taishawnabdussa taishawnabdussa

17-10-2018
Mathematics

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If a and −a are numbers on the number line, which expression MUST give the distance between them?

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altavistard altavistard

19-10-2018

Answer:

|2a|

Step-by-step explanation:

Note that distance is positive. a less -a comes out to +2a, which is the distance between and -a.

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