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igor_vitrenko [27]
3 years ago
12

Put the following equation of a line into slope-intercept form 4x+3y=-21

Mathematics
1 answer:
s2008m [1.1K]3 years ago
8 0

Answer: Y=(\frac{4}{3}) x-7

Step-by-step explanation:

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She could be 36 years old
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From an airplane at an altitude of 1200m the angle of depression to a building one the ground measures 28 degrees. Find the dist
Inessa05 [86]

Check the picture below.

now, we're assuming "to the building" means "to the ground", since we don't know the building's height, so we're also assuming the 1200m is above the building, as you see in the picture.

make sure your calculator is in Degree mode.

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a rectangular has a perimeter of 50 centimeters if the width of the rectangular is 10 centimeters what is its length
kogti [31]
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2 years ago
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Otrada [13]
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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

y = sin^2x, \\y = sin^4x, \\x in [0,[pi]/2].

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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

Volume= 2\pi (\frac{3\pi^2 }{64)} =\frac{6\pi^3}{64}

4 0
3 years ago
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