Find the direction of vector u shown

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Ответ:

Priskittles

12.01.2022

Mathematics

$\vec u$ starts at (1, 1) and ends at (-4, 3), so it's pointing in the same direction as the vector

(-4, 3)-(1,1)=(-5,2)

This vector terminates in the second quadrant, so its direction is

$\pi+\tan^{-1}\left(-\dfrac25\right)\,\mathrm{rad}\approx158.2^\circ=(180-158.2)^\circ\,\text{N of W}=21.8^\circ\text{N of W}$

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Ответ:

kaylinreed7

24.06.2020

Mathematics

Mean = (7+ 15+ 3+ 25+ 33+ 15+ 21)/7
mean = 119/7
mean = 17

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