ambaer4621 ambaer4621

11-09-2020
Mathematics

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

1. a – 2b + 3c

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

Respuesta :

samkr14 samkr14

11-09-2020

Answer:

2.6
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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