Respuesta :

wegnerkolmp2741o

Answer:

R = 15 t^2

Step-by-step explanation:

R = 3st

s = 5t

Replace s in the first equation with 5t

R = 3 ( 5t)t

R = 15 t^2

hope5849

Answer:

  • R=3st
  • R=3×5t×t
  • R=15t^2

hope it helps..

stay safe healthy and happy.

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