Salsabeal
Salsabeal Salsabeal
  • 25-08-2020
  • Mathematics
contestada

2x²-y if x=3 and y=8

Respuesta :

Аноним Аноним
  • 25-08-2020

Answer:

10

Step-by-step explanation:

2(3)²-8

2(9)-9

18-8=10

Answer Link
capsasha2
capsasha2 capsasha2
  • 25-08-2020

Answer:

28

Step-by-step explanation:

  1. Plug in the variable "meaning": (2 × 3)^2 - 8
  2. 2 × 3 = 6
  3. Plug 6 in: [tex]6^{2} - 8[/tex]  
  4. [tex]6^{2}[/tex] = 6 × 6 = 36
  5. Plug 36: 36 - 8
  6. 36 - 8 = 28
Answer Link

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