Posted by Jessie on Sunday, May 15, 2011 at 5:33pm.
A launched rocket has an altitude in meters, given by the polynomial h+vt4.9^2, h is the height in meters v is the velocity in meters per second and t is the number of seconds for which it takes the rocket to become airborne. If the rocket is launched from the top of a tower that is 100 meters and the initial speed is 60 meters per second, what will its height be after seconds rounded to the nearest tenth?

Algebra  drwls, Sunday, May 15, 2011 at 5:45pm
I suggest you start by learning to spell the subject.
Then take the time to type your equations correctly. It is much more likely to be
h = ho + vo*t  4.9 t^2. You left out t^2 term in any case.
ho is the initial height, 100 m.
vo is the initial speed, 60 m/s
Finally, in your question:
"what will its height be after ___ seconds rounded to the nearest tenth?"
you failed to say how many seconds.

Algbrah  Jessie, Sunday, May 15, 2011 at 6:41pm
A launched rocket has an altitude in meters, given by the polynomial h+vt4.9^2, h is the height in meters v is the velocity in meters per second and t is the number of seconds for which it takes the rocket to become airborne. If the rocket is launched from the top of a tower that is 100 meters and the initial speed is 60 meters per second, what will its height be after 4 seconds rounded to the nearest tenth?
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