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OleMash [197]
3 years ago
8

Can someone please help me!!! 100 POINTS!!! Answer ASP, please include an explanation!

Mathematics
2 answers:
damaskus [11]3 years ago
7 0

Answer:

-39

Step-by-step explanation:

The magnitude of a vector is given by

|| u|| = sqrt( x^2 + y^2)

       = sqrt( 5^2 + (-12)^2)

       = sqrt(25+144)

      = sqrt(169)

     = 13

We are then multiplying by a scalar

||cu|| = -3*13 = -39

Shtirlitz [24]3 years ago
4 0

Answer:

-39

Step-by-step explanation:

||u|| = sqrt(5² + (-12)²)

= sqrt(25 + 144)

= sqrt(169)

= 13

||cu|| = c ||u||

c = -3

c ||u|| = -3 × 13 = -39

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