martamorais21 martamorais21

05-01-2021
Mathematics

contestada

3b - 2a -9 when a =1/2 and b= 7

Respuesta :

madelynrose madelynrose

05-01-2021

Answer: 11

Step-by-step explanation:

1. Evaluate 2a when a = 1/2

2a

2 x (1/2) = 1

2. Evaluate 3b when b = 7

3b

3x7 = 21

3. Put the pieces of the expression back together

21 - 1 -9

4. Solve

11

Answer Link

melanie3143 melanie3143

05-01-2021

The answer is 11 because it is

Answer Link

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