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Ghella [55]
3 years ago
11

A scuba diver is 5 1/2 feet below the surface of the water. She then dives 2 2/5 feet deeper. How far below the surface of the w

ater is the scuba diver?
A. 7 9/10
B.-7 3/7
C. -7 9/20
D. -7 9/10
Mathematics
2 answers:
sashaice [31]3 years ago
8 0
B....................
FrozenT [24]3 years ago
5 0

Answer:

B

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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3 years ago
I'm really confused on this question..could anybody help?
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3 years ago
Use Wolframalpha to find the exact volume of the solid obtained by rotating about x = [pi]/2 the region bounded by y = sin^2x, y
Alex777 [14]

Answer:

Step-by-step explanation:

Here the region between two curves is rotated about a vertical line.

The functions are

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Since rotated about x = pi/2 we get

using cylindrical shell method

Volume = 2\pi rh\\=2\pi \int\limits^\frac{\pi}{2} _0 {xy} \, dx \\=2\pi  \int\limits^\frac{\pi}{2} _0 (x+\frac{\pi}{2} )(sin^2 x -sin^4 x) dx\\

From wolfram alpha we find that

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4 0
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Sonbull [250]
I say subcategory would be a good answer
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3 0
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