25=10t-0.83t^2

Solve for t

3 answers

25=10t-0.83t^2
25 = 10t - 0.6889t
25 = 9.3111t
15.6889 = t

How did you get 0.6889

0.83 t squared
0.83t * 0.83t = 0.6889t

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