Respuesta :

Answer:

160000

Step-by-step explanation:

if im wrong sorry

cygnusabc00

Answer:

the answer is 10

Step-by-step explanation:

. Hello !

Because firstly divide 400 by 2

  • 200t²=20,000
  • t²=100....divide both sides by 200
  • t=10....is the value after squaring both sides

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