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27-09-2019
Mathematics

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Evaluate 7j +5 – 8k when j = 0.5 and k = 0.25.

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arlette14 arlette14

27-09-2019

The answer is 6.5
Multiply 7 • 0.5 = 3.5
-8 • 0.25 = -2
3.5 + 5 = 8.2
8.5 - 2 = 6.5

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