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lil8174
16.09.2019 •
Mathematics
Which property do these belong to; the commutative property, the distributive property, and the associative property?
a - 3x25=(3 x 30)+(3 x 5)= 75
b- 15 x (2 x 4) = (15 x 2) x 4 = 120
c - 30 + 5.2 + 7 = 7+5.2 + 3- = 42.2
d- 5 x 13 = (5 x 10) + (5 x 3) = 65
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Ответ:
B is Associative property
C You probably typed it wrong but it's commutative.
D is Distributive
Ответ:
2 < x < 3
Step-by-step explanation:
4x - 4 < 8
4x < 12
x < 3
9x + 5 > 23
9x > 18
x > 2