15 (20)+6(60-20)= 240
15 (30)+6(60-30)=630
15(40)+6(60-40)=720
you can conclude that none of the numbers have anything in common except that they all end in a 0
Answer:
(2,-1)
Step-by-step explanation:
Rewrite in vertex form
y = -1/4(x-2)^2-1
Answer:
so the axis of symmetry is x=4
Answer:
0.08 minutes for a kilometer.
Step-by-step explanation:
If the track is 25 kilometers, and he runs 25 kilometers in 2 minutes, he runs a kilometer in 2÷25 minutes or 0.08 minutes which is 4.8 seconds.
I'm pretty sure the track isn't 25 kilometer or he can't run a lap in 2 minutes. But if so, the answer is 0.08 minutes.
The unit price is $1.23 (I think!!)