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#5801 2015-05-20 21:39:12

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

Re: 10 second questions

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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#5802 2015-05-21 17:19:58

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: 10 second questions

Hi bobbym,

The solution #5398 is correct. Fabulous!

#5399. If the geometric sequences 162, 54, 18, ... and

have their nth terms equal, then find the value of 'n'.


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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#5803 2015-05-21 20:56:18

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.

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#5804 2015-05-21 23:58:32

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: 10 second questions

Hi bobbym,

The solution #5399 is correct. Awesome!

#5400. Find the total volume of 15 cubes whoes edges are 16 centimeters, 17 centimeters, 18 centimeters, ....., 30 centimeters respectively.


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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#5805 2015-05-22 00:12:11

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

#5806 2015-05-22 17:30:33

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: 10 second questions

Hi bobbym,

The solution #5400 is correct. Marvelous!

#5401. Find the three consecutive terms in an Arithmetic Progression whose sum is 18 and the sum of their squares is 140.


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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#5807 2015-05-27 18:52:48

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

#5808 2015-05-28 00:56:05

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: 10 second questions

Hi bobbym,

The solution #5401 is correct. Neat work!

#5402. Find the total area of 12 squares whose sides are 12 centimeters, 13 centimeters, ...... 23 centimeters respectively.


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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#5809 2015-05-28 01:33:21

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: 10 second questions

Hi patvst,

The solution #5402 (3818 square centimeters) is correct. Excellent!

#5403. One year ago, a man was 8 times as old as his son. Now his age is equal to the square of his son's age. Find their present ages.


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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#5810 2015-05-28 12:58:36

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

#5811 2015-05-28 18:07:37

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: 10 second questions

Hi bobbym,

The solution #5403 is correct. Good work!

#5404. If (1,2), (4,6), (x,6), and (3,2) are the verties of a parallelogram taken in order, then find the value of x.


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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#5812 2015-05-28 23:13:18

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

#5813 2015-05-29 00:53:35

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: 10 second questions

Hi bobbym,

#5405. Find the point of intersection of the straight lines 9x - y - 2 = 0 and 2x + y - 9 = 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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#5814 2015-05-30 00:16:02

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

#5815 2015-05-30 17:13:41

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: 10 second questions

Hi bobbym,

The solution #5405 is correct. Good work!

#5406. Find the centroid of the triangle with vertices at (-2,-5), (-2,12), and (10,-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

#5816 2015-05-30 20:31:06

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

#5817 2015-05-31 00:28:49

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: 10 second questions

Hi bobbym,

The solution #5406 is correct. Good work!

#5407. The area of a circle is 220 square centimeters. Find the area of a square inscribed in this circle.

.


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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#5818 2015-05-31 00:34:08

Sophie_A
Banned
Registered: 2009-10-06
Posts: 7

Re: 10 second questions

Last edited by Sophie_A (2015-05-31 00:36:34)


 Σοφία

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#5819 2015-05-31 00:59:38

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: 10 second questions

Hi Sophie_A,

The solution #5407 is correct. Marvelous!

#5408. Four equal sized maximum circular plates are cut off from a square paper sheet of area 784 square centimeters. Find the circumference of each plate.

.


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

#5820 2015-06-02 20:09:41

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

#5821 2015-06-02 20:38:23

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: 10 second questions

Hi bobbym,

The solution #5408 is correct. Brilliant!

#549. The area of a circle inscribed in an equilateral triangle is 154 square centimeters. Find the perimeter of the triangle.


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

#5822 2015-06-03 23:41:24

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

#5823 2015-06-04 00:56:28

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: 10 second questions

Hi bobbym,

The solution #5409 is correct. Outstanding!

#5410. If the radius of a circle is inreased by 6%, then its area is icreased by how much percent?


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

#5824 2015-06-04 17:48:00

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

#5825 2015-06-04 18:35:27

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,955

Re: 10 second questions

Hi bobbym,

The solution #5410 is correct. Neat work!

#5411. If the radius of a circle is diminished by 10%, then its area is diminished by how much percent?


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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