Answer:
Step-by-step explanation:
Given equation is representing the graph of parabola which opens down and its pick is its vertex
<u>The vertex is calculated by vertex formula:</u>
- x = -b/2a for the equation y = ax² + bx + c
<u>In our case t is the vertex and its value is:</u>
- t = -42/(-1.5*2) = 42/3 = 14 seconds
I'm going to put it into decimals because it is easier.
3.5*1.5=5.25 or

Hope that helps
Answer:
C.
Step-by-step explanation:
I cant really explain it but i had the same question and had the answer worked out on the paper
Hope it helps :3 (tell me if it was right or wrong so i know if i need to fix something later)
Answer:
tge answer is 36 mintutes. can i be brainelest?
Step-by-step explanation:
Answer:
16/5 or 3.2
Step-by-step explanation:
4cm/5km = x/4km
Cross multiply to find answer