Saturday

March 28, 2015

March 28, 2015

Posted by **manda** on Wednesday, October 2, 2013 at 11:50am.

- math -
**Reiny**, Wednesday, October 2, 2013 at 12:23pm169 = -16t^2 + 104

16t^2 = -65

no solution,

it will never reach 169 ft, the maximum height is 104 ft when t = appr 2.5 seconds

- math -
**Bosnian**, Wednesday, October 2, 2013 at 12:38pmIf -16t^2+104 mean :

- 16 t ^ 2 + 104 t

then :

in google type :

quadratic equation online

Wfen you see list of results click on :

Free Online Quadratic Equation Solver: Solve by Quadratic Formula

Select one of method.

Then in rectangle type :

- 16 t ^ 2 + 104 t = 169

and click option : solve it !

You will see solutions step - by - step

In this case solution are :

t = 13 / 4 sec = 3.25 sec

**Answer this Question**

**Related Questions**

MATH - The height h (in meters) of a cannonball t seconds after it is fired into...

Pre-Calculus - 1. A projectile is fired straight up from a height of 6 feet. Its...

math - A ball is thrown into the air with an upward velocity of 20 ft/s. Its ...

Math - a punter kicked the football into the air with an upward velocity of 62 ...

Alg 1 - A baseball player hit a ball with an upward velocity of 46 ft/s. Its ...

Math - 11. A rocket is fired upward from some initial height above the ground. ...

Math - A model airplane is shot up from a platform 1 foot above the ground with ...

algebra - A ball is thrown upward from a height of 240 feet. the height h of the...

algebra - A ball is thrown into the air with an upward velocity of 28 ft/s. Its ...

math - a baseball is hit with an initial velocity of 75 feet per second from the...