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MissTica
3 years ago
13

Lines c and d are perpendicular and if the slope of line c is -4 what is the slope of line d ?

Mathematics
2 answers:
Dmitrij [34]3 years ago
8 0

Perpendicular lines, slope is opposite and reciprocal. so if the slope of line c is -4 then the slope of line d will be 1/4


Hope it helps

siniylev [52]3 years ago
4 0
The answer to your question is 1/4
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Answer:

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In order to solve this problem we must start by graphing the given function and finding the differential area we will use to set our integral up. (See attached picture).

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V=\int\limits^\frac{\pi}{3}_0 {\pi (3 sec(y))^{2}} \, dy

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V=\int\limits^\frac{\pi}{3}_0 {9\pi sec^{2}(y)} \, dy

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V=9\pi\int\limits^\frac{\pi}{3}_0 {sec^{2}(y)} \, dy

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so we get:

V=9\pi[tan \frac{\pi}{3} - tan 0]

which yields:

V=9\pi\sqrt{3}]

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