3 years ago

Can someone please answer this correctly? Please show work so that i know how to do this.

1 answer:

5 0

$\text{Given that } \cos(\theta) = \dfrac{\text{adj}}{\text{hyp}} \text{ ,}$

$\cos(30) = \dfrac{x}{16}$

$x= 16\cos(30)$

$x = 13.9 \text{ feet}$

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How many ways can an employer send 3 employees to a job fair if she has 11 employees?

algol13

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This is the problem from combination.

The formula for combination is given by

$^nC_r= \frac{n!}{r!(n-r)!}$

Here, n= 11, r= 3

Therefore, total number of ways is given by

$^{11}C_3= \frac{11!}{3!(11-3)!}\\
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A is the correct option.

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