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3 years ago

PLEASE HELP! 36<8p+4<44 The solution set is__.

Mathematics

1 answer:

Nataliya [291]3 years ago

5 0

4<p<5
(4,5)
Open circles, not shaded.
Hope this helped!

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If t = 18 and r = 12, find S. Round to the nearest tenth.

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Answer: <em>S</em> ≈ 48.2°

Step-by-step explanation:

We can use trigonometry functions to solve.

Looking at angle <em>S</em>, t = 18 is the hypotenuse and r = 12 is the adjacent side. This means we can use the cosine function.

$\displaystyle cos(S) = \frac{\text{adjacent side}}{\text{hypotenuse }}=\frac{12}{18}$

$\displaystyle cos^{-1} (cos(S)) = (\frac{\text{adjacent side}}{\text{hypotenuse }}=\frac{12}{18})cos^{-1}$

$S = 48.189685...\\S \;$\approx$\; 48.2^{\circ}$

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Simplify and write the trig expression in terms of sin and cos

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$cot(-x)cos(-x)+sin(-x)=-\frac{1}{f(x)}$

Then we use trigonometric identities to change the negative sign of the trigonometric functions, so:

$-sin(x)-cot(x)cos(x)=-\frac{1}{f(x)}$

We clear f(x):

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we simply what we can:

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Thus, the correct answer is;

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