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stepan [7]
3 years ago
10

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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