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#776 2016-10-02 16:55:11

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,423

Re: Compute the solution:

Hi;

490. Find the area of the quadrilateral whose vertices, taken in order, are (-4,-2), (-3,-5), (3,-2), and (2,3).


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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#777 2016-10-02 17:01:38

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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#778 2016-10-03 01:08:24

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,423

Re: Compute the solution:

Hi;

The solutions 489 and 490 are both correct. Brilliant, bobbym!

491. Find the sum of all three digit numbers which leave the remainder 3 when divided by 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.

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#779 2016-10-03 01:19:00

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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#780 2016-10-03 16:40:09

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,423

Re: Compute the solution:

Hi;

The solution 491 is correct. Excellent, bobbym!

492. Find the sum of all three digit numbers which have the remainder 1 when divided by 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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#781 2016-10-03 20:06:17

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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#782 2016-10-04 00:36:50

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,423

Re: Compute the solution:

Hi;

The solution 492 is correct. Excellent, bobbym!

493. Find the sum of numbers of three digits divisible by 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.

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#783 2016-10-04 03:14:04

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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#784 2016-10-04 18:02:03

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,423

Re: Compute the solution:

Hi;

The solution 493 is correct. Excellent, bobbym!

494. If

are the roots of the equation
, form an equation whose roots are


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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#785 2016-10-04 19:49:18

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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#786 2016-10-05 00:58:47

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,423

Re: Compute the solution:

Hi;

The solution 494 is correct. Excellent, bobbym!

495. Find the value of k such that

has sum of the roots as one third of their product.


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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#787 2016-10-05 01:04:05

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

#788 2016-10-05 19:18:03

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,423

Re: Compute the solution:

Hi;

The solution 495 is correct. Neat work, bobbym!

496. Simplify:


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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#789 2016-10-05 19:50:02

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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#790 2016-10-05 20:24:32

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,423

Re: Compute the solution:

Hi;

497. Evaluate: (in terms of cosec theta and cot theta):


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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#791 2016-10-06 02:46:18

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

#792 2016-10-06 17:02:25

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,423

Re: Compute the solution:

Hi;

The solution 497 is correct. Neat work, bobbym!

498. A toy is in the form of a cone of radius 3.5 cm surmounted on a hemisphere of same radius. The total height of the toy is 15.5 cm. Find the total surface area of the toy.


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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#793 2016-10-06 21:03:03

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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#794 2016-10-10 17:15:14

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,423

Re: Compute the solution:

Hi;

499. The hypotenuse of a right angled triangle is 6 cm more than twice its shortest side. If the third side is 2 cm less than the hypotenuse, find the sides of this triangle.


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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#795 2016-10-10 17:51:20

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

#796 2016-10-11 16:42:58

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,423

Re: Compute the solution:

Hi;

The solutions in 499 are correct. Excellent, bobbym!

500. A girl is twice as old as her sister. Four years hence, the product of their ages (in years) will be 160. Find their present ages.


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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#797 2016-10-11 21:06:35

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

#798 2016-10-12 15:59:44

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,423

Re: Compute the solution:

Hi;

The solutions 500 are correct. Excellent, bobbym!

501. A shopkeeper buys a number of books for $80. If he had bought 4 more books for the same amount, each book would have cost him $1 less. How many books did he buy?


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

#799 2016-10-12 16:06:31

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

#800 2016-10-13 16:50:32

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,423

Re: Compute the solution:

Hi;

The solution 501 is correct. Neat work, bobbym!

502. Find the centroid of the triangle whose angular points are
1) (2,3), (0,1), (1,-1)
2) (1,4), (3,-2), (-1,-1).


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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