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Yuri [45]
3 years ago
6

1. Evaluate the expression -6.3a +2(a - b) for a = -2 and b = 1.1.

Mathematics
1 answer:
sasho [114]3 years ago
8 0

Answer:

D or 6.4

Step-by-step explanation:

-6.3*(-2) + 2(-2 - 1.1)

- 6.3 * - 2 = 12.6 Notice that the two minus signs become a +

(-2 - 1.1)= (-3.1)   Multiply -3.1 * 2 = - 6.2

12.6 - 6.2 = 6.4

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