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#5376 2014-11-17 23:59:17

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: 10 second questions

Hi bobbym,

Please treat the problem #5261 as 'null and void'.

#5261. If the roots of

are positive and equal, then what are the roots?

#5262. If

and
, then find
.


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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#5377 2014-11-18 01:13:46

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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#5378 2014-11-18 01:16:56

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: 10 second questions

Hi bobbym,

The Problem(s) #5261 and #5262 have been amended. Please post your solutions.


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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#5379 2014-11-18 01:21:36

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

Re: 10 second questions

Hi;

Okay, thanks.


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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#5380 2014-11-18 01:32:14

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: 10 second questions

Hi bobbym,

The solutions #5261 and #5262 are correct. Brilliant!

#5263. Find the perimeter of a triangle formed by the points (0,0), (1,0) and (0,1) units.


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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#5381 2014-11-18 01:38:25

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

#5382 2014-11-18 14:56:28

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: 10 second questions

Hi bobbym,

The solution #5263 is correct. Excellent!

#5264. Three numbers are in the ratio 2:5:7. If 7 is subtracted from the second, the resulting numbers form an arithmetic sequence. Determine the numbers.


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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#5383 2014-11-18 15:40:58

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

#5384 2014-11-19 00:20:59

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: 10 second questions

Hi bobbym,

The solution #5264 is correct. Brilliant!

#5265. A right cirular cylinder has radius of 14 centimeters and height 8 centimeters. Find its curved 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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#5385 2014-11-19 15:13:34

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: 10 second questions

Hi,

#5266. Show that the lines 2y = 4x + 3 and x + 2y = 10 are perpendicular and find the slopes.


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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#5386 2014-11-19 18:58:48

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

#5387 2014-11-20 00:07:48

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: 10 second questions

Hi bobbym,

The solution #5266 is correct. Good work!

#5267. Factorize the polynomial :-

.


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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#5388 2014-11-20 13:00:12

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

#5389 2014-11-20 15:19:44

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: 10 second questions

Hi bobbym,

The solution #5267 is correct. Brilliant!

#5268. Using clay, a student made a right circular cone of height 48 centimeters and base radius 12 centimeters. Another student reshapes in in the form of a sphere. Find the 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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#5390 2014-11-20 20:28:07

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

#5391 2014-11-20 23:55:26

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: 10 second questions

Hi bobbym,

The solution #5268 is correct. Excellent!

#5269. What rational expression should be added to

to get
?


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

#5392 2014-11-21 02:33:48

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

#5393 2014-11-21 15:01:52

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: 10 second questions

Hi bobbym,

The solution #5269 is correct. Magnificent!

#5270. If (7,3), (6,1), (8,2) and (p,4)are the vertices of a parallelogram taken in order, then find the value of p.


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

#5394 2014-11-21 17:22:24

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

#5395 2014-11-22 00:23:50

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: 10 second questions

Hi bobbym,

The solution #5270 is correct. Marvelous!

#5271. Find the x and y intercepts of the straight line

.


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

#5396 2014-11-22 00:57:18

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

#5397 2014-11-22 15:11:41

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: 10 second questions

Hi bobbym,

The solution #5271 is correct. Remarkable!

#5272. Factorize the following polynomial :

.


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

#5398 2014-11-22 21:41:53

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

#5399 2014-11-23 14:52:19

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: 10 second questions

Hi bobbym,

The solution #5272 is perfect. Marvelous!

#5273. Find the area of a quadrilateral whose vertices are (6,9), (7,4), (4,2) and (3,7).


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

#5400 2014-11-23 18:13:52

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

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