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#5401 2014-11-24 00:22:22

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,395

Re: 10 second questions

Hi bobbym,

The solution #5273 is correct. Remarkable!

#5274. Multiply the following and write your answer in the lowest terms:-

.

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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#5402 2014-11-24 00:30:23

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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#5403 2014-11-24 15:11:59

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,395

Re: 10 second questions

Hi bobbym,

The solution #5274 is correct.Stupendous!

#5275. Find the coordinates of the point which divides the line segment joining (-3,5) and (4,-9) in the ratio 1:6 internally.

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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#5404 2014-11-24 20:33:06

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

#5405 2014-11-25 00:08:22

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,395

Re: 10 second questions

Hi bobbym,

The solution #5275 is correct. Brilliant!

#5276. Find the angular evevation (angle of elevation frm the ground level) of the Sun when the length of the shadow of a 30 meter long pole is

  meters.

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

#5406 2014-11-25 02:29:20

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

#5407 2014-11-25 15:09:22

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,395

Re: 10 second questions

Hi bobbym,

The solution #5276 is perfect. Exellent!

#5277. Simplify :

.

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

#5408 2014-11-25 20:45:46

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.

Offline

#5409 2014-11-26 00:29:50

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,395

Re: 10 second questions

Hi bobbym,

The solution #5277 is correct. Fantastic!

#5278. The sum of first 10 terms of an Arithmetic Progression is 25 and the common difference is twice the first term. Find the 10th term.

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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#5410 2014-11-26 00:52:21

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

#5411 2014-11-26 16:03:14

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,395

Re: 10 second questions

Hi bobbym,

The solution #5278 is perfect. Marvelous!

#5279. Find the equation of the perpendicular bisetor of the straight line joining the points (3,4) and (-1,2).

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

#5412 2014-11-26 21:07:41

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

#5413 2014-11-27 00:27:12

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,395

Re: 10 second questions

Hi bobbym,

The solution #5279 is correct. Keep it up!

#5280. Find the Standard Deviation of the numbers 62, 58, 53, 50, 63, 52, 55.

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

#5414 2014-11-27 06:17:49

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

#5415 2014-11-27 14:19:00

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,395

Re: 10 second questions

Hi bobbym,

The solution #5280 is correct. Brilliant!

#5281. Find the 17th term of the Arithmetic Progression 19, 14, 9, ......

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

#5416 2014-11-27 20:32:45

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

#5417 2014-11-28 00:40:27

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,395

Re: 10 second questions

Hi bobbym,

The solution #5281 is correct. Neat job!

#5282. If the quadratic equation x² - kx + 4 = 0 has equal roots, then find the value/values 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.

Offline

#5418 2014-11-28 00:55:10

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

#5419 2014-11-28 15:03:04

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,395

Re: 10 second questions

Hi bobbym,

The solution #5282 is correct. Good work!

#5283. If 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.

Offline

#5420 2014-11-28 20:31:43

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

#5421 2014-11-28 23:05:28

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,395

Re: 10 second questions

Hi bobbym,

The solution #5283 is correct. Good work!

#5284. The outer and inner radii of a hollow sphere are 12 centimeters and 10 centimeters. Find its 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.

Offline

#5422 2014-11-29 00:44:50

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

#5423 2014-11-29 15:07:59

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,395

Re: 10 second questions

Hi bobbym,

The solution #5284 is correct. Excellent work!

#5285. Find the equation of the straight line perpendicular to the straight line x - 2y + 3 = 0 and passing through the point (1,-2).

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

#5424 2014-11-29 21:12:52

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

#5425 2014-11-30 14:27:12

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,395

Re: 10 second questions

Hi bobbym,

The solution #5285 is correct. Excellent!

#5286. AB and CD are two chords of a circle which intersect eah other externally at P. If AB = 4 units, BP = 5 units and PD = 3 units, then find 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.

Offline

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