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17-06-2020
Mathematics

contestada

[25 POINTS] hi um please send help within like, 20 mins bc I'm gonna cry hahahaha

determine a value of c such that cu = 75 where u = 7i + 24j

context: precalc, vector unit

25 POINTS hi um please send help within like 20 mins bc Im gonna cry hahahaha determine a value of c such that cu 75 where u 7i 24j context precalc vector unit class=

Respuesta :

idkanymore33 idkanymore33

17-06-2020

I will cry with you

Answer Link

isamclipboards isamclipboards

17-06-2020

Answer:

c = 3

c = -3

(There are two because absolute value :P)

Step-by-step explanation:

u = 7i + 24j

u = (7, 24)

||c * u|| = 75

75 = || c [tex]\sqrt{7^{2}+24^{2} }[/tex] ||

75 = || c [tex]\sqrt{625}[/tex] ||

75 = || c * 25 ||

3 or -3 = c

Answer Link

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