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2 years ago

5

Solve for y.

1 answer:

Inessa05 [86]2 years ago

6 0

Answer:

The answer is the 2nd bullet point (B)

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A park mr.Denyssenkos house has a joggings trail that is 2640 meters long what is the length in centimeters if the jogging trail

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Step-by-step explanation:

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PLEASE HELP (100 POINTS)

Artyom0805 [142]

$\\ \rm\Rrightarrow f(x)=-5cos\dfrac{x}{2}+5$

Compare to standard equation of SHM

$\\ \rm\Rrightarrow y=Acos(\omega x+\phi)$

Here

Amplitude=A=-5

$\\ \rm\Rrightarrow \omega x=\dfrac{x}{2}$

$\\ \rm\Rrightarrow \omega=1/2$

Well the above one are for extra knowledge .

Solution:-

$\\ \rm\Rrightarrow 10=-5cos\dfrac{x}{2}+5$

$\\ \rm\Rrightarrow 10-5=-5cos\dfrac{x}{2}$

$\\ \rm\Rrightarrow 5=-5cos\dfrac{x}{2}$

$\\ \rm\Rrightarrow cos\dfrac{x}{2}=-1$

$\\ \rm\Rrightarrow \dfrac{x}{2}=cos^{-1}(-1)$

$\\ \rm\Rrightarrow \dfrac{x}{2}=\pi$

$\\ \rm\Rrightarrow x=2\pi$

So.

$\\ \rm\Rrightarrow x=2\pi+2\pi n$

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Answer:

-6n^4 -5n^3 +13n^2 +2n +3

organize the exponents from higher to lower.

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Jenna takes a survey of students in her class to determine how many hours they studied for their Math exam. The mean of the resp

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A) No one in the class studied more then 5 hours

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