Answer:
Step 4
Step-by-step explanation:
Step 4 is incorrect because when you add the number from the right side, -34, you make it a positive coming to the left side, -17, which stays the same. so 34+-17, will give you 17.
This will make Step 4: Addition property of equality: -17x=40
Therefore Step 5 is also incorrect, and should look like: Step 5: Division Property of Equality: x= 40/-17
Answer:
c
Step-by-step explanation:
just took the test
Answer: the length of the base is 17.7
Step-by-step explanation:
Since 30 lights are 40% of them:
30*2= 60
Since 2*40= 80
We still need the 20 percent.
Half of 40= 20.
30/2= 15
So, 15+60= 75
75 is the number of lights on the tree.
I hope this helps!
~cupcake
