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Ira Lisetskai [31]
3 years ago
11

Evaluate this expression if a = 2, b = -1 and c = 1.

Mathematics
2 answers:
labwork [276]3 years ago
8 0
Substitute the values into the equation

2(2)+4(-1)-5(1)
4-4-5
-5
const2013 [10]3 years ago
4 0

Answer:

The answer is D. -5.

Step-by-step explanation:

Substitute the variables: 2(2) + 4(-1) - 5(1)

Multiply 2 by 2, and you get 4. Add 4 by the product of 4 and -1, which is -4, and you get 0. Subtract 0 by the product of 5 and 1, which is 5, and you get -5.


I hope this helped! :-)

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