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​ can someone help me with my math problem?

 

 Jan 17, 2019
 #1
avatar+111357 
+1

h = -16t^2 + 64t + 80

 

The time for reaching the max height is     -64 / [ 2 * -16]  =  64 / 32   =   2 sec

 

Plugging this back into the function, we have

 

h = - 16(2)^2 + 64(2) + 80    =    - 64 + 128 + 80   =   144 ft

 

 

 

cool cool cool

 Jan 17, 2019
 #2
avatar-11 
-5

After alittle math I have came up with the answer it is 144ft 

 Jan 17, 2019

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