venessagjohnson venessagjohnson

22-11-2019
Mathematics

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Given that x=<4,1,5> and y=<11,2,-6> find x•y

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jimthompson5910 jimthompson5910

22-11-2019

Answer: 12

==============================

Explanation:

Multiply the corresponding coordinates of the vectors

4*11 = 44

1*2 = 2

5*(-6) = -30

Then add up the results: 44+2+(-30) = 42-30 = 12

The dot product of two vectors is always a scalar value.

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