3 years ago

Help!! Will mark brainliest

Mathematics

2 answers:

andrezito [222]3 years ago

7 0

Answer:

-4.9t^2 + 160t + 290 = 0

t = [-160 +- sqrt(160^2 - 4*-4.9*290)]/(2*-4.9)

Positive Solution::

t = 34.37 seconds

Step-by-step explanation:

Monica [59]3 years ago

5 0

Answer:

Jhgfchjjgyyhjj

Step-by-step explanation:hhgdfhhjjhg

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