proundkd
proundkd proundkd
  • 09-05-2021
  • Mathematics
contestada

can you please help me with this question? :)​

can you please help me with this question class=

Respuesta :

Аноним Аноним
  • 09-05-2021

Answer:

B) 8 sec

Step-by-step explanation:

  • [tex]h=0[/tex]
  • [tex]40t-5t^2=0[/tex]
  • [tex]5t(8-t)=0[/tex]
  • [tex]8-t=0[/tex]
  • [tex]-t=-8[/tex]

So, your answer will be 8, you are right!!

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hope it helps....

have a great day!!

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good job