Math Is Fun Forum
You are not logged in.
- Topics: Active | Unanswered
#1751 2010-09-30 17:50:56
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,864
Re: 10 second questions
Hi bobbym,
The solutions 2448, 2449, and 2450 are correct. Smart work!
#2451. A student was asked to solve the fraction
and his answer was . By how much was his answer wrong?#2452. Solve:
.#2453. 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.
Offline
#1752 2010-09-30 18:19:55
- 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
#1753 2010-09-30 18:43:43
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,864
Re: 10 second questions
Hi bobbym,
The solutions 2451, 2452, and 2453 are perfectly right. Superlative performance!
#2454. Find the value of
.#2455. 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.
Offline
#1754 2010-09-30 18:54:24
- 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
#1755 2010-10-01 19:34:06
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,864
Re: 10 second questions
Hi bobbym,
The solution 2454 is perfect. Certain corrections had been made is 2455, the solution is 3/17. Good work!
#2456. What is the value of sin 15[sup]o[/sup]?
#2457. What is the value of
?#2458. What is the numerical value of sec 1305[sup]o[/sup]?
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
#1756 2010-10-01 20:00:50
- 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
#1757 2010-10-02 00:55:43
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,864
Re: 10 second questions
Hi bobbym,
The solutions 2456, 2457, and 2458 are perfect. Good work!
#2459. What is the value of
?#2460. If
, then what is equal to?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
#1758 2010-10-02 09:06:47
- 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
#1759 2010-10-02 17:28:24
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,864
Re: 10 second questions
Hi bobbym,
The solutions 2459 and 2460 are perfect. Good work!
#2461. What is the value of
?#2462. If 2x + 3y = 31, y - z = 4, and x + 2z = 11, then what is the value of x + y + z?
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
#1760 2010-10-02 17:32:21
- 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
#1761 2010-10-02 18:04:30
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,864
Re: 10 second questions
Hi bobbym,
The solutions 2461 and 2462 are correct. Well done!
#2463. What is 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.
Offline
#1762 2010-10-02 18:19:33
- 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
#1763 2010-10-03 00:37:01
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,864
Re: 10 second questions
Hi bobbym,
The solution to 2463 is correct. Excellent!
#2464. Find the Greatest Common Divisor:
.#2465. Find the Least Common Multiple:
.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
#1764 2010-10-03 07:55:37
- 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
#1765 2010-10-03 08:02:19
- 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
#1766 2010-10-04 01:23:59
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,864
Re: 10 second questions
Hi bobbym,
The solutions 2464 and 2465 are perfect. Remarkable!
#2466. Find the sum of 8[sup]3[/sup]+9[sup]3[/sup]+10[sup]3[/sup]+ ... 25[sup]3[/sup].
#2467. Find the sum of first 40 positive integers divisible by 6.
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
#1767 2010-10-04 15:20:39
- 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
#1768 2010-10-05 01:26:30
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,864
Re: 10 second questions
Hi bobbym,
The solutions to 2466 and 2467 are perfect. Good work!
#2468. The radius of a sphere is doubled. What would be the effect on the surface area of the sphere?
#2469. A hemisphere of radius 6 cm is cast into a right circular cone of height 75 cm. What is the radius of the base of cone?
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
#1769 2010-10-05 01:42:09
- 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
#1770 2010-10-05 02:09:22
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,864
Re: 10 second questions
Hi bobbym,
The solutions to 2468 and 2469 are correct. Well done!
#2470. What is the value of
?#2471. A person observed the angle of elevation of the top of tower as 30 degrees. He walked 50 meters towards the foot of the tower along level ground and found the angle of elevation of the top of the tower as 60 degrees. Find the height of the tower.
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
#1771 2010-10-07 00:56:30
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,864
Re: 10 second questions
Hi bobbym,
The solutions to 2470 and 2471 are 1/2 and 43.3 meters.
#2472. What is the value of sin[sup]2[/sup]20[sup]o[/sup] + sin[sup]2[/sup]70[sup]o[/sup] - tan[sup]2[/sup]45[sup]o[/sup]?
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
#1772 2010-10-07 01:07:41
- 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.
Offline
#1773 2010-10-08 01:00:44
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,864
Re: 10 second questions
Hi bobbym,
The solution of 2472 is perfect. Well done!
#2473. What is the value of
.#2474. What is 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.
Offline
#1774 2010-10-08 08:53:28
- 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
#1775 2010-10-09 00:48:47
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,864
Re: 10 second questions
Hi bobbym,
The solutions 2473 and 2474 are perfect. Brilliant!
#2475. Rahul is half his father's age now. Fifteen years ago, he was one-third of his father's age. How old would Rahul be after 5 years?
#2476. Dipa is seven years older than Shikha. Fifteen years ago, Shikha's age was three quarters of Dipa's age. Find the age of Dipa now.
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