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#5901 2015-07-19 19:58:04

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: 10 second questions

Hi bobbym,

The two solutions of #5443 are perfect! Brilliant!

#5444. If the points P (-3,9), Q (a,b), and R (4,-5) are collinear and (a + b) = 1, find the values of 'a' and 'b'.


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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#5902 2015-07-19 21:04:17

math9maniac
Member
From: Tema
Registered: 2015-03-30
Posts: 443

Re: 10 second questions


Only a friend tells you your face is dirty.

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#5903 2015-07-19 21:07:11

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.

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#5904 2015-07-20 00:20:36

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: 10 second questions

Hi math9maniac and bobbym,

The solution #5444 is correct! Neat work, math9maniac and bobbym!

#5445. Solve the quadratic equation for 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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#5905 2015-07-20 06:11:17

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

#5906 2015-07-20 15:22:58

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: 10 second questions

Hi bobbym,

The two solutions of #5445 are correct. Good work!

#5447. If the seventh term of an Arithmetic Progression is

and its ninth term is
, find its 63rd 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.

Offline

#5907 2015-07-20 18:50:24

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

#5908 2015-07-20 20:12:05

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: 10 second questions

Hi bobbym,

The solution #5447 is correct! Good work!

#5448. Find the number of solid spheres, each of diameter 6 centimeters that can be made by melting a solid metal cylinder of height 45 centimeters and diameter 4 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.

Offline

#5909 2015-07-20 21:39:31

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

#5910 2015-07-20 23:57:18

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: 10 second questions

Hi bobbym,

The solution #5448 is correct! Marvelous!

#5449. If the point P (2,2) is equidistant from the points A (-2,k) and B (-2k,3), find 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

#5911 2015-07-21 11:29:22

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

#5912 2015-07-21 19:37:43

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: 10 second questions

Hi bobbym,

The two solutions in #5449 are correct! Excellent!

#5450. If the point A (0,2) is equidistant from the points B (3,p) and C (p,5), 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

#5913 2015-07-22 01:23:39

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

#5914 2015-07-22 03:11:15

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: 10 second questions

Hi bobbym,

The solution #5480 is correct! Neat work!

#5451. Find the values of 'k' for which the quadratic equation

has equal roots. Also, find the roots.


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

#5915 2015-07-22 19:53:29

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

#5916 2015-07-22 20:27:41

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: 10 second questions

Hi bobbym,

The two solutions in #5451 are correct. Brilliant!

#5452. The first and the last terms of an Arithmetic Progression are 5 and 45 respectively. If the sum of all terms is 400, find its common difference.


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

#5917 2015-07-23 09:53:05

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

#5918 2015-07-23 13:48:18

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: 10 second questions

Hi bobbym,

The solution #5452 is correct! Good work!

#5453. Find the ratio in which the point P (x,2) divides the line segment joining the points A (12,5) and B (4,-3). Also, 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.

Offline

#5919 2015-07-23 20:44:13

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

#5920 2015-07-23 22:24:55

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: 10 second questions

Hi bobbym,

The solutions (both parts) #5453 is/are correct! Magnificent!

#5454. Find the values of 'k' for which the quadratic equation

has equal roots. Also, find the roots.


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

#5921 2015-07-27 07:46:56

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

#5922 2015-07-27 14:35:49

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: 10 second questions

Hi bobbym,

The solution(s) #5454 is/are correct! Excellent!

#5455. Find the value of 'p' for which the following quadratic equation

has equal roots.


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

#5923 2015-07-27 17:35:37

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

#5924 2015-07-27 18:56:53

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: 10 second questions

Hi bobbym,

The two solutions of #5455 are perfect!  Splendid!

#5456. The angle of elevation of an airplane from a point on the ground is 60 degrees. After a flight of 30 seconds, the angle of elevation becomes 30 degrees. If the airplane is flying at a constant height of

meters, find the speed of the airplane.


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

#5925 2015-07-28 12:30:31

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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