Math Is Fun Forum
You are not logged in.
- Topics: Active | Unanswered
#6551 2016-03-12 05:14:38
- 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
#6552 2016-03-12 17:25:03
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,418
Re: 10 second questions
Hi;
The solution set #5706 is perfect. Excellent, bobbym!
#5707. Solve:
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
#6553 2016-03-12 19:42:06
- 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
#6554 2016-03-12 23:53:19
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,418
Re: 10 second questions
Hi;
The solution set in #5707 is correct. Immaculate, bobbym!
#5708. Solve:
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
#6555 2016-03-13 03:43:12
- 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
#6556 2016-03-13 15:36:53
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,418
Re: 10 second questions
Hi;
The solution set #5708 is correct. Marvelous, bobbym!
#5709. 50 circular plates each of diameter 14 cm and thickness 0.5 cm are placed one above the other to form a right circular cylinder. Find its total surface area.
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
#6557 2016-03-13 17:19:18
- 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
#6558 2016-03-13 17:35:30
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,418
Re: 10 second questions
Hi;
The solution #5709 is correct. Excellent, bobbym!
(The Area is 1408 square centimeters).
#5710. Find the volume of the largest right circular cone that can be cut out of a cube whose edge is 9 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.
Offline
#6559 2016-03-14 01:21:44
- 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
#6560 2016-03-14 03:28:20
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,418
Re: 10 second questions
Hi;
The solution #5710 is perfect. Stupendous, bobbym!
#5711. An urn contains 10 red and 8 white balls. One ball is drawn at random. Find the probability that the ball drawn is white.
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
#6561 2016-03-14 10:36:36
- 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
#6562 2016-03-14 16:36:25
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,418
Re: 10 second questions
Hi;
The solution #5711 is correct. Neat work, bobbym!
#5712. A bag contains cards which are numbered from 2 to 90. A card is drawn at random from the bag. Find the probability that it bears
(i) a two-digit number.
(ii) a number which 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.
Offline
#6563 2016-03-15 04:45:00
- 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
#6564 2016-03-15 14:47:05
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,418
Re: 10 second questions
Hi;
The solution #5712 (ii) is correct. Neat work, bobbym!
#5713. Cards numbered from 1 to 30 is put in a bag. A card is drawn at random from this bag. Find the probability that the on the card drawn is
(i) not divisible by 3.
(ii) a number greater than 7.
(iii) not a perfect square 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.
Offline
#6565 2016-03-16 18:34:44
- 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
#6566 2016-03-16 22:48:54
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,418
Re: 10 second questions
Hi;
The solutions #5713 (i) and (iii) are correct. Neat work, bobbym!
#5714. Evaluate:
#5715. Evaluate:
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
#6567 2016-03-17 02:42:52
- 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
#6568 2016-03-17 05:46:34
- Monox D. I-Fly
- Member
- From: Indonesia
- Registered: 2015-12-02
- Posts: 2,000
Re: 10 second questions
Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away.
May his adventurous soul rest in peace at heaven.
Offline
#6569 2016-03-17 16:52:46
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,418
Re: 10 second questions
Hi;
The solutions : and .
Neat work (#5715) is correct, Monox D. I-Fly! The solutions (#5714 and #5715) are correct, bobbym! Marvelous!
#5716. Evaluate:
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
#6570 2016-03-17 18:32:33
- 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
#6571 2016-03-17 23:14:05
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,418
Re: 10 second questions
Hi;
The solution #5716 is correct! Neat work, bobbym!
#5717. sin 2A = 2 sinA is true when A = ?
#5718. Evaluate:
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
#6572 2016-03-18 05:54:05
- Monox D. I-Fly
- Member
- From: Indonesia
- Registered: 2015-12-02
- Posts: 2,000
Re: 10 second questions
Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away.
May his adventurous soul rest in peace at heaven.
Offline
#6573 2016-03-18 06:14:35
- 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
#6574 2016-03-18 17:40:27
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,418
Re: 10 second questions
Hi;
The solutions, #5717 and #5718, are correct. Excellent, Monox D. I-Fly and bobbym!
#5719. If
find the value of 'x'.#5720. If sin (A + B) = 1 and cos (A - B) = 1, find A and B.
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
#6575 2016-03-18 17:48:25
- 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