Answer:
7
Step-by-step explanation:
15 + (-8)
7
The answer would be 7 because you are only taking 15 plus negative 8 which would technically be the same as taking 15 minus 8, which would be 7.
Hope this helps! Please mark as brainliest! Thanks! Let me know if you need anymore help! :D
The max height will be reached after 3 seconds.
You have a typo in your equation. For this type of quadratic equation, it always starts out with a negative coefficient of the t squared term.
To find the x-coordinate of the vertex, we just need to use the expression: -b/2a.
Then, we have:
-24 / (2(-4))
-24 / -8
3
I think it’s 9hrs 15 mins
