Question

What property is shown by the equation?
Column A Column B
1.
(34 + 11) + 9 = (11 + 34) + 9
2.
25 + (–15 + 4) = (25 + (–15)) + 4
3.
–(–21 + 8) = 21 + (–8)
4.
–30 + (–16) = –16 + (–30)
A.
commutative property
B.
associative property
C.
opposite of a sum property

Answer 1

–30 + (–16) = –16 + (–30)What property is shown by the equation?
Column A Column B
1.
(34 + 11) + 9 = (11 + 34) + 9 A.commutative property
2.
25 + (–15 + 4) = (25 + (–15)) + 4 B.associative property
3.
–(–21 + 8) = 21 + (–8) C.opposite of a sum property
4.
–30 + (–16) = –16 + (–30)

Answer 2

@whpalmer4

Answer 3

@nbarrera_t @Drake6 @Deadly_Roses @Azionne @Anna1448 @AaronAndyson

Answer 4

that would be B

Answer 5

You have to aline them up with the right one

Answer 6

yea i know its B

Answer 7

1.b?

Answer 8

1. associative
2. associative
3. opposite of sum
4. commutative