rosalina19
rosalina19 rosalina19
  • 10-05-2020
  • Mathematics
contestada

b) Find the value of 5(a - 4b) when a = -7 and b = 1/4

Respuesta :

ronhagrid310
ronhagrid310 ronhagrid310
  • 10-05-2020

Answer:

5(-7-4*1/4)=5*(-7-1)=5*(-8)=-40

Answer Link
S1NGH
S1NGH S1NGH
  • 10-05-2020

Answer:

-40

Step-by-step explanation:

5 ( a - 4b ) when a = -7 and b = 1/4

→ Substitute a and b in

5 ( -7 - 4 × ( 1 / 4 ) )

→ Simplify the multiplication

5 ( -7 - 1 )

→ Perform the operation -7 - 1

5 ( - 8 )

→ Perform the operation 5 × -8

-40

Answer Link

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