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#5976 2015-09-05 08:58:33

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,834

Re: 10 second questions

Hi zetafunc and bobbym,

The solution #5479 is correct! Excellent, zetafunc!

#5479. Solve:


, where
.


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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#5977 2015-09-05 21:32:55

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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#5978 2015-09-06 01:57:26

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,834

Re: 10 second questions

Hi bobbym,

The solution #5478 is wrongly worded. Reggerred.

The solution #5479 is correct! Marvelous!

#5480. Solve:


.
Hence, find 'a' for which y = ax - 4.


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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#5979 2015-09-06 04:05:48

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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#5980 2015-09-06 05:26:06

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

#5981 2015-09-06 11:14:12

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,834

Re: 10 second questions

Hi math9maniac and bobbym,

The solution #5480 is perfect! Splendid!

#5481. If

, find the values of
and
.


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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#5982 2015-09-07 00:37:15

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

#5983 2015-09-07 03:30:12

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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#5984 2015-09-07 08:17:18

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,834

Re: 10 second questions

Hi bobbym and math9maniac,

The solution #5481 is correct! Excellent!

#5482. The sum of three terms in an Arithmetic Progression is -3 and their product is 8. Find 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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#5985 2015-09-07 20:04:53

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

#5986 2015-09-07 23:49:09

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,834

Re: 10 second questions

Hi bobbym,

The solution #5482 is correct! Neat work!

#5483. If 2x, x + 10, 3x + 2 are in an Arithmetic Progression, 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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#5987 2015-09-07 23:50:56

zetafunc
Moderator
Registered: 2014-05-21
Posts: 2,431
Website

Re: 10 second questions

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#5988 2015-09-08 01:35:21

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,834

Re: 10 second questions

Hi zetafunc,

The solution #5483 is correct! Neat work!

#5684. The sum of first six terms of an Arithmetic Progression is 42.  The ratio of the tenth term to its thirtieth term is 1:3. Calculate the first and thirteenth term of the Arithmetic 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.

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#5989 2015-09-08 04:50:03

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

Re: 10 second questions

Dear ganesh, I think you missed the numbering. The previous post should rather be #5484.



Only a friend tells you your face is dirty.

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#5990 2015-09-08 10:10:22

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

#5991 2015-09-08 12:28:14

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,834

Re: 10 second questions

Hi math9maniac and bobbmy,

You are correct, math9maniac! I stand corrected. Thanks.

The solution #5484 is correct! Good work, math9maniac and bobbym'

#5485.Solve:

.


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

#5992 2015-09-08 18:32:16

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.

Offline

#5993 2015-09-08 19:12:14

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,834

Re: 10 second questions

Hi bobbym,

The solution #5485 is correct! Splendid!

#5486. 2 tables and 3 chairs together cost $2000 whereas 3 tables and 2 chairs together cost $2500. Find the cost of 1 table and 5 chairs.


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

#5994 2015-09-08 21:16:45

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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#5995 2015-09-08 23:55:34

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,834

Re: 10 second questions

Hi math9maniac,

The solution #5486 is perfect! Immaculate!

#5487. If A (-2,-1), B (a,0), C (4,b), and D (1,2) are the vertices of a parallelogram, fnd 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.

Offline

#5996 2015-09-09 16:58:04

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

#5997 2015-09-09 18:41:08

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,834

Re: 10 second questions

Hi bobbym,

The solution #5487 is correct! Good work!

#5488. For what values of k are the points (k, 2 - 2k), (-k + 1, 2k), and (-4 -k, 6 - 2k) are collinear?


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

#5998 2015-09-09 19:23:52

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

Re: 10 second questions

Hi;

         


Only a friend tells you your face is dirty.

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#5999 2015-09-09 21:06:05

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,834

Re: 10 second questions

Hi math9maniac,

The solution #5488 is correct! Excellent!

#5489.  Tickets numbered from 1 to 20 are mixed together and then a ticket is drawn at random. What is the probability that the ticket has a number which is a multiple of 3 or 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

#6000 2015-09-10 00:28:55

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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