william77mallette william77mallette
  • 12-10-2020
  • Mathematics
contestada

evaluate 2a(b + 8) if a = 3 and b = 5. A. 33 B. 38 C. 65 D. 78​

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TheBlueFox
TheBlueFox TheBlueFox
  • 12-10-2020

Answer: 78

Explanation: Whenever we deal with an evaluation problem, make sure to always use parenthses when substituting numbers in for variables.

Notice that we have a set of parenthses in our original problem.

To avoid the confusion of having too many sets

of parenthses, let's change the parenthses to brackets.

So we have 2(3) [(5) + 8].

Simplifying from here, we have (6) [(13].

Multiplying, we get 78.

Answer Link
Аноним Аноним
  • 13-10-2020

Answer:

D.

Step-by-step explanation:

6*13=78

Answer Link

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