3 years ago

HELLPP PWEASEEEE :( im confused

Mathematics

1 answer:

Montano1993 [528]3 years ago

8 0

Answer:

18 seconds

Step-by-step explanation:

according to the question

-16t²+5184=0 (0 because when the height is 0 the ball will hit the ground)

-16t²=-5184

t²=-5184/-16

t²=324

t=√324

t=18

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