ijimmyjohn ijimmyjohn

11-01-2021
Mathematics

contestada

I'm done with this test, just exhausted from it. Brainly do your magic.

Im done with this test just exhausted from it Brainly do your magic class=

Respuesta :

Аноним Аноним

11-01-2021

Answer:

4.5

Step-by-step explanation:

when the height is 0 the ball will hit the ground

so the equation is

-12t²+54t=0

12t²-54t=0

2t²-9t=0

t(2t-9)=0

t=0

t=4.5

so the answer is

4.5

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