50=-16t^2+20t+2.5

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Solution for 50=-16t^2+20t+2.5 equation: 



50=-16t^2+20t+2.5

We move all terms to the left:

50-(-16t^2+20t+2.5)=0

We get rid of parentheses

16t^2-20t-2.5+50=0

We add all the numbers together, and all the variables

16t^2-20t+47.5=0

a = 16; b = -20; c = +47.5;
Δ = b2-4ac
Δ = -202-4·16·47.5
Δ = -2640
Delta is less than zero, so there is no solution for the equation

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