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#5476 2014-12-13 20:39:29
- 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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#5477 2014-12-14 16:56:22
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,400
Re: 10 second questions
Hi bobbym,
The solution #5319 is perfect. Splendid!
#5320. (2,3) is the center of a circle.
is a diameter. If the point A is (3,7), then find the point B.It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#5478 2014-12-15 00:51:33
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,400
Re: 10 second questions
Hi,
#5321. If the variance of a data is 12.25. Find the Standard Deviation.
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#5479 2014-12-15 00:52:39
- 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
#5480 2014-12-15 01:00:25
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,400
Re: 10 second questions
Hi bobbym,
The is correct. Neat job
#5321. If the variance of a data is 12.25. Find the Standard Deviation.
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#5481 2014-12-15 01:18:06
- 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.
Offline
#5482 2014-12-15 15:31:04
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,400
Re: 10 second questions
Hi bobbym,
The solution #5321 is correct. Neat job!
#5322. If the radius of a sphere is 14 centimeters, then find the curved surface area of the sphere.
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#5483 2014-12-15 18:19:11
- 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
#5484 2014-12-16 17:09:39
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,400
Re: 10 second questions
Hi bobbym,
The solution #5322 is perfect. Excellent!
#5323. Show that the lines 3x - 5y + 7 = 0 and 15x + 9y + 4 = 0 are perpendiular; find slopes m1 and m2.
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#5485 2014-12-16 21:53:11
- 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
#5486 2014-12-17 00:12:17
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,400
Re: 10 second questions
Hi bobbym,
The solution #5323 is correct. Good work!
#5324. The circumference of the base of a 12 meter high wooden solid cone is 44 meters. Find the volume.
.It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#5487 2014-12-17 17:50:16
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,400
Re: 10 second questions
Hi,
#5325. Find the equation of the straight line passing through the origin and perpendicular to the straight line 2x+3y-7=0.
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#5488 2014-12-17 22:00:43
- 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
#5489 2014-12-18 17:29:24
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,400
Re: 10 second questions
Hi bobbym,
The solutions #5324 and #5325 are perfect. Neat job!
#5326. If the lines ax - 5y = 5 and 2x + y = 1 are perpendicular, find the value of 'a'.
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#5490 2014-12-18 21:03:37
- 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
#5491 2014-12-18 23:44:20
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,400
Re: 10 second questions
Hi bobbym,
The solution #5326 is correct. Excellent!
#5327. The surface areas of two spheres are in the ratio 9:25. Find the ratio of their volumes.
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#5492 2014-12-19 15:29:28
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,400
Re: 10 second questions
Hi,
#5328. If the Standard Deviation of a set of data is 1.6, find the variance.
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#5493 2014-12-19 20:09:59
- 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
#5494 2014-12-20 01:07:03
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,400
Re: 10 second questions
Hi bobbym,
The solution #5328 is correct. Well done!
#5329. The volume of a hollow sphere is
cubic centimeters. If the external radius is 8 centimeters, find the internal radius of the sphere. .It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#5495 2014-12-21 02:24:49
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,400
Re: 10 second questions
Hi bobbym,
#5330. Find the value of
.It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#5496 2014-12-21 05:37:03
- 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
#5497 2014-12-21 18:04:19
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,400
Re: 10 second questions
Hi bobbym,
.
#5331. If k + 2, 4k - 6, 3k - 2 are three conseutive terms of an Arithmetic Progression, the find the value of k.
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#5498 2014-12-21 21:08:19
- 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
#5499 2014-12-22 14:19:47
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,400
Re: 10 second questions
Hi bobbym,
#5332. A ladder 48 meters long leans on the top of a building making an angle of elevation 30° with the horizontal, then find the height of the building.
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#5500 2014-12-22 16:57:56
- 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