Which of the following would eliminate the variable on the left side of the given equation?

Mathematics

2 answers:

uranmaximum [27]3 years ago

8 0

You'd have to add 19w in order to cancel out the -19w

aev [14]3 years ago

3 0

To eliminate the variable on the left you must make it equal zero because the variable is negative (-19w) you will need to add to get the variable to zero

So you will have to add positive 19 to cancel out the negative

So your answer is C add 19w

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Kruka [31]

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So if $\sin(-\theta)=\dfrac15$ , then $\sin\theta=-\dfrac15$ .

Second,

$\tan\theta=\dfrac{\sin\theta}{\cos\theta}$

We know that $\tan\theta>0$ and $\sin\theta$ , which means we should also have $\cos\theta$ .

Third,

$\sin^2\theta+\cos^2\theta=1\implies\cos\theta=\pm\sqrt{1-\sin^2\theta}$

but as we've already shown, we need to have $\cos\theta$ , so we pick the negative root.

Finally,

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Gre4nikov [31]

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