Answer:
no
1/2 (8 - 4g) is 4 - 2g
4 - 2g doesn't equal 4 + 2g
The average change of altitude per minute would simply be
the ratio of distance descended over time. That is:
average change of altitude = distance / time
average change of altitude = 0.44 mile / 0.8 minutes
<span>average change of altitude = 0.55 mile / minute</span>
Substitue y=3x into the other equation to get 3x=-x+4. Solve this to get 4x=4 therefore x=1.
knowing this, y=3
Replace x with |4x|+5 and simplify
