.5=t-4.905t^2

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Solution for .5=t-4.905t^2 equation: 



.5=t-4.905t^2

We move all terms to the left:

.5-(t-4.905t^2)=0

We add all the numbers together, and all the variables

-(t-4.905t^2)+0.5=0

We get rid of parentheses

4.905t^2-t+0.5=0

We add all the numbers together, and all the variables

4.905t^2-1t+0.5=0

a = 4.905; b = -1; c = +0.5;
Δ = b2-4ac
Δ = -12-4·4.905·0.5
Δ = -8.81
Delta is less than zero, so there is no solution for the equation

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