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ad-work [718]
3 years ago
15

- The position of an object moving in a straight line

Mathematics
1 answer:
Misha Larkins [42]3 years ago
4 0

Answer:

s(t) = 2t^2-3t

19 = 2t^2-3t

2t^2-3t-19=0

t = [3 +- sqrt(9-4*2*-19)]/4

t = [3 +- sqrt(161)]/4

t = [3 +- 12.6886]/4

Positive answer:

t = [3+12.6886]/4

t = 3.9221 seconds

Step-by-step explanation:

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