is this commutative or associative (5+x)+6=5+(x+6) 4(mn)=(4m)(n )?

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is this commutative or associative (5+x)+6=5+(x+6) 4(mn)=(4m)(n )?

and (3a+b)+2c=2c+(3a+b)

2006-10-03 12:49:52 · 3 answers · asked by hjkhkkh l 1 in Science & Mathematics ➔ Mathematics

3 answers

associative
associative
commutative

2006-10-03 13:18:37 · answer #1 · answered by MollyMAM 6 · 0⤊ 0⤋

(5+x)+6 = 5+(x+6) is associative.

4(mn) = (4m)(n) is associative.

The last one is commutative. If (3a+b) was "x" and (2c) was "y", all they are saying is x+y = y+x

Regards,

Mysstere

2006-10-03 19:56:26 · answer #2 · answered by mysstere 5 · 0⤊ 0⤋

fisrt is associative and then distributive

2006-10-03 19:53:39 · answer #3 · answered by Phish 2 · 0⤊ 1⤋