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#5451 2014-12-05 15:18:42

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

Re: 10 second questions

Hi bobbym,

The solutions #5303 and #5304 are correct. Good work!

#5305. The areas of two similar triangles are 16 square entimeters and 36 square centimeters respectively. If the altitudes are in the ratio 2:x, find 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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#5452 2014-12-05 23:23:16

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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#5453 2014-12-05 23:24:17

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

Re: 10 second questions

Hi bobbym,

#5306.Find the value of

.

#5307. If the surface area of a sphere is

square centimeters, then find the volume 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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#5454 2014-12-06 16:55:27

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

Re: 10 second questions

Hi,

#5308. If A and B are two events such that

, 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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#5455 2014-12-06 22:30:50

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

#5456 2014-12-06 23:15:43

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

Re: 10 second questions

Hi bobbym,

The solutions #5306, #5307, and #5308 are correct. Excellent!

#5309. If (3,3), (1,m) and (2,0) are collinear, then find the value of m.


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

#5457 2014-12-07 03:16:30

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

#5458 2014-12-07 15:19:37

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

Re: 10 second questions

Hi bobbym,

The solution #5309 is correct. Good work!

#5310. If

, 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

#5459 2014-12-07 22:03:57

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

#5460 2014-12-08 01:21:39

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

Re: 10 second questions

Hi bobbym,

The solution #5310 is correct. Excellent!

#5311. If the variance of 14, 18, 22, 26, 30 is 32, the find the variance of 28, 36, 44, 52, and 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.

Offline

#5461 2014-12-08 23:45:11

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

Re: 10 second questions

Hi,

#5312. Find the sum of the first nine terms of the Geometric Progression

.


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

#5462 2014-12-09 01:56:22

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

#5463 2014-12-09 14:32:22

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

Re: 10 second questions

Hi bobbym,

The solution #5312 is correct. Good work!

#5313. Find the equation of a straight line parallel to y-axix and passing through the point (-2,5).


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

#5464 2014-12-09 23:48:10

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

#5465 2014-12-10 01:47:45

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

Re: 10 second questions

Hi bobbym,

The solution #5313 is correct. Good work!

#5314. If the straight lines

are parallel, find 'a'.


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

#5466 2014-12-10 03:18:34

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

#5467 2014-12-10 23:46:09

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

Re: 10 second questions

Hi bobbym,

The solution #5314 is correct. Neat work!

#5315. At a point 20 meters away from the foot of the tower, the angle of elevation of the top of the tower is 30°. Find the length of the tower.


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

#5468 2014-12-11 04:03:37

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

#5469 2014-12-11 15:34:48

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

Re: 10 second questions

Hi bobbym,

The solution #5315 is correct. Neat job!

#5316. Radius and slant height of a solid right circular cone are 35 centimeters and 37 centimeters respectively. Find the urved surfae area and total surface area of the cone.


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

#5470 2014-12-11 16:23:09

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

#5471 2014-12-12 00:07:49

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

Re: 10 second questions

Hi bobbym,

The solution(s) is/are correct. Brilliant!

#5317. The smallest value of a collection of data is 12 and the range is 59. Find the largest value of the collection of data.


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

#5472 2014-12-12 03:50:35

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

#5473 2014-12-13 00:41:38

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

Re: 10 second questions

Hi bobbym,

The solution #5317 is correct. Good work!

#5318. If 1 + 2 + 3 + .... + n = k, then find the value of 1³ + 2³ + 3³ + .....n³ .


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

#5474 2014-12-13 03:38:11

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

#5475 2014-12-13 15:00:02

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

Re: 10 second questions

Hi bobbym,

The solution #5318 is correct. Neat job!

#5319. Find the Least Common Multiple 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

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