Step-by-step explanation:
Average speed=<u>Total distance</u>
Total time
=<u> </u><u>8</u><u>4</u><u>m</u>
<u> </u> 42s.
=2m/s
Answer:
Average speed = 2 m/s
speed = distance / time
speed = 84 m / 42 sec
speed = 2 m/s
the third one
because if we calcul Δ
we get a negative number
What are the answer choices?
x=4y/5 + 24/5