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Which expression illustrates the associative property of addition?

(3 + 19) – 12 = (3 + 12) - 19
O 3 + (19 - 12) = 3 + (19 + 12)
(3 + 19) – 12 = 3 + (19 - 12)
o 3+ (19 - 12) = 3 - (19 + 12)

2 Answers

4 votes

Answer:

its c

Step-by-step explanation: on edge

User Jaredbaszler
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5 votes

Option C

(3 + 19) - 12 = 3 + (19 - 12) represent associative property of addition

Solution:

The associative property of addition of three numbers a, b and c is given as:


a+(b+c)=(a+b)+c

Option A

( 3 + 19 ) - 12 = (3 + 12) - 19

Here, +19 in left side of equation is written as -19 in right side of equation

Therefore, it does not represent associative property of addition

Option B

3 + (19 - 12) = 3 + (19 + 12)

Here, -12 in left side of equation is written as +12 in right side of equation

Therefore, it does not represent associative property of addition

Option C

(3 + 19) - 12 = 3 + (19 - 12)

22 - 12 = 3 + 7

10 = 10

This represents associative property of addition

Option D

3 + (19 - 12) = 3 - (19 + 12)

3 + 7 = 3 - 7

10 not equal to -4

Therefore, it does not represent associative property of addition

User Kyle Goslan
by
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