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sergeinik [125]
3 years ago
9

For every 14 ice cream cones you buy, you get 2 for free.how many cones will you get if you buy 56 cones

Mathematics
1 answer:
lianna [129]3 years ago
6 0
Divide 56/14=4. That means that there are 4 14ns since you will get 2 for every 14 cones. Thay means that you will get 8 cones for free.
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VikaD [51]
Not sure why such an old question is showing up on my feed...

Anyway, let x=\tan^{-1}\dfrac43 and y=\sin^{-1}\dfrac35. Then we want to find the exact value of \cos(x-y).

Use the angle difference identity:

\cos(x-y)=\cos x\cos y+\sin x\sin y

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7<n<8 is the right answer
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