Solve for the proportion
8/m+3 = 4/m
1 answer:
Answer:
The Answer is m = - 4/3 Hope this helps :)
Step-by-step explanation:
If you want i can explain it with more detail
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Answer: ![\cos 2 \theta = \dfrac{-7}{25}](https://tex.z-dn.net/?f=%5Ccos%202%20%5Ctheta%20%3D%20%5Cdfrac%7B-7%7D%7B25%7D)
Step-by-step explanation:
Given:
and ![\pi < \theta< \dfrac{3\pi }{2}](https://tex.z-dn.net/?f=%5Cpi%20%3C%20%5Ctheta%3C%20%5Cdfrac%7B3%5Cpi%20%7D%7B2%7D)
To find: ![\cos 2 \theta](https://tex.z-dn.net/?f=%5Ccos%202%20%5Ctheta)
Now as we know
![\cos 2x = \dfrac{1- \tan ^2 x}{1+ \tan ^2 x}](https://tex.z-dn.net/?f=%5Ccos%202x%20%3D%20%5Cdfrac%7B1-%20%5Ctan%20%5E2%20x%7D%7B1%2B%20%5Ctan%20%5E2%20x%7D)
So we have
![\cos 2 \theta = \dfrac{1-(\dfrac{4}{3} )^2}{1+(\dfrac{4}{3} )^2} \\\\\Rightarrow \cos 2 \theta = \dfrac{1- \dfrac{16}{9} }{1+ \dfrac{16}{9} } = \dfrac{\dfrac{9-16}{9} }{\dfrac{9+16}{9}} = \dfrac{-7}{25}](https://tex.z-dn.net/?f=%5Ccos%202%20%5Ctheta%20%3D%20%5Cdfrac%7B1-%28%5Cdfrac%7B4%7D%7B3%7D%20%29%5E2%7D%7B1%2B%28%5Cdfrac%7B4%7D%7B3%7D%20%29%5E2%7D%20%5C%5C%5C%5C%5CRightarrow%20%5Ccos%202%20%5Ctheta%20%3D%20%5Cdfrac%7B1-%20%5Cdfrac%7B16%7D%7B9%7D%20%7D%7B1%2B%20%5Cdfrac%7B16%7D%7B9%7D%20%7D%20%3D%20%5Cdfrac%7B%5Cdfrac%7B9-16%7D%7B9%7D%20%7D%7B%5Cdfrac%7B9%2B16%7D%7B9%7D%7D%20%3D%20%5Cdfrac%7B-7%7D%7B25%7D)
Therefore d. is the correct option
Hence , ![\cos 2 \theta = \dfrac{-7}{25}](https://tex.z-dn.net/?f=%5Ccos%202%20%5Ctheta%20%3D%20%5Cdfrac%7B-7%7D%7B25%7D)
Answer:
4 2/3
Step-by-step explanation:
14÷3=4R2
Therefore:
143=4 2/3
Answer:
I think the answer is acute.
Step-by-step explanation:
Sorry if this is wrong.
Answer is 32 all you must do is add 6 each time
Answer:
B
Step-by-step explanation: