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postnew [5]
3 years ago
8

You join a book club in which the membership dues cost $15. Books are all the same price, which includes tax. If you buy four bo

oks when you start your membership and are charged $66.80, what is the price of each book?
Mathematics
1 answer:
ser-zykov [4K]3 years ago
5 0
$66.80 - 15 = $51.80

$51.80 divided by 4 =

$12.95

So each book costs $12.95
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3 years ago
40 pts and Brainliest pls give detailed answer :)
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Answer:

58 ft

Step-by-step explanation:

So I attached a diagram that illustrates the triangle that is formed. We know an angle, as well as the hypotenuse. We are looking for the height, or in other words the opposite side of the angle. There is a trigonometric function defined as: sin(\theta) = \frac{opposite}{hypotenuse}. Using this we can plug in known values and solve for the opposite side, which I'll simply represent as x.

sin(46) = \frac{x}{80}

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4 0
1 year ago
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Sergio [31]

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Step-by-step explanation:

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2 years ago
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2 years ago
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Irina-Kira [14]

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