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#376 2010-11-09 16:44:21
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,406
Re: Oral puzzles
Hi bobbym,
The solution to 825 is perfect. Neat work!
#826, What is the value of tan 21[sup]o[/sup] - cot 69[sup]o[/sup]?
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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#377 2010-11-09 17:30:36
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Oral puzzles
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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#378 2010-11-09 23:52:37
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,406
Re: Oral puzzles
Hi bobbym,
The solution to 826 is perfect. Good work!
#827. Find the area of the triangle with vertices (0,0), (0,3), and (4,0).
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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#379 2010-11-10 01:44:46
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Oral puzzles
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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#380 2010-11-11 01:11:31
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,406
Re: Oral puzzles
Hi bobbym,
The solution to 827 is perfect. Neat job!
#828. AB is parallel to CD. If A and B are (2,3) and (6,9), then what is the slope of CD?
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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#381 2010-11-11 05:12:22
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Oral puzzles
Hi ganesh;
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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#382 2010-11-13 01:05:38
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,406
Re: Oral puzzles
Hi bobbym,
Correct! Well done!
#829. What is 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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#383 2010-11-13 04:40:47
- Howardroark
- Member
- Registered: 2010-10-10
- Posts: 382
Re: Oral puzzles
#829 : 1/2
I come from a civilization which has given the world the number 0..
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#384 2010-11-13 09:21:33
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Oral puzzles
Hi ganesh;
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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#385 2010-11-14 00:02:25
- Howardroark
- Member
- Registered: 2010-10-10
- Posts: 382
Re: Oral puzzles
Sorry i made a mistake.. The answer is 2..
I come from a civilization which has given the world the number 0..
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#386 2010-11-14 00:43:39
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,406
Re: Oral puzzles
Hi bobbym and Howardroark,
The solution to 829 is perfect! Brilliant, bobbym and Howardroark!
#830. What is the angle between the lines x = y and
?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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#387 2010-11-14 05:35:05
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Oral puzzles
Hi ganesh;
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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#388 2010-11-14 14:22:22
- Howardroark
- Member
- Registered: 2010-10-10
- Posts: 382
Re: Oral puzzles
#830 : 15deg
I come from a civilization which has given the world the number 0..
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#389 2010-11-14 15:37:17
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Oral puzzles
Hi Howardroark;
http://www.mathisfunforum.com/viewtopic … 53#p155753
Post #1906 for ganesh's method of hiding posts.
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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#390 2010-11-15 01:04:46
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,406
Re: Oral puzzles
Hi bobbym and Howardroark,
The solution to 830 is perfect. Neat work!
#831. In triangle ABC, angle B = 90 degrees,
, what is BC?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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#391 2010-11-15 05:41:12
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Oral puzzles
Hi ganesh;
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
#392 2010-11-16 00:56:40
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,406
Re: Oral puzzles
Hi bobbym,
The solution to 831 is perfect. Well done!
#832. What is 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.
Offline
#393 2010-11-16 05:44:27
- Howardroark
- Member
- Registered: 2010-10-10
- Posts: 382
Re: Oral puzzles
I come from a civilization which has given the world the number 0..
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#394 2010-11-16 05:58:58
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Oral puzzles
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
#395 2010-11-18 00:55:05
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,406
Re: Oral puzzles
Hi Howardroark and bobbym,
The solution to 832 is correct. Good work!
#833. What is the probability of an impossible event?
[To Howardroark : The math tag for square root
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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#396 2010-11-18 07:47:03
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Oral puzzles
Hi ganesh;
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
#397 2010-11-19 00:52:13
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,406
Re: Oral puzzles
Hi bobbym,
The solution to 833 is perfect. Well done!
#834. At what point do the lines y = -3 and x = 8 meet?
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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#398 2010-11-19 06:58:26
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Oral puzzles
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
#399 2010-11-20 01:41:46
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,406
Re: Oral puzzles
Hi bobbym,
The solution to 834 is perfect. Well done!
#835. Find the slope of the line which is perpendicular to the line joining the points (0,0), and (-1,1).
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.
Offline
#400 2010-11-20 05:59:23
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Oral puzzles
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