roycallender01
19.01.2020 •
Mathematics
Which of the following is the algebraic expression that best describes the sequence 7, 14, 21, 28
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Ответ:
The answer would be plus 7, because it refers to each number.
If you said times 7, 14 times 7 would not equal 21.
However, 14 plus 7 is 21.
Hard to explain.
Ответ:
The answer is 7x because 7+7=14, and 14+7=21, and 21+7=28.
Ответ:
1
Step-by-step explanation:
2m + 1 - 2m
combine like terms
2m - 2m + 1
1
hope this helps