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balu736 [363]
3 years ago
15

Please help I’m very confused

Mathematics
1 answer:
ira [324]3 years ago
3 0

Answer:

A

Step-by-step explanation:

you divide 169 by 1.3 to get 160.

Then you divide 17 by 130 to get 1.307

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Answer:

\frac{5\pi}{6}, \frac{13\pi}{6}

Step by step

Remember, a reference angle is a positive acute angle that represents an angle θ of any measurement.

a)

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b)

\frac{5\pi}{6}=150^ \circ is in the second cuadrant, then its reference angle is 180^ \circ -150^{\circ}=30^{\circ}=\frac{\pi}{6}

c)

\frac{13\pi}{6}=390^\circ=360^\circ+30^\circ, then it is in the first cuadrant and the reference angle is 30^\circ =\frac{\pi}{6}.

d)

\frac{8\pi}{6}=240^\circ and it is in the third cuadrant, then its reference angle is 240^\circ -180^\circ=60^\circ=\frac{\pi}{3}

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3 years ago
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Step-by-step explanation:

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Answer:

Third bar graph.

Step-by-step explanation:

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Answer:

Step-by-step explanation:

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