She mixed up the commutative and associative properties
Line 3 should be commutative and line 4 should be associative.
Line 3 is commutative because she swapped -3.4 and 8.2
Line 4 is associative because of the parenthesis groupings.
Other than that I don't see any other errors.
Answer:
omgg i have that same question for maa homework too.
Step-by-step explanation:
Answer:
y = 40/3
Step-by-step explanation:
For greater clarity please write 3y-8/12 =y/5 as:
3y-8 y
-------- = ------
12 5
Cross-multiplying, we get:
15y - 40 = 12y
Combining the y terms yields 3y = 40, so that y = 40/3
Answer:
nine inches. . because 5 2/3 is 5ft 8inch.