Answer:
Step-by-step explanation:
What is the question?
Amount of change = 5.5-3.1 = 2.4 inches
Percentage change = 2.4/3.1 ≈ 77.4% increase
Answer:
96?
Step-by-step explanation:
I just did 32 times 3 and got 96, it might not be right but it's what I got with what I did
The mistake was when she multiplied the 2nd equation by 5, she forgot to also multiply that last number 10 by 5 as well.
correction :
5x + 3y - z = 15
-x + 2y + 3z = 10...multiply by 5
---------------------
5x + 3y - z = 15
-5x + 10y + 15z = 50 (result of multiplying by 5)
--------------------add
13y + 14z = 65
Answer:
the answer is: -4.0,2 I just took the test and it was right
Step-by-step explanation: