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#3351 2014-12-21 18:15:44
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 49,408
Re: Oral puzzles
Hi bobbym,
The solution #2170 is correct. Good work!
#2171. Find the x and y intercepts respectively of the line 2x - 3y + 6 = 0.
#2172. Find the equation of the straight line whose angle of inclination is 60° and y-intercept is -3.
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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#3352 2014-12-21 20:59:28
- 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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#3353 2014-12-22 14:38:56
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 49,408
Re: Oral puzzles
Hi bobbym,
The solution #2171 is correct. Good work!
#2173. 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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#3354 2014-12-22 16:14:42
- 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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#3355 2014-12-23 01:19:44
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 49,408
Re: Oral puzzles
Hi bobbym,
The solution #2173 is correct. Marvelous!
#2174. If the Variance of 14,18,22,26,30 is 32, then find the variance of 28,36,44,52,60.
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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#3356 2014-12-23 07:59:32
- 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
#3357 2014-12-23 16:19:27
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 49,408
Re: Oral puzzles
Hi bobbym,
The solution #2174 is correct. Aersome!
#2175. A solid right circular cylinder has radius 7 entimeters and height 20 centimeters. Find its urved surface area.
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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#3358 2014-12-23 21:52:40
- 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
#3359 2014-12-24 15:11:01
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 49,408
Re: Oral puzzles
hi bobbym,
The solution #2175 is correct. Good work!
#2176. Find the coordinates of the foot of the perpendicular from the origin on the straight line 3x+2y = 13.
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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#3360 2014-12-24 21:05:02
- 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
#3361 2014-12-25 16:32:50
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 49,408
Re: Oral puzzles
Hi bobbym,
The solution #2176 is perfect. Excellent!
#2177. Find the value of 'k' if the straight line 3x+6y+7 = 0 and 2x+ky = 5 are perpendicular.
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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#3362 2014-12-25 20:17:37
- 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
#3363 2014-12-25 22:25:36
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 49,408
Re: Oral puzzles
Hi bobbym,
#2178. Find the slope and y-intercept of the straight line 3x-4y+12 = 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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#3364 2014-12-25 22:35:30
- 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
#3365 2014-12-26 15:28:48
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 49,408
Re: Oral puzzles
Hi bobbym,
The solution #2178 is correct. Neat job!
#2179. Find the total surface area of a solid hemisphere of diameters 2 centimeters.
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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#3366 2014-12-26 21:44:28
- 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
#3367 2014-12-27 00:07:09
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 49,408
Re: Oral puzzles
Hi bobbym,
The solution #2179 is correct. Good work!
#2170. 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.
Offline
#3368 2014-12-27 03:18:41
- 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
#3369 2014-12-28 00:57:24
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 49,408
Re: Oral puzzles
Hi bobbym,
The solution #2170 is correct. Excellent!
#2171. Show that the straight lines x+2y+1 = 0 and 3x+6y+2 = 0 are parallel and find the slope.
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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#3370 2014-12-28 02:31:26
- 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
#3371 2014-12-28 16:53:42
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 49,408
Re: Oral puzzles
Hi bobbym,
The solution #2171 is correct. Good work!
#2172. ABCD is a quadrilateral such that all of its sides touch a circle. If AB = 6 meters, BC = 6.5 meters, and CD = 7 meters, find the length of AD.
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
#3372 2014-12-28 20:54:38
- 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
#3373 2014-12-29 15:59:46
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 49,408
Re: Oral puzzles
Hi bobbym,
#2173. Find the valur 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
#3374 2014-12-29 20:25:40
- 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
#3375 2014-12-30 17:19:16
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 49,408
Re: Oral puzzles
Hi bobbym,
The solution #2173 is correct. Marvelous!
#2174. Find the equation of the median from the vertex R in ΔPQR with vertices at P(1,-3), Q(-2,5), and R(-3,4).
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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