Respuesta :

Matheng
The magnitude of vector (-7,-5) =
                         = [tex] \sqrt{ (-7)^{2} + (-5)^{2} } = \sqrt{74} = 8.6[/tex]

vector as the sum of unit vectors = -7 i - 5 j
frickmadisonc

Answer: the answer is C

Step-by-step explanation:

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