Math Is Fun Forum
You are not logged in.
- Topics: Active | Unanswered
#1676 2010-09-03 16:55:22
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,406
Re: 10 second questions
Hi bobbym,
The solutions 2372 and 2373 are accurate. Outstanding!
#2374. Find the square root of x[sup]2[/sup]y[sup]4[/sup]z[sup]8[/sup].
#2375. Find the square root of 256z[sup]2[/sup]y[sup]6[/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
#1677 2010-09-03 17:53:14
- 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
#1678 2010-09-04 00:58:35
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,406
Re: 10 second questions
Hi bobbym,
The solutions 2374 and 2375 are on the dot. Well done!
#2376. Find the value of
#2377 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
#1679 2010-09-04 01:28:01
- 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
#1680 2010-09-04 17:57:45
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,406
Re: 10 second questions
Hi bobbym,
The solutions to 2376 and 2377 are exact. Wonderful!
#2378. Find the value of K such that the equation
has equal roots.
#2379. Show that the roots of the equation
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
#1681 2010-09-04 19:54:41
- 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
#1682 2010-09-05 00:47:02
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,406
Re: 10 second questions
Hi bobbym,
The solutions 2378 and 2379 are perfectly right. Commendable work!
#2380.
.#2381.
.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
#1683 2010-09-05 03:01:09
- 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
#1684 2010-09-05 16:37:30
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,406
Re: 10 second questions
Hi bobbym,
The solutions 2380 and 2381 are correct. Neat work!
#2382. Find
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
#1685 2010-09-05 16:47:31
- 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
#1686 2010-09-05 17:41:38
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,406
Re: 10 second questions
Hi bobbym,
The solution to 2382 is perfect work. Good going!
#2383. 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
#1687 2010-09-05 17:52:49
- 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
#1688 2010-09-06 00:42:13
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,406
Re: 10 second questions
Hi bobbym,
The solution to 2383 is correct. Well done!
#2384. Find the value of
.#2385.
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
#1689 2010-09-06 02:57:23
- 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
#1690 2010-09-06 16:18:19
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,406
Re: 10 second questions
Hi bobbym,
The answers to 2384 and 2385 are precise. Intelligent!
#2386.
verify that (i)
and (ii) .
#2387. If
and, verify the DeMorgan's laws
(i)
and (ii) .
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
#1691 2010-09-07 00:47:16
- 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
#1692 2010-09-08 01:54:22
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,406
Re: 10 second questions
Hi bobbym,
The solutions to two halves of 2386 and 2387 are correct. Good work!
#2388. Find the intercepts made by the straight line 3x-2y-6 = 0 on the axes of the co-ordinates.
#2389. Find the equation of the straight line passing through (6,5) with intercepts on the axes are equal in magnitude but opposite in sign.
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
#1693 2010-09-08 03:53:15
- 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
#1694 2010-09-11 17:45:03
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,406
Re: 10 second questions
Hi bobbym,
The solutions 2388 and 2389 are perfect. Keep it up!
#2390. Find the value of
approximately if ?#2391. Find the value of
approximately 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
#1695 2010-09-11 18:22:20
- 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
#1696 2010-09-12 18:33:47
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,406
Re: 10 second questions
Hi bobbym,
The solutions to 2390 and 2391 are correct. Outstanding!
#2392. Find the value of x if
.#2393. The average of 7 consecutive numbers is 20. Find the largest of these numbers.
#2394. If the difference between the squares of two consecutive positive numbers is 167, what is the smaller number?
#2395. A bridge crosses a river which is 228 meters wide. If one bank of the river holds 1/5 [sup]th[/sup] of the bridge and the other holds 1/6[sup]th[/sup] of it, what is the total length of the bridge?
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
#1697 2010-09-12 19:19:17
- 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
#1698 2010-09-13 20:25:31
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,406
Re: 10 second questions
Hi bobbym,
The solutions to 2392 and 2394 are correct. Good work!
Regarding 2393, the solution is 23, as the numbers are 17, 18, 19, 20, 21, 22, and 23.
The solution to 2395 is 360 meters.
#2396. If xy = 96 and 3y = 2x, find the value of x.
#2397. A number divided by 156 gives 29 as remainder. If the same number is divided by 13, what would be the remainder?
#2398. The sum of two numbers is 15 and sum of their squares is 113. What are the numbers?
#2399. The sum of three consecutive odd numbers is 57. Find the middle one.
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
#1699 2010-09-13 21:39:23
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
Hi ganesh;
Thanks for the bridge solution, I didn't know how to solve it. Also I meant to write 23 and typed 83 instead, stupid error.
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
#1700 2010-09-14 20:41:34
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,406
Re: 10 second questions
Hi bobbym,
The solutions 2396, 2398, and 2399 are perfect! Superlative!
For 2397,
#2400. Find the value of
.#2401. Find the value of
.#2402. Find the characteristic of the logarithm 0.0000134.
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