the us based motorcycle manufacturer says that it expects to build 155,000 motorcycles this year, up from 139,000 last year . what’s the production increase percentage

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Ответ:

ambriaramirez8

16.07.2022

Mathematics

Step-by-step explanation:

Using the cosine/ sine ratio in the right triangle and the exact values

cos30° = $\frac{\sqrt{3} }{2}$ and sin30° = $\frac{1}{2}$ , then

cos30° = $\frac{adjacent}{hypotenuse}$ = $\frac{BC}{AC}$ = $\frac{x}{18}$ = $\frac{\sqrt{3} }{2}$ ( cross- multiply )

2x = 18 $\sqrt{3}$ ( divide both sides by 2 )

x = 9 $\sqrt{3}$

----------------------------------------------------------

sin30° = $\frac{opposite}{hypotenuse}$ = $\frac{AB}{AC}$ = $\frac{y}{18}$ = $\frac{1}{2}$ ( cross- multiply )

2y = 18 ( divide both sides by 2 )

y = 9

Thus

x = 9 $\sqrt{3}$ and y = 9 → C

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