Answer:
Step-by-step explanation:
we know that
There are 
people in Springfield. 
of the population of Springfield are under the age of 
so
To calculate how many people are under in Springfield
Multiply by
Good evening Gloria
3t(t+2)-3t² for t=19
Well the first thing we need to do is to replace 19 everywhere we see T
So let's do it together
3(19)(19+2)-3(19)²
57(21)-3(361)
1197-1083
= 114
I hope that's help and if you have questions please let me know :)
Please give my answer a Thanks and stars ↓
We are basically given most of what we need to calculate the height of the cannonball.
We use the formula h = –16t+ vt + s to find the height requested.
Let v = 160
Let s = 10
Let t = time in seconds
Was the value of t included? We need to know t to plug into our formula.
You know everything else except for t. Go back to your notes to search for t. Afterward, plug the value of t and everything else given above into the formula and calculate to find h.
Answer:
144
Step-by-step explanation:
