Help !!! 50 points for the right answer!!!!

Mathematics

2 answers:

mart [117]3 years ago

5 0

It doesn't give any answers? I think the first one is 14 the second one is -4 and the third one is 10

kap26 [50]3 years ago

3 0

$A=(14,-6)\qquad B=(-4,7)\\\\\\\bold{u}=\overrightarrow{AB} =\left\ \textless \ -4-14,7-(-6)\right\ \textgreater \ =\left\ \textless \ -18,13\right\ \textgreater \ \\\\\\
||\bold{u}||=\sqrt{(-18)^2+13^2}=\sqrt{324+169}=\sqrt{493}\approx22,2$

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