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Elis [28]
3 years ago
9

5m -3m + 4 (m + 2) answer

Mathematics
2 answers:
inn [45]3 years ago
8 0
6m+8 is the answer to this question
Sauron [17]3 years ago
6 0

Answer:

6m+8

Step-by-step explanation:

1) Distribute

5m - 3m + 4m + 8

2) Combine like terms

6m+8

You might be interested in
4a. In a book store, for every 9 books sold, 13 magazines were sold. If they had a 572 sales, how many of the sales were for boo
topjm [15]

Answer:

234 books.

Step-by-step explanation:

You need to set up a proportion. Be careful to note what it looks like and the explanation that follows.

9 books            13 magazines

=======     =     ===========

x                        572 - x                Cross multiply

What you want is the number of book sales from the proportion.

However all you have is the ratio of books to magazines. So you have to set up the total sales to magazines, which is a bit awkward.  572 - x is the number of magazine sales.

9*(572 - x) = 13x                        Remove the  brackets on the left.

5148- 9x = 13x                           Add 9x to both sides.

5148 = 13x + 9x                         Transpose and add the right.

22x = 5148                                Divide by 22

x = 5148/22

x = 234                    

234 books were sold.

5 0
3 years ago
Solve the equation 4(x - 1) = 13 for x​
Masja [62]
Answer x=4.25 or 4 1/4
8 0
3 years ago
Read 2 more answers
You are going to make three shelves for your father and have one piece of lumber 20 feet long. Your plan is to make the top shel
cupoosta [38]

Answer:

The top shelf is 5 feet, the middle shelf is 5.5 feet and the bottom shelf is 9.5 feet

Step-by-step explanation:

Let t= length of the top shelf, m = length of middle shelf and b = length of bottom shelf.

Therefore:

t = m - 1/2; m = t  + 1/2

Also, b = 2t - 1/2

The total of the three shelves is 20 feet, therefore:

t + m + b = 20

Substituting:

t + t + 1/2 + 2t - 1/2 = 20

4t = 20

t = 20/4

t = 5 feet

m = t + 1/2 = 5 + 1/2 = 5.5 feet

b = 2t - 1/2 = 2(5) - 1/2 = 9.5 feet

The top shelf is 5 feet, the middle shelf is 5.5 feet and the bottom shelf is 9.5 feet

4 0
3 years ago
SOMEONE PLEASE HELP, ITS URGENT
zloy xaker [14]
B………………………………;;,………………………….
4 0
3 years ago
Read 2 more answers
Which expression has a simplified expression of 5x - 12?
zimovet [89]
<span>A. 3(4x - 4) - 7x = 12x - 12 - 7x = 5x - 12   yes

B. -3(4x - 4) - 7x = -12x + 12 - 7x = -19x + 12 no

C. 3(-4x + 4) - 7x = -12x + 12 - 7x  = -19x + 12 no

D. -3(-4x - 4) - 7x = 12x + 12 - 7x = 5x + 12 no

Answer is A.</span>
8 0
4 years ago
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