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#451 2015-09-29 00:19:45

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,969

Re: Compute the solution:

Hi bobbym,

The solution 338 is perfect! Neat work, bobbym!

339. Decompose into partial fractions :

.


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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#452 2015-09-29 05:49:20

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

Re: Compute the solution:


Only a friend tells you your face is dirty.

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#453 2015-09-29 08:18:21

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,969

Re: Compute the solution:

Hi math9maniac,


340. Solve 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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#454 2015-09-29 08:28:57

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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#455 2015-09-29 12:44:18

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,969

Re: Compute the solution:

Hi bobbym,

The solution 340 is perfect! Good work!

341. $6500 were equally divided  equally among a certain nember of persons. Had there been 15 more persons, each would have got $30 less. Find the original number of persons.


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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#456 2015-09-29 14:47:19

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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#457 2015-09-29 15:18:17

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,969

Re: Compute the solution:

Hi bobbym,

341 edited and revised.


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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#458 2015-09-29 21:19:30

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

#459 2015-09-29 22:20:29

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,969

Re: Compute the solution:

Hi bobbym,

The solution 341 is correct! Excellent!

342. Sumplify:

.


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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#460 2015-10-01 19:01:48

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

#461 2015-10-01 20:32:53

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,969

Re: Compute the solution:

Hi bobbym,

The solution 342 is correct! Good work!

343. Find the square root 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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#462 2015-10-01 21:37:18

zetafunc
Moderator
Registered: 2014-05-21
Posts: 2,432
Website

Re: Compute the solution:

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#463 2015-10-02 00:10:50

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,969

Re: Compute the solution:

Hi zetafunc,

The solution 343 is perfect! Good work, zetafunc!

344. Victor travels 600 kilometers to his home partly by train and partly by car. He takes 8 hours if he travels 120 kilometers by train and the rest by his car. He takes 20 minutes longer if he travels 200 kilometers 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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#464 2015-10-02 12:34:11

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

#465 2015-10-02 14:13:21

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,969

Re: Compute the solution:

Hi bobbym,

The solution 344 is correct! Good work!

345. (i) Find the mean of the following distribution :
x : 4   6   9  10   15
f : 5   10   10   7   8

345. (ii) Following data shows the weight of 12 students :
Weight in kilograms   :  67    70   72   73   75
Number of students    :  4      3     2     2     1
Find the mean of the students.


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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#466 2015-10-05 07:52:37

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,969

Re: Compute the solution:

Hi,

346 (a). The dimensions of a metallic cuboid are 100 cm x 80 cm x 64 cm. Iit is melted and recast into  a cube. Find the surafae of the cube.

346 (b). Find the number of coins, 1.5 cm in diameter and 0.2 cm thick, to be melted to form a right circular cylinder of height 10 cm and and diameter 4.5 cm.


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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#467 2015-10-05 08:19:53

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

#468 2015-10-05 09:28:49

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,969

Re: Compute the solution:

Hi bobbym,

The solution 346 (both parts) are correct! Neat work!

347. 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.

Offline

#469 2015-10-05 12:49:10

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

#470 2015-10-05 16:16:47

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,969

Re: Compute the solution:

Hi bobbym,

The solution(s) 347 (both parts) are correct! Neat work!

348. For what value of 'k'

, is a perfect square?


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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#471 2015-10-06 13:32:55

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

#472 2015-10-06 14:39:53

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,969

Re: Compute the solution:

Hi bobbym,

The solution 348 is perfect (both values). Excellent!

349. Solve 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.

Offline

#473 2015-10-06 20:14:07

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

#474 2015-10-06 21:31:43

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,969

Re: Compute the solution:

Hi bobbym,

The solution 349 (both values) are correct! Wonderful!

350. What must be subtracted from

so that the resulting polynomial is exactly divisible by
?


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

#475 2015-10-07 04:48:10

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

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