andbat000 andbat000
  • 20-06-2020
  • Mathematics
contestada

13. Nine less than a number is no more than 8 and is no less than 3.

Respuesta :

Mibo
Mibo Mibo
  • 20-06-2020

Step-by-step explanation:

I think we can choose the number 5 so

9 - 5 = 4 no more than 8 and less than 3

Answer Link
09pqr4sT
09pqr4sT 09pqr4sT
  • 20-06-2020

Answer:

[tex]&#x \in [12, 17][/tex]

Step-by-step explanation:

[tex]3 \leq x-9 \leq 8 \\ \\&#3 \leq x-9 \\
3+9 \leq x \\&#12 \leq x[/tex]

[tex]&#x-9 \leq 8 \\&#x \leq 8+9 \\&#x \leq 17 \\&#12 \leq x \leq 17[/tex]

[tex]&#x \in [12, 17][/tex]

Answer Link

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