Tracy44821 Tracy44821

24-02-2017
Mathematics

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what is the simplified form of the following expression?

6c2 + 2.5d - d + 2c2 -3d

A. 4c2 - 1.5d
B. 6c2 + 0.5d
C. 8c2 -1.5d
D. 8c2 + 1.5d

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samblack samblack

24-02-2017

C. Because all you have to do is combine like terms for example. 6c2 added to 2c2 is 8c2, therefore A and B are eliminated. Now, 2.5d -d is 1.5d. Lastly, 1.5d subtract negative 3d is -1.5

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