sidneyr90 sidneyr90
  • 18-03-2021
  • Mathematics
contestada

what does 9a^2 + 2b^2 if a=4 and b=7?

Respuesta :

snooppp
snooppp snooppp
  • 18-03-2021

Answer:

242

Step-by-step explanation:

Answer Link
jimrgrant1 jimrgrant1
  • 18-03-2021

Answer:

242

Step-by-step explanation:

Given

9a² + 2b² ← substitute a = 4 and b = 7

= 9(4)² + 2(7)²

= 9(16) + 2(49)

= 144 + 98

= 242

Answer Link

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