36 there you go I hope you understand
Answer:
D is eliminated as it goes down to 4, if counted by 1. The answer is B. y= 1/2x² – 4
"The
segment connecting the midpoints of two sides of a triangle is parallel to the
third side and equals its half length"
so that:
(x-3)=0.5(2+x)
solve for x:
x=8
The difference between your speed is 6 miles per hour: that means that every hour you move 6 miles relative to your friend. But you only need to catch up 3 miles: half of it. So you'll catch up after 30 minutes.
