Respuesta :

wegnerkolmp2741o

Answer:

t = ± 4

Step-by-step explanation:

-16t^2+256=0

Subtract 256 from each side.

-16t^2+256-256=0-256

-16t^2=-256

Divide each side by -16.

-16 t^2/-16 = -256/-16

t^2 = 16

Take the square root of each side.

sqrt(t^2) = ±sqrt(16)

t = ± 4

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