niyahmcclain02 niyahmcclain02

07-03-2018
Mathematics

contestada

Find a ⋅ b. a = 6i - 6j, b = 4i + 2j

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Staple21 Staple21

25-05-2018

24i - 12j= 12
just think of i and j as labels to let you know what number corresponds with whata*b = 12

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