What is the value of x? A. 4 B. 4√3 C. 8 D. 8√3

Mathematics

1 answer:

Paladinen [302]3 years ago

8 0

The answer is B. I used the trigonometric sine formula

$\sin(60) = \frac{x}{8 }$

$\sin(60) \times 8 = x$

$x = 6.93$

And

$4 \sqrt{3} = 6.93$

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Second year $\frac{5}{4}x$ -------------- $\frac{5}{4}x+\frac{1}{4}(\frac{5}{4}x) =\frac{5}{4}x+ \frac{5}{16}x=\frac{25}{16}x=(\frac{5}{4} )^{2}x$

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