SOLUTION: A football is kicked into the air. The height of the football model by h(t)=5t^2+16t+1, where h(t) is the height in meters and t is the time in seconds from its release. When will
Algebra ->
Systems-of-equations
-> SOLUTION: A football is kicked into the air. The height of the football model by h(t)=5t^2+16t+1, where h(t) is the height in meters and t is the time in seconds from its release. When will
Log On
Question 1162215: A football is kicked into the air. The height of the football model by h(t)=5t^2+16t+1, where h(t) is the height in meters and t is the time in seconds from its release. When will the football first reach a height of 13 meters? Found 2 solutions by Alan3354, ikleyn:Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! A football is kicked into the air. The height of the football model by h(t)=5t^2+16t+1, where h(t) is the height in meters and t is the time in seconds from its release. When will the football first reach a height of 13 meters?
--------------------------
h(t)=5t^2+16t+1 = 13
Solve for t
--------------------------
Notice that the football never comes back down.
You can put this solution on YOUR website! .
A football is kicked into the air. The height of the football model by h(t)=5t^2+16t+1,
where h(t) is the height in meters and t is the time in seconds from its release.
When will the football first reach a height of 13 meters?
~~~~~~~~~~~~~~~~
To be accurate, your formula is INCORRECT.
Learn to write Math formulas correctly.
For these specific problem, learn how to write the relevant formulas correctly.
Consider these lessons as your textbook, handbook, tutorials and (free of charge) home teacher.
Read them attentively and learn how to solve this type of problems once and for all.