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3 years ago

8

Convert 100° to radians. Will mark brainlist if correct

1 answer:

Nikolay [14]3 years ago

8 0

5pi/9 C:

100/180 * pi = 5/9 * pi

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The mean age of 5 people in a room is 28 years.

lina2011 [118]

Answer:

174

Step-by-step explanation:

You should look at the mean and do this:

5*28 so now you know all the ages which is 140 now you do 140/29 and you get 4.8....... so you can see that the answer is 174

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3 years ago

Is 7 1/8 grater or less than 7.025

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<span>x−27=67 solve for x

Add 27 to both sides, then

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Given sec(theta)= 5... find cot(90-theta)

Mumz [18]

$\sec(\theta)=\frac{1}{\cos(\theta)}
\\
\\\cos(\theta)=\frac{1}{\sec(\theta)}=\frac{1}{5}
\\
\\ \sin^2\theta+\cos^2\theta=1
\\
\\\sin\theta= \sqrt{1-\cos^2\theta}= \sqrt{1-( \frac{1}{5})^2 } = \sqrt{1- \frac{1}{25} } = \sqrt{ \frac{25}{25} -\frac{1}{25} }=\frac { \sqrt{24}}{5} 
\\
\\ \cot(90^o-\theta)=\tan{\theta}= \frac{\sin\theta}{\cos\theta} = \frac{\frac { \sqrt{24}}{5} }{ \frac{1}{5} } = \sqrt{24} = \sqrt{4\times6}=2 \sqrt{6} 
\\
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3 years ago

Math inspection:who is right?

Pavel [41]

Answer:

I don't know

Step-by-step explanation:

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