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#576 2016-07-20 16:46:44

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

Re: Compute the solution:

Hi;

The solution set in 399 is correct. Neat work, bobbym and Monox D. I-Fly!

400. Solve the following system of equations:



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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#577 2016-07-21 01:14:52

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

Re: Compute the solution:

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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#578 2016-07-21 15:44:11

Monox D. I-Fly
Member
From: Indonesia
Registered: 2015-12-02
Posts: 2,000

Re: Compute the solution:


Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away.
May his adventurous soul rest in peace at heaven.

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#579 2016-07-21 16:11:53

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

Re: Compute the solution:

Hi;

The solution set in 400 is correct. Excellent, bobbym and Monox D. I-Fly!

401. Solve the following system of equations:



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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#580 2016-07-21 18:25:19

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

Re: Compute the solution:

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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#581 2016-07-22 00:14:27

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

Re: Compute the solution:

Hi;

The solution set 401 is correct. Magnificent, bobbym!

402.  A fraction becomes 1/3, when 1 is subtracted from the numerator and it becomes 1/4 when 8 is added to its denominator. Find the fraction.


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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#582 2016-07-22 07:21:16

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

Re: Compute the solution:

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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#583 2016-07-22 07:21:39

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

Re: Compute the solution:

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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#584 2016-07-22 19:50:27

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

Re: Compute the solution:

Hi;

The solutions 402 are correct. Neat work, bobbym!

403. Three chairs and two tables cost $1850. Five chairs and three tables cost $2850. Find the cost of two chairs and two tables.


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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#585 2016-07-23 01:17:37

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

Re: Compute the solution:

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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#586 2016-07-23 19:05:23

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

Re: Compute the solution:

Hi;

The solution 403 is correct. Well done, bobbym!

404. Ved travels 600 km to his home partly by train and partly by car. He takes 8 hours if he travels 120 km by train and the rest by car. He takes 20 minutes longer if he travels 200 km by train and the rest by car. Find the speed of the train and the car.


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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#587 2016-07-24 03:53:58

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

Re: Compute the solution:

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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#588 2016-07-24 16:38:31

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

Re: Compute the solution:

Hi;

The solution 404 (two values) is correct. Brilliant, bobbym!

405. A man sold a table and a chair together for $850 at a loss of 10% on the table and a gain of 10% on the chair. By selling them together for $950, he would have made a gain of 10% on the table and loss of 10% on the chair. Find the cost price of each.


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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#589 2016-07-24 18:59:13

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

Re: Compute the solution:

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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#590 2016-07-25 00:10:15

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

Re: Compute the solution:

Hi;

The solutions in 405 are correct. Marvelous, bobbym!

406. A person can row 8 km upstream and 24 km downstream in 4 hours. He can row 12 km downstream and 12 km upstream in 4 hours. Find the speed of the person in still water as also the speed of the current.


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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#591 2016-07-25 01:26:13

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

Re: Compute the solution:

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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#592 2016-07-25 16:45:57

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

Re: Compute the solution:

Hi;

The solution 406 (two parts) is correct. Excellent, bobbym!

407. Solve the equations for x and y:



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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#593 2016-07-26 02:23:32

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

Re: Compute the solution:

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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#594 2016-07-26 16:39:58

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

Re: Compute the solution:

Hi;

The solution set in 407 is correct. Marvelous, bobbym!

408. Solve the following pairs of equations for x and y:




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

#595 2016-07-26 17:04:22

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

Re: Compute the solution:

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

#596 2016-07-27 17:14:15

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

Re: Compute the solution:

Hi;

The solution set in 408 is correct. Marvelous, bobbym!

409. Solve for x and y:



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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#597 2016-07-27 18:23:21

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

Re: Compute the solution:

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

#598 2016-07-28 17:03:32

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

Re: Compute the solution:

Hi;

The solution set in 409 is correct. Magnificent, bobbym!

410. Given

determine 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.

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#599 2016-07-28 17:58:23

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

Re: Compute the solution:

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

#600 2016-07-28 21:34:08

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

Re: Compute the solution:

Hi;

The solution 410 is correct. Splendid, bobbym!

411. A 1.5 meter tall boy is standing at some distance from a 30 m tall building. The angle of elevation from his eyes to the top of the building increases from 30 degrees to 60 degrees as he walks towards the building. Find the distance he walked towards the building.


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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