wwkemarsAFa1raz wwkemarsAFa1raz
  • 24-11-2016
  • Mathematics
contestada

4. Solve.

2.7 ≤ b + 5
b ≥ 7.7
b ≥ –2.3
b ≤ 2.3
b ≤ –7.

Respuesta :

blondlie
blondlie blondlie
  • 24-11-2016
2.7 ≤ b+ 5
=> 2.7 - 5 ≤ b
=> -2.3 ≤ b

The answer is option 2.
Answer Link
Nirina7
Nirina7 Nirina7
  • 24-11-2016
the answer is
2.7 ≤ b + 5  implies 2.7 - 5 ≤ b  , –2.3  ≤ b  
so the answer is b ≥ –2.3
Answer Link

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