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just olya [345]
3 years ago
11

An escalator lifts people to the second floor of a​ building, 24ft above the first floor. The escalator rises at a 30 angle. To

the nearest​ foot, how far does a person travel from the bottom to the top of the​ escalator?
Mathematics
1 answer:
Dmitrij [34]3 years ago
4 0

Answer:

48ft

Step-by-step explanation:

Had this question for hw. It's 48.

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Perform the indicated operations. Do the root of -48 in terms of i please
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Answer:

\frac{-5-\sqrt{-48}}{40}  in terms of i is: \frac{-1}{8}-\frac{i\,\sqrt{3}}{10}

Step-by-step explanation:

\frac{-5-\sqrt{-48}}{40}

We know that \sqrt{-1} = i

so,

\frac{-5-\sqrt{48}i}{40}

Now solving:

=\frac{-5}{40}-\frac{i\,\sqrt{48}}{40}\\=\frac{-1}{8}-\frac{i\,\sqrt{2*2*2*2*3}}{40}\\=\frac{-1}{8}-\frac{i\,\sqrt{2^2*2^2*3}}{40}\\=\frac{-1}{8}-\frac{2*2\,i\,\sqrt{3}}{40}\\=\frac{-1}{8}-\frac{4\,i\,\sqrt{3}}{40}\\=\frac{-1}{8}-\frac{i\,\sqrt{3}}{10}

So, \frac{-5-\sqrt{-48}}{40}  in terms of i is: \frac{-1}{8}-\frac{i\,\sqrt{3}}{10}

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3 years ago
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Answer:

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Step-by-step explanation:

When dealing with an equation that only involves addition and subtraction ...you can solve it juat as it is witout using any special method same applied to equations tht involve only multiplication and division ... because they are an (inverse) of each other... hope it helps

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