A=0.2t2+0.1t+8

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Solution for A=0.2t2+0.1t+8 equation: 



=0.2A^2+0.1A+8

We move all terms to the left:

-(0.2A^2+0.1A+8)=0

We get rid of parentheses

-0.2A^2-0.1A-8=0

a = -0.2; b = -0.1; c = -8;
Δ = b2-4ac
Δ = -0.12-4·(-0.2)·(-8)
Δ = -6.39
Delta is less than zero, so there is no solution for the equation

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