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#7551 2017-04-30 17:27:06

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#7552 2017-05-07 16:45:26

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,082

Re: 10 second questions

Hi;

The solution #6198 is correct. Excellent, bobbym!

#6199. The diameter of a sphere is 6 cm. It is melted and drawn into a wire of diameter 2 mm. Find the length of the wire.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7553 2017-05-07 17:51:54

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

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#7554 2017-05-07 19:56:47

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,082

Re: 10 second questions

Hi;

#6200. A metallic sphere of radius 10.5 cm is melted and then recast into small cones, each of radius 3.5 cm and height 3 cm. The number of such cones is _______.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7555 2017-05-07 21:24:30

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

Offline

#7556 2017-05-10 22:29:46

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,082

Re: 10 second questions

Hi;

The solution #6200 is correct. Excellent, bobbym!

#6201. The material of a cone is converted into the shape of a cylinder of equal radius. If the height of the cylinder is 5 cm, then find the height of the cone.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7557 2017-05-18 19:27:17

Monox D. I-Fly
Member
Registered: 2015-12-02
Posts: 798

Re: 10 second questions

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#7558 2017-05-18 23:03:13

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,082

Re: 10 second questions

Hi;

The solution #6201 is correct. Good work, Monox D. I-Fly!

#6202. A circus tent is cylindrical to a height of 4 meters and conical above it. If its diameter is 105 meters and its  slant height  is 40 meters, find the total area of the canvas required in square meters.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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