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Kay [80]
3 years ago
5

Pls help i haven't learned it yet I need to help.me friend​

Mathematics
2 answers:
defon3 years ago
8 0

Answer:

n=80 cm

I hope it helps

have a nice day

Leya [2.2K]3 years ago
3 0

Answer:

Hence the stone meet at a height of 20 m above the ground after 4 seconds.

Step-by-step explanation:

Hey mate hope its help you.......

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Step-by-step explanation:

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