What percentage of the total did she spend on fruit?

Answers

32 is 80% of 40. Karen spent 80% on fruit and 20% on misc items.
Answer: 80%

Answer:

she would have spent 80% of the total on fruit

Step-by-step explanation:

pls help me i dont understand

Answers

Answer:

[tex]392[/tex] [tex]m^3[/tex]

Step-by-step explanation:

To find the volume you need to multiply the length, width and height. Our height is 7m, our width is 8m and our length is 7m, and when multiplying you get 392.

Answer:

The answer is 392

Step-by-step explanation:

you multiply 7 times 7 times 8=392

                   don't forget to give me brainliest

I NEED HELP ILL GIVE U BRAINS: PLZ

Answers

Answer:

40, 50, 60, 70, for the top, and 5 for the bottom

Step-by-step explanation:

A map company used a scale of 1 inch : 380 meters to depict the heights of different mountains. What is the height of a mountain on map, which is actually
3420 meters high?
The height of the mountain on the map is
inches

Answers

Answer:

more info or is that it

Step-by-step explanation:

10 points if you answer this

Answers

Answer:

I would but I cant see the image. Comment on this answer the question I may be able to help you.

Step-by-step explanation:

Answer: 29, 2,64 i think

sorry if i am wrong

Step-by-step explanation:

pls mark brainliest or just press thanks

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