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shutvik [7]
2 years ago
8

Find the volume of the solid whose base is the unit circle, and whose cross-sections perpendicular to the x-axis are rectangles

whose bases (on the xy-plane) are three times smaller than their heights
Mathematics
1 answer:
joja [24]2 years ago
7 0

The volume of the solid (cylinder) is 6π unit³,

<h3>Volume</h3>

The volume of an object is the amount of space occupied by a three dimensional object.

A solid with a circular base and a vertical cross section is a cylinder.

Therefore the solid shown in the problem above is a cylinder.

A unit circle has a radius of 1, hence the radius of the cylinder = 1 unit, diameter = 2 * radius = 2 * 1 = 2 unit

Height of cylinder = 3 * diameter = 3 * 2 = 6 unit

Volume of cylinder = π * radius² * height = π * 1² * 6 = 6π unit³

The volume of the solid (cylinder) is 6π unit³.

Find out more on Volume at: brainly.com/question/1972490

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Two ants, red ant and black ant, creeping along lines in 3-space. At time t, red ant is at point on the line
mylen [45]
A. The distance between the red ant and the black ant is five units.

To represent the red ant,
xr = 3 - t 
yr = 2 + 2 t 
zr = 6 + 2 t 

To represent the black ant, 
xb = t/2 
yb = 2 + 3 t 
zb = 2 + t 

To calculate,
at t = 0 
xb - xr = -3 
yb - yr - 2-2 = 0 
zb - zr = 2-6 = -4 
Therefore,
d = √(9+16) = √(25) = 5

b. There will be no collision between the two ants.

To calculate,
3 - t = t/2
6 - 2t = t
6 = 3t
t = 2 

If t = 2,
2 + 2*2 = 2 + 3*2
4 0
3 years ago
What number do u divide with 11 to get the answer 17
Reika [66]
17x11=187                                              need more character there done
6 0
3 years ago
Read 2 more answers
Can someone please answer. There is one problem. There's a picture. Thank you!
GrogVix [38]
The answer is B, 15,504.
The reasoning is 20C15.
      20!
---------------
(20-15)!15!

The answer to that is 15,504.
Hope I helped, boom!
7 0
2 years ago
Help please!!!!!!!!!!!
sergiy2304 [10]

Step-by-step explanation:

bruh did u have hentoi as your pic

6 0
2 years ago
Make 478 three hundred times as large
dexar [7]
478x2= 956
956x2= 1912

I hope this is right :)

7 0
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