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#2451 2011-06-01 21:28:41
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
Hi ganesh;
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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#2452 2011-06-02 00:12:46
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,424
Re: 10 second questions
Hi bobbym,
The solution 2947 is correct. Neat job!
#2948. If
, find the value of (correct to two places of decimal).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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#2453 2011-06-02 05:23:36
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
Hi ganesh;
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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#2454 2011-06-02 09:15:42
- anonimnystefy
- Real Member
- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,049
Re: 10 second questions
Last edited by anonimnystefy (2011-06-02 09:19:38)
Here lies the reader who will never open this book. He is forever dead.
Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.
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#2455 2011-06-02 16:16:32
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,424
Re: 10 second questions
Hi bobbym and anonimnystefy,
The solution 2948 is
. Good work!#2949. The average weight of A, B, and C is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, find the weight of B.
#2950. The average age of a class of 39 students is 15 years. If the age of the teacher be included, then the average increases by 3 months. Find the age of the teacher.
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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#2456 2011-06-02 16:28:16
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
Hi ganesh;
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
#2457 2011-06-03 00:04:25
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,424
Re: 10 second questions
Hi bobbym,
The solutions 2949 and 2950 are correct. Good work!
#2951. If
and , then find 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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#2458 2011-06-03 00:07:44
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
Hi ganesh;
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
#2459 2011-06-03 06:13:46
- anonimnystefy
- Real Member
- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,049
Re: 10 second questions
hi ganesh
Here lies the reader who will never open this book. He is forever dead.
Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.
Offline
#2460 2011-06-03 17:22:51
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,424
Re: 10 second questions
Hi bobbym and anonimnystefy,
The solution 2951 is correct. Brilliant!
#2952. One side of a rectangular field is 15 meters and one of its diagonals is 17 meters. Find the area of the field.
#2953. A lawn in the form of a rectangle having its sides in the ratio 2:3. The area of the lawn is
hectares. Find the length and breadth of the lawn.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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#2461 2011-06-03 18:57:42
- 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
#2462 2011-06-04 00:46:28
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,424
Re: 10 second questions
Hi bobbym,
The solutions 2952 and 2953 are correct. Neat job!
#2954. The sum of three numbers is 136. If the ratio of the first and the second be 3:2 and that between second and third is 5:3, what is the second number?
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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#2463 2011-06-04 00:51:10
- 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
#2464 2011-06-04 01:43:20
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,424
Re: 10 second questions
Hi bobbym,
I made a question in 2954. The correct question is : The sum of three numbers is 136. If the ratio of the first and the second be 2:3 and that between second and third is 5:3, what is the second number?
This problem may please be treated as the original question.
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
#2465 2011-06-04 02:45:23
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
Hi ganesh;
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
#2466 2011-06-04 16:31:56
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,424
Re: 10 second questions
Hi bobbym,
The solution 2954 is correct. Neat job!
#2955.
#2956.
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
#2467 2011-06-04 20:52:30
- 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
#2468 2011-06-05 00:10:58
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,424
Re: 10 second questions
Hi bobbym,
The solutions 2955 and 2956 are correct. Outstanding!
#2957. Find the value of x if
.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
#2469 2011-06-05 02:46:41
- anonimnystefy
- Real Member
- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,049
Re: 10 second questions
hi ganesh
Here lies the reader who will never open this book. He is forever dead.
Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.
Offline
#2470 2011-06-05 05:52:40
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
Hi ganesh;
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
#2471 2011-06-05 16:19:56
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,424
Re: 10 second questions
Hi anonimnystefy and bobbym,
The solution 2957 is correct. Brilliant!
#2958.
#2959.
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
#2472 2011-06-05 16:38:48
- 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
#2473 2011-06-05 17:00:07
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,424
Re: 10 second questions
Hi bobbym,
The solutions 2958 and 2959 are both correct. Excellent!
#2960. Find the value of x if
.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
#2474 2011-06-05 17:54:10
- 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
#2475 2011-06-05 21:36:33
- anonimnystefy
- Real Member
- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,049
Re: 10 second questions
hi ganesh
Here lies the reader who will never open this book. He is forever dead.
Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.
Offline