5=1.75+0.75t-0.0625t^2

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Solution for 5=1.75+0.75t-0.0625t^2 equation: 



5=1.75+0.75t-0.0625t^2

We move all terms to the left:

5-(1.75+0.75t-0.0625t^2)=0

We get rid of parentheses

0.0625t^2-0.75t-1.75+5=0

We add all the numbers together, and all the variables

0.0625t^2-0.75t+3.25=0

a = 0.0625; b = -0.75; c = +3.25;
Δ = b2-4ac
Δ = -0.752-4·0.0625·3.25
Δ = -0.25
Delta is less than zero, so there is no solution for the equation

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