MATHEMATICS MIDDLE SCHOOL

What is 9 times as many square feet as 81

Answers

Answer 1
Answer:  I think you multiply 81 and 9 then divide 3 then it = 243
Answer 2
Answer: 81•9= 729 divide by 3= 243

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There were 1200 boys at a school assembly. The ratio of boys to girls at the assembly was 20:23. How many girls were at the assembly?
What is straight, is part of a line, and has 2 end points?
What is the LCD for the fractions 5/6 and 3/8 PLZ HURRYa. 14 b. 18 c. 24 d. 48
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What is 828,076 rounded to the greatest place

Answers

you would round 828,076 to the hundred thousands place to get 800,000
Rounded to the nearest would be 800,000

i did my 500 Indianapolis car race in 6.7 hours. To the nearest hundredth, what was the average speed of the car in miles× hr?

Answers



miles per hour = 500 / 6.7 = 74.63 miles per hour

Jenna buys 12 lb of meat. Some of the meat is chicken and costs $1.90/lb. The rest is beef, which costs $4.30/lb. She spends a total of $34.80Which equation models this situation?
Let c represent the number of pounds of chicken she buys.
A. (1.9 + 4.3)(12 – c) = 34.8
B. 4.3c + 1.9(c + 14) = 34.8
C. 4.3c + 1.9(12) = 34.8
D. 1.9c + 4.3(12 − c) = 34.8

Answers

The answer of this question is c
4.30c+1.90 (12)=$34.80

Julia works at a music store. One of her jobs is to stock new CDs on the shelf. A recent order arrived with 215 classical CDs, 125 jazz CDs, and 330 soft rock CDs. Part A
julia needs to place the CDs on the sale racks wth 5 CDs in each group. Write two different equations that can be used to show how many groups, g Julia will use to arrange all the CDS.
Equation:

Answers

Solution:

Total Number of CD's=215 classical CD's + 125 jazz CD's, and 330 soft rock CD's

       =215+125+330

      =340+330

      =670 CD's

Number of CD's that Julia want to place in each group = 5 CD's

There are two ways in which 5 CD's can be placed in a group, either 5 CD's in a row or 5 CD's in a Column.

Let number of rows that contain 5 CD's in a group in the shelf = x

And, Number of Columns which contain 5 CD's in a group in the shelf= y

Equation containing number of groups containing 5 CD's can be written as

→5 x=670

OR

→5 y= 670

Total number of groups in either case will be

=(670)/(5)\n\n=154
Equation: {[(215+125)+330)]/5} /is divided by.

Last week at Best Bargin, 75% of the computers sold were laptops. If 340 computers were sold last week, how many were laptops?

Answers

75% of 340 is 85 so 85 laptops were sold at Best Bargin

It’s 255 because you multiply 75 times 340 then divided by 100 then get 255

The relationship between capacity

fluid ounces

Answers

Answer
Fluid ounce is a fraction of a capacity.

Explanation
Capacity is a term is define how much a container can hold a liquid. It is defined as the maximum amount of something that a container/object can contain.
Fluid ounce is a unit of capacity which is equal to one twentieth of a pint. Where a pint is a fraction of a litre which is approximately (28/100)of a litre.  
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A city has two water towers. One tower holds 7.35 x 105 gallons of water and the other tower holds 9.78 x 105 gallons of water. What is the combined water capacity of the two towers?A) 1.713 x 106 B) 1.713 x 105 C) 1.713 x 104 D) 17.13 x 106