2 years ago

Which phrase represents the algebraic expression for r + 12?

Mathematics

2 answers:

r-ruslan [8.4K]2 years ago

7 0

The answer to your question is D

Softa [21]2 years ago

6 0

Answer: D) The sum of a number and twelve

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Explanation:

r = an unknown number

r+12 = sum of the unknown number and 12

The term "sum" refers specifically to the result of an addition problem.

As another example, saying 2+3 = 5 has a sum of 5.

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