maryamalsaberi9 maryamalsaberi9
  • 22-11-2021
  • Mathematics
contestada

can you pls also explain

can you pls also explain class=
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Respuesta :

mhanifa
mhanifa mhanifa
  • 22-11-2021

Answer:

  • 1.33 seconds

Step-by-step explanation:

Use the given equation and substitute h with 9:

  • - 9 = -16t²
  • t² = 16/9
  • t = √(16/9)
  • t = 4/3 ≈ 1.33
Answer Link
VirαtKσhli
VirαtKσhli VirαtKσhli
  • 23-11-2021

Answer:

0.75

Step-by-step explanation:

16t² = 9

t² = 9/16

t = √{9/16}

t = 3/4

t = 0.75 s

Answer Link

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