graciejanedirks2007
graciejanedirks2007 graciejanedirks2007
  • 28-01-2021
  • Mathematics
contestada

Evaluate the expression when a=−15 and b=−5.
b2/a + 5

Respuesta :

mhanifa
mhanifa mhanifa
  • 29-01-2021

Answer:

  • -2.5

Step-by-step explanation:

Evaluate the expression:

  • b²/(a + 5)

When a= −15 and b=−5

Substitute values:

  • b²/(a + 5) =
  • (-5)² / (-15 + 5) =
  • 25/(-10) =
  • -2.5

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In case the expression is b²/a + 5, the value is:

  • b²/a + 5 =
  • (-5)²/(-15) + 5 =
  • 25/(-15) + 5 =
  • - 5/3 + 5 =
  • 10/3

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