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
Answer Link

Otras preguntas

NEED HELP!! Which of the following experimental conditions ensured that Mendel would get accurate results in his experiments on pea plants? a.All of the above
which of these best describes the Salem Witch Trials of the Late 1600’s
Read the sentence. I was able to finish my chores before the television program started. Which best identifies the antecedent of the underlined pronoun? (my) a
civilian conservation corps
Which of the sets of ordered pairs represents a function? A = {(3, −5), (4, 6), (−3, 9), (2, 7)} B = {(2, 4), (−1, −7), (5, 6), (4, 3)}
a venus fly trap plant closes its leaves when a insect lands of it. Which type of adaptation is this? A. This is a behavioral adaptation because this an action
Salma withdrew $350 from her bank account in a series of 5 withdrawals.What is the average change in her account per withdrawal.
what is the relationship between particle size and wheathering rate
Which square root is NOT a whole number? 121 144 169 184
Photosynthetic organisms are usually _____.