ambaer4621 ambaer4621
  • 11-09-2020
  • Mathematics
contestada

Evaluate each expression if a = -2, b=3, and c = 4.2.

1. a – 2b + 3c

2. 2a + (6 + 3)^2

Respuesta :

samkr14
samkr14 samkr14
  • 11-09-2020

Answer:

  1. 2.6
  2. 77

Step-by-step explanation:

1) a-2b+3c

  • (-2)-2(3) +3(4.2)
  • -4-6+12.6
  • -10+12.6
  • 2.6

2) 2a+(6+3)²

  • 2(-2)+(9)²
  • -4+81
  • 77
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