MATHEMATICS MIDDLE SCHOOL

Which of the following shows 7 + (x + 4y) rewritten using the Associative Property of Addition? (3 points) Select one: a. 7 + x + 4y b. 7x + (4 + y) c. (7 + x) + 4y d. x + (7 + 4y)

Answers

Answer 1
Answer: i think it would be d.

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What is 5103 divided by 54

Answers

The answer is 94.5 I used a calculator so I am sorry If you need the long division way
5103 ÷ 54 = 94.5
alot of work would have to be shown to answer this and thats hard to set up lol but anyways hope this was helpful

Write 7340 in standard form

Answers

seven thousand three hundred and forty 
7,340 is in standard form

7000+300+40 is in expository form

Seven thousand, three hundred forty
Word form

Hope i helped

And ur welcome for those who say thanks

What is the surface area of the composite solid?(Picture 1)

A. 119 m2
B. 146 m2
C. 162 m2
D. 174 m2

Answers

Hence surface area of figure is  option d-174 m^(2)

What is surface area ?

The surface area of an object is the entire area filled by its surfaces. Varying 3D shapes have different surface areas in geometry, which may readily be determined using the formulas we'll learn in this lesson. The surface area is divided into two groups  lateral and total.

How to solve ?

the figure contains 3 , 3-d figures

one cube-3 m each,

1 cuboid-legth-9 m,height-3m-breadth-2 m,

1 cuboid- length-5 m, breadth-2m,height-2 m

hence surface area of 3 figures=

cube=6x^(2)=24m^(2)

cuboid=2(lb+bh+hl)=2(10+4+10)=48m^(2)

cuboid=2(lb+bh+hl)=2(18+6+27)=102m^(2)

add all we get =174 m^(2)

learn more about surface area-brainly.com/question/76387

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Answer:

Correct answer is C. 162 m2

Step-by-step explanation:

Three sections of fence need to be painted each section is made up of four equal sized boards Alexs paints 1/6 of the fence bobby pins twice as much as Alex Charles paints only one board David paints the rest who paints the largest part of the fence

Answers

If you would like to know who paints the largest part of the fence, you can calculate this using the following steps:

three sections of the fence ... 3 sections
four equal sized boards ... 4 boards
3 * 4 = 12 boards

Alex: 1/6 of 12 boards = 1/6 * 12 = 2 boards
Bobby: twice as much as Alex = 2 * 2 boards = 4 boards
Charles: 1 board
David: 12 - 2 - 4 - 1 = 5 boards

Result: The largest part of the fence paints David (5 boards).

A classroom's length is 3m less than two times its width. The classroom has a length of 9m. Solve an equation to determine the width of the classroom.

Answers

The equation would be 2w-3=9. Do the inverse operation for '3' on both sides of the equation. Then do the inverse operation on both sides of the equation for '2w'.

Write 240 and 1500 as products of their prime factor

Answers

Answer:

240=2^4* 3* 5

1500=2^2* 3* 5^3

Step-by-step explanation:

To find : Write 240 and 1500 as products of their prime factor ?

Solution :

We factor the number by dividing the least prime numbers,

2 | 240

2 | 120

2 | 60

2 | 30

3 | 15

5 | 5

  | 1

So,240=2* 2* 2* 2* 3* 5

or240=2^4* 3* 5

2 | 1500

2 | 750

3 | 375

5 | 125

5 | 25

5 | 5

  | 1

So,1500=2* 2* 3* 5* 5* 5

or1500=2^2* 3* 5^3
240 = 2 × 120
120 = 2 × 60
60 = 2 × 30
30 = 2 × 15
15 = 3 × 5
The 2, 2, 2, 2, 3 and 5 are all the prime factors of 240. So, 2^4 × 3 × 5

1500 = 3 × 500
500 = 5 × 100
100 = 5 × 20
20= 5 × 4
4 = 2 × 2
The 3, 5, 5, 5, 2 and 2 are all the prime factors of 1500. So, 2² + 3 + 5³
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