3 years ago

PLEASE HELP: 97 POINTS + BRAINLIEST

Mathematics

1 answer:

Anton [14]3 years ago

4 0

Answer:

3.77 rounded is 3.8

Step-by-step explanation:

0=-4.9t^2+70

+4.9t^2

4.9t^2=70

divided by 4.9 on (both 4.9 and 70)

t^2=squareroot 14.285= 3.77

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