reaganlcox reaganlcox

24-06-2020
Mathematics

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Use the vectors v = 7i + 2j and w = –4i + j to find 10v + 3w

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Stephen46 Stephen46

24-06-2020

Answer:

v = 7i + 2j

w= - 4i + j

10v = 10(7i + 2j) = 70i + 20j

3w= 3(- 4i + j) = -12i + 3j

10v + 3w

= 70i -12i + 20j +3j

= 58i + 23j

Hope this helps.

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