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#7376 2017-03-15 03:14:40

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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#7377 2017-03-15 14:09:20

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,304

Re: 10 second questions

Hi;

The solution #6115 is correct. Good work, bobbym!

#6116. Evaluate:

.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7378 2017-03-15 17:21:34

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

#7379 2017-03-15 19:01:15

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,304

Re: 10 second questions

Hi;

#6117. Simplify:

.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7380 2017-03-15 20:46:22

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

#7381 2017-03-16 00:29:13

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,304

Re: 10 second questions

Hi;

The solution #6117 is correct. Excellent, bobbym!

#6118. Solve for x and y:
5ax + 6by = 28 and
3ax + 4by = 18.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7382 2017-03-16 19:12:00

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

#7383 2017-03-16 22:58:41

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,304

Re: 10 second questions

Hi;

The solution set in #6118 is correct. Keep it up, bobbym!

#6119. Solve for x and y:
6(ax + by) = 3a + 2b,
6(bx - ay) = 3b - 2a.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7384 2017-03-17 12:11:28

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

#7385 2017-03-17 14:13:47

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,304

Re: 10 second questions

Hi;

The solution #6119 is correct. Excellent, bobbym!

#6120. Solve for x and y:


.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7386 2017-03-17 18:43:51

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

#7387 2017-03-17 21:14:54

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,304

Re: 10 second questions

Hi;

The solution set in #6120 is correct. Neat work, bobbym!

#6121. Solve for x and y:
2(ax - by) + a + 4b = 0,
2(bx + ay) + b - 4a = 0.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#7388 2017-03-18 11:08:47

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

#7389 2017-03-18 14:31:29

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,304

Re: 10 second questions

Hi;

The solution set in #6121 is correct. Remarkable, bobbym!

#6122. Solve for x and y:
(a + 2b)x + (2a - b)y = 2,
(a - 2b)x + (2a + b)y = 3.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

#7390 2017-03-18 16:26:08

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

#7391 2017-03-18 17:26:09

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,304

Re: 10 second questions

Hi;

The solution #6122 is correct. Brilliant, bobbym!

#6123. Solve for x and y:
ax/b - by/a = a + b,
ax - by = 2ab.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

#7392 2017-03-18 21:37:17

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

#7393 2017-03-18 22:29:01

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,304

Re: 10 second questions

Hi;

The solution set in #6123 is perfect. Neat work, bobbym!

#6124. Solve:
3x + 2y + 25 = 0,
2x + y + 10 = 0.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

#7394 2017-03-19 08:36:53

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

#7395 2017-03-19 15:00:13

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,304

Re: 10 second questions

Hi;

The solution #6124 is correct. Good work, bobbym!

#6125. Solve for x and y:
ax + by = a - b,
bx - ay = a + b.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

#7396 2017-03-19 18:26:39

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

#7397 2017-03-19 20:15:03

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,304

Re: 10 second questions

Hi;

The solution set in #6125 is correct. Good work, bobbym!

#6126. Solve for x and y:


.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

#7398 2017-03-20 11:35:56

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

#7399 2017-03-20 14:57:58

ganesh
Administrator
Registered: 2005-06-28
Posts: 23,304

Re: 10 second questions

Hi;

The solution set in #6126 is correct. Good work, bobbym!

#6127. Solve for x and y:


.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

#7400 2017-03-20 19:09:21

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

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