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24-05-2018
Mathematics

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15 Points!

Solve for x. Round your answer to 2 decimal places.

A) 14.38
B) 10.83
C) 22.54
D) 29.91

15 Points Solve for x Round your answer to 2 decimal places A 1438 B 1083 C 2254 D 2991 class=

Respuesta :

24-05-2018

Use the trigonometric function.

[tex]\cos53^o=\dfrac{18}{x}\\\\\cos53^o\approx0.6018\\\\\dfrac{18}{x}=0.6018\to0.6018x=18\ \ \ \ |:0,6018\\\\x\approx29.91[/tex]

Answer: D) 29.91

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