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PtichkaEL [24]
3 years ago
7

Which expression is equivalent to 12x + 20y?

Mathematics
1 answer:
MariettaO [177]3 years ago
6 0
15x+20y+5z I’m pretty sure
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How to solve. 3r+2(12r+7)less than or equal to 5r-8
natita [175]
The answer to the question

8 0
3 years ago
Which mathematical law or property is used to rewrite the following expression?
ra1l [238]
<h3>Answer: Commutative Property Of Addition</h3>

Explanation:

This property is where we have A+B = B+A. In other words, adding two numbers can be done in any order. This can be extended to more than two values also.

So, 4+6 = 6+4 since both sides result in 10.

Overall it leads to 2+(4+6) = 2+(6+4) being a true equation as well. Both sides simplify to 12.

3 0
2 years ago
To eliminate the x terms and solve for y in the fewest steps, by which constants should the equations be multiplied by before ad
aliya0001 [1]

Answer:

See below.

Step-by-step explanation:

Here is an example:-

Solve by elimination:

2x - 3y  =   0

3x + 2y =  13

To eliminate the y terms Multiply the first equation by 2 and the second by 3. This gives:

4x  - 6y = 0

9x + 6y = 39      Adding the 2 equations:

13x + 0 = 39

13x = 39

x = 39/13 = 3

Finally we find y by plugging x = 3 into the first equation:

2(3) - 3y = 0

3y = 2(3) = 6

y = 2.

4 0
2 years ago
The set below only contains which types of numbers?
DIA [1.3K]

Answer:

rational numbers

Step-by-step explanation:

6 0
3 years ago
Which of these numbers are between 1 and 3/5 <br><br> A. 8/5<br> B. 5/9<br> C. 5/8<br> D. 3/8
monitta
8\5 I think but not sure
5 0
4 years ago
Read 2 more answers
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