sahahmed2008 sahahmed2008
  • 23-09-2020
  • Mathematics
contestada

What is the value of the expression below when z=9?
z^2 +9z+10

Respuesta :

miayapiper1801 miayapiper1801
  • 23-09-2020

Answer:

Step-by-step explanation:

1) Substitute (replace) every z with 9

[tex](9)^2+9(9)+10[/tex]

2) Solve

    [tex](9)^2+9(9)+10\\81+9(9)+10\\81+81+10=172[/tex]

(Extra Breakdown Below)

1) Calculate Exponents (9)^2 = 81

2) Multiply 9(9) = 81

3) Add 81+81+81 = 172

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