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3241004551 [841]
3 years ago
13

You flipped a coin 65 times, and it landed heads side up 37 times. What is the experimental probability of it landing tails side

up?
37/65

28/37

38/65

28/65
Mathematics
2 answers:
Eva8 [605]3 years ago
5 0
Thi is it: 65-37 = 28 so 28/65
kari74 [83]3 years ago
3 0

Answer:

Musiclover10045 is right I just did it and got it right. It's 28/65

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Answer:

\sin\,\theta =-\frac{\sqrt{21} }{5}

\tan\,\theta =\frac{\sqrt{21} }{2}

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Step-by-step explanation:

\cos\theta =\frac{-2}{5}

As both sin\,\theta,

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In the third quadrant,

\sin\theta

\sin\,\theta =-\sqrt{1-\cos^2\,\theta} \\=-\sqrt{1-(\frac{-2}{5})^2 } \\\\=-\sqrt{1-\frac{4}{25} }\\\\=-\sqrt{\frac{25-4}{25} }\\\\=-\frac{\sqrt{21} }{5}

\tan\,\theta = \frac{\sin\,\theta}{\cos\,\theta }\\\\=\frac{\frac{-\sqrt{21} }{5} }{\frac{-2}{5} }\\\\=\frac{\sqrt{21} }{2}

\sec\,\theta =\frac{1}{\cos\,\theta }\\\\=\frac{1}{\frac{-2}{5} }\\\\=\frac{-5}{2}

\ cosec \,\theta = \frac{1}{sin\,\theta }\\\\=\frac{1}{\frac{-\sqrt{21} }{5} }\\\\=\frac{-5}{\sqrt{21} }

\cot\,\theta =\frac{1}{\tan\,\theta}\\\\=\frac{1}{\frac{\sqrt{21} }{2} }\\\\=\frac{2}{\sqrt{21} }

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Read 2 more answers
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