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3 years ago

Does anyone get this? please, i'm desperate for help and would appreciate it :)

Mathematics

2 answers:

kotegsom [21]3 years ago

5 0

Hello

the answer to this is going
to be

0.9 sec

hope this helps

have a good day

I'm out

AlladinOne [14]3 years ago

3 0

H=-16t² -8t +20
when basketball hit the ground h=0
-16t²-8t+20=0
4t²+2t-5=0

D=b²-4ac =4+4*4*5=84
t= (-b +/-√D)/2a
t=(-2+√84)/(2*4)=0.9 sec

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