raheeeq
15.07.2019 •
Mathematics
Which property is not used to simplify the following expression? (x+2) times 5-7=5(x+2)-7 =(5x+10)-7 =5x+(10-7) =5x+3 a) distributive property b) associative property of addition c) commutative property of multiplication d) commutative property of addition
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Ответ:
(x + 2) * 5 = 5(x + 2) commutative property of multiplication
5(x + 2) = 5x + 10 distributive property of multiplication over addition
(5x + 10) - 7 = 5x + (10 - 7) associative property of addition
The only listed property that was not used was commutative property of addition.
Ответ:
5.52
8.28
3.45
6.555
24.84