etheringtonl9464 etheringtonl9464

16-12-2021
Mathematics

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which math expression means the sum of an unknown number and 15
A. 15 . X
B. x + 15
C. x - 15
D. 15 divided by x

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bushbella1110 bushbella1110

16-12-2021

B. sum means the answer to an addition problem. It is addition, an unknown number, X, and 15 is also in the equation.It has everything the problem is asking.

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MultipliedApple MultipliedApple

16-12-2021

Answer:

B

Step-by-step explanation:

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