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02-08-2018
Mathematics

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Pls help for this pre calc question 25 points rewarded!

Pls help for this pre calc question 25 points rewarded class=

Respuesta :

02-08-2018

Let's check the dot product .

v.w = 5(4)-2(10) = 20 -20 =0

So the dot product is not 20 . And since the dot product is zero, so they are perpendicular.

And the y component of w is 10.

So correct options are first and third .

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