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AlladinOne [14]
4 years ago
13

What is 3m-7n=p for m

Mathematics
1 answer:
Tatiana [17]4 years ago
7 0

                                      3m - 7n  =  p

Add  7n  to each side:    3m        = p + 7n

Divide each side by  3 :    m      = (p + 7n) / 3

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Presley is organizing the school book sale. Each stall will have 40 books on the shelf and 2 boxes of books with b books inside.
xxMikexx [17]
Okay, I think your saying he has 200 total right, if so then you will say 200-20 over 2, so 180 divided by two = 80 in each box;   now- 40s +(2b)s +200  b=12 and s=8  so;  40x8+(2x12)8 + 200
                        320 +192 +200
                            712

Presley needs to have 712 books ready.
8 0
4 years ago
Simplify<br> 114<br> 11<br> 1<br> 1112<br> 01<br> 114<br> 0 114<br> 0 11 12
Karolina [17]
The answer is A. Im not exactly sure how to get there I just plugged it into my calculator.
6 0
3 years ago
A. Is the statement​ "Every elementary row operation is​ reversible" true or​ false? Explain.
Tatiana [17]

Answer:

This statement is "TRUE".

Step-by-step explanation:

Every elementary row operation is reversible. You can get the reverse answer  by multiplying by a constant or by multiplying by its inverse. You can  add one row to another row and subtract row 1 from row 2 to get it back.

3 0
3 years ago
A waiter earns $128 for six hours of work. The total included $86 in tips. How much does the waiter earn each hour??A waiter arm
Lady bird [3.3K]

Answer:

The waiter earns $7 per hour

Step-by-step explanation:

In this question, we are asked to calculate the amount a waiter earns per hour at work given the total he had earned including tips.

To solve this question, we can see that we have been given the total amount he has earned and also the amount he has also earned in tips.

Now, to get the standard amount he’s supposed to earn per hour, firstly, we have to subtract the amount he has earned in tips from the total. Mathematically that is 128-86 = $42

This means, by standard he has earned $42 in six hours. Now, we need to calculate the amount she earns by hour.

To do this, we simply divide the total amount earned by the number of hours.

Mathematically that is $42/6 hours = $7 per hour

4 0
3 years ago
Read 2 more answers
S-46=12 show your work ​
attashe74 [19]

Answer:

58

Step-by-step explanation:

s-46=12

s=12+46

s=58

8 0
3 years ago
Read 2 more answers
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