Question 1191442
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B. Magnitude of Vectors (Trigonometry)
1. Find the magnitude of the Vector ML if point M has coordinates (2,-8) and point L has coordinates (-5,2).
Show full solution, thank you!
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The magnitude of the vector ML is the distance between the points M and L.


The x-component of the vector is  2 + 5 =  7  units long;  
the y-component of the vector is  8 + 2 = 10  units long.


Therefore, the magnitude of the vector ML is  {{{sqrt(7^2 + 10^2)}}} = {{{sqrt(49+100)}}} = {{{sqrt(149)}}} = 12.20656  (rounded).    <U>ANSWER</U>
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Solved.