V= 2i +9j Find ||9v||

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asked May 11, 2019 45.5k views

4 votes

V= 2i +9j Find ||9v||

Mathematics
middle-school

Olly Hodgson asked

by Olly Hodgson

8.2k points

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1 Answer

4 votes

Answer:

9
√(85)

Explanation:

9v = 9(2i + 9j) = 18i + 81j

|9v | =
√(18^2+81^2) =
√(x6885) = 9
√(85)

Bwinton answered May 16, 2019

by Bwinton

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