Homework Help: 7th grade algebra

Posted by Canyon on Wednesday, August 27, 2008 at 11:26am.

Cliff diver jump from a height of 85 to 115 feet above the water. After t seconds the diver has fallen 16tto the 2nd power feet.

does the diver jumping from 85 feet reach the surface of the water within 2 seconds- why or why not.

7th grade algebra - bobpursley, Wednesday, August 27, 2008 at 12:49pm
85=16*t^2
t^2=85/16

t= sqrt (85/16) You do the math.
7th grade algebra - Alexia Mate, Monday, October 20, 2008 at 8:48pm
85
7th grade algebra - Marisa, Monday, October 20, 2008 at 8:48pm
85
7th grade algebra - ????, Tuesday, November 1, 2011 at 8:04pm
67 feet

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