MATHEMATICS MIDDLE SCHOOL

Simplify; 5a+3b-7a+4b

Answers

Answer 1

Answer:

Answer:

$- 2 a + 7 b$

Step-by-step explanation:

We are given the following expression and we are to simplify it:

$5 a + 3 b - 7 a + 4 b$

Re-arranging this expression by writing the like terms together to get:

$5 a - 7 a + 3 b + 4 b$

Now simplifying it by adding and subtracting the terms to get:

$- 2 a + 7 b$

Answer 2

Answer:

Combine like terms:

5a-7a=-2a

3b+4b=7b

-2a+7b

Hope this helps!!

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450 centimeters to 675 centimeters

Please can someone tell me the answer

Answers

It affects the answer because parentheses signifies or implies that yoy are doing the operation inside of their that step comes first because if you forget about that step and move on it will affect your answer and you will get it wrong write this down

Hi there again! Anyways the answer is simple. The parenthesis r there for a reason. It is to show that that part is the one that u have to do first. So if the problem was (5-3)-1+2 u would have to do the parenthesis part first or u would get the wrong answer. I hope this helped u!

What is 83/9 as a whole or mixed number

Answers

mixed number: 9 2/9

1. How many 9's go into 83
2. It is 9 because 9*9 = 81 9*10=90 is bigger so not possible
3. 2 is left because 83-81 = 2
4. And don't forget the denominator

9 goes in to 81-- 9 times.
83 minus 81 is 2...as a mixed number of is that 9 2/9

In the number 913,256 what is the period that has the digits 913

Answers

The name of the period is the thousands period.

Thousands is the period

I need to know the answer

Answers

57.0142
.....................

it will be this 571420 there is ur answer

If there are 112 students for 14teachers, what is the fraction and the unit rate?

Answers

8/1
There is 8student per 1 teacher

112 students
14 teachers

$(112)/(14)$

$(112/14)/(14/14)$

$(8)/(1)$

8 students per teacher

9. Mr. Martinez is buying equipment for his school's computer lab. He has a budget of $7500. New desktopcomputers cost $600 each and new tablets cost $500 each. Which equation represents how much equipment
Martinez can buy with his budget?
a. 7500x + 600y = 500
c. 600x + 500y = 7500
b. 7500 + 600x = 500y
d. 600x = 500y + 7500

Answers

Answer:

Step-by-step explanation:

Final answer:

The correct equation representing Mr. Martinez's purchase scenario with his given budget is 600x + 500y = 7500, where x represents the number of desktop computers and y represents the number of tablets.

Explanation:

Mr. Martinez is buying equipment for his school's computer lab within a budget of $7500. The new desktop computers cost $600 each and new tablets cost $500 each. Let's define x as the number of desktop computers and y as the number of tablets. Therefore, the total cost of the computers and tablets purchased by Mr. Martinez should be equal to his budget. This gives us the equation 600x + 500y = 7500. Here, each computer (x) costs $600 and each tablet (y) costs $500. The total cost incurred will be the product of the unit costs and respective quantities, which is restricted by his budget of $7500.

Learn more about Linear Equation here:

brainly.com/question/32634451

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