Math Is Fun Forum
You are not logged in.
- Topics: Active | Unanswered
#5551 2015-01-31 21:55:08
- 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
#5552 2015-02-01 00:47:37
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,403
Re: 10 second questions
Hi bobbym,
The solution #5359 is correct. Excellent!
#5360. If the coefficient of variation of a collection of data is 57 and its Standard Deviation is 6.84, then find the mean.
Happy Sunday to you, bobbym!
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
#5553 2015-02-02 04:53:26
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
Hi;
Thanks!
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
#5554 2015-02-02 17:27:15
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,403
Re: 10 second questions
Hi bobbym,
The solution #5360 is correct. Excellent!
#5361. A man is 28.5 meters away from a tower. His eye level above the ground is 1.5 meters. The angle of elevation of the tower from his eyes is 45°. Find the height of the tower.
#5362. The least value in a collection of data is 14.1. The range of the collection is 28.4. Find the greatest value of the collection.
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
#5555 2015-02-03 01:08:10
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,403
Re: 10 second questions
Hi,
#5363. The sum of the reciprocals of (x + 2) and (x - 2) is equal to 6 times the reciprocal of (4x + 7). Find the value(s) of 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
#5556 2015-02-03 17:58:32
- 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
#5557 2015-02-04 00:47:21
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,403
Re: 10 second questions
Hi bobbym,
The solution #5363 is perfect. Remarkable!
#5364. A curved surface area of a right circular cylinder is 704 square centimeters, and height is 8 centimeters. Find the volume of the cylinder in liters.
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
#5558 2015-02-04 04:14:43
- 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
#5559 2015-02-04 15:52:50
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,403
Re: 10 second questions
Hi bobbym,
#5365. Find the remainder when
.
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
#5560 2015-02-04 19:43:42
- 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
#5561 2015-02-05 01:15:07
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,403
Re: 10 second questions
Hi bobbym,
The solution #5365 is correct. Neat job!
#5366. If A and B are two events such that
, then 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
#5562 2015-02-05 06:35:29
- 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
#5563 2015-02-05 16:30:40
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,403
Re: 10 second questions
Hi bobbym,
The solution #5366 is correct. Good work!
#5367. The total surface area of a solid right circular cylinder is 660 square centimeters. If its diameter of the base is 14 centimeters, find the height of the cylinder.
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
#5564 2015-02-05 19:48:59
- 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
#5565 2015-02-07 00:09:14
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,403
Re: 10 second questions
Hi bobbym,
The solution #5367 is correct. Good work!
#5368. The largest value of a collection of data is 7.44. If the range is 2.26, then find the smallest value in the ollection.
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
#5566 2015-02-07 16:26:44
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,403
Re: 10 second questions
Hi,
#5369. A ladder leaning against a vertical wall makes an angle of 60° with the ground. The foot of the ladder is 3.5 meters away from the wall. Find the length of the ladder.
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
#5567 2015-02-07 23:48:05
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,403
Re: 10 second questions
Hi,
The solutions and
#5370. 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
#5568 2015-02-08 08:26:43
- 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
#5569 2015-02-08 16:13:23
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,403
Re: 10 second questions
Hi bobbym,
The solution #5370 is correct. Excellent!
#5371.Find the sum of the arithmetic series: 5 + 11 + 17 + ... + 95.
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
#5570 2015-02-08 16:24:20
- 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
#5571 2015-02-08 18:44:46
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,403
Re: 10 second questions
Hi bobbym,
The solution #5371 is correct. Marvelous!
#5372. 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
#5572 2015-02-09 18:16:37
- 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
#5573 2015-02-09 19:48:41
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,403
Re: 10 second questions
Hi bobbym,
The solution #5372 is correct. Brilliant!
#5373. 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
#5574 2015-02-10 11:37:24
- 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
#5575 2015-02-10 16:05:01
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,403
Re: 10 second questions
Hi bobbym,
The solution #5373 is correct. Excellent!
#5374. Find the area of the triangle formed by the points (0,0), (2,0), and (0,2).
#5375. Find the total surface area of a solid hemisphere of diameter 2 centimeter.
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