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#6226 2015-12-09 20:54:32
- 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.
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#6227 2015-12-10 00:27:35
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,267
Re: 10 second questions
Hi bobbym,
The solution # 5565 is perfect! Excellent!
#5566. A box contains 5 red marbles, 8 white marbles, and 4 green marbles. One marble is taken out of the box at random. What is the probability that the marble taken out will be
(i) red?
(ii) white?
(iii) not green?
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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#6228 2015-12-10 07:33:45
- 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
#6229 2015-12-10 09:55:59
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,267
Re: 10 second questions
Hi bobbym,
The solutions (three parts) #5566 is correct! Excellent!
#5567. Prove that (4,-1), (6,0), (7,2), and (5,1) are the vertices of a rhombus. Is it a 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.
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#6230 2015-12-10 18:13:33
- 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
#6231 2015-12-10 18:47:23
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,267
Re: 10 second questions
Hi bobbym,
The solution #5567 is perfect! Excellent!
#5568. The coordinates of one end point of a diameter of a circle are (4,-1) and the coordinates of the center of the circle are (1,-3). Find the coordinates of the other end of the diameter.
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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#6232 2015-12-11 15:00:50
- 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.
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#6233 2015-12-11 15:55:39
- 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
#6234 2015-12-11 17:05:33
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,267
Re: 10 second questions
Hi Monox D. I-Fly and bobbym,
The solution #5568 is correct! Good work, Monox D. I-Fly and bobbym!
#5569. If the points P (-3,9), Q (a,b), and R (4,-5) are collinear and a + b = 1, find the values of '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.
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#6235 2015-12-11 22:57:30
- 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.
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#6236 2015-12-12 01:14:22
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,267
Re: 10 second questions
Hi Monox D. I-Fly,
The solution #5569 is correct! Excellent!
#5570. If
is an acute angle and ,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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#6237 2015-12-12 02:07:16
- Monox D. I-Fly
- Member
- From: Indonesia
- Registered: 2015-12-02
- Posts: 2,000
Re: 10 second questions
Last edited by Monox D. I-Fly (2015-12-12 02:07:52)
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
#6238 2015-12-12 07:34:26
- 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
#6239 2015-12-12 12:11:20
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,267
Re: 10 second questions
Hi Monox D. I-Fly and bobbym,
The solution #5570 is correct! Neat work, Monox D. I-Fly and bobbym!
#5571. Solve each of the following equations 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.
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#6240 2015-12-12 12:27:22
- Monox D. I-Fly
- Member
- From: Indonesia
- Registered: 2015-12-02
- Posts: 2,000
Re: 10 second questions
Last edited by Monox D. I-Fly (2015-12-12 12:27:39)
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
#6241 2015-12-12 15:11:38
- 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
#6242 2015-12-12 15:58:15
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,267
Re: 10 second questions
Hi Monox D. I-Fly and bobbym,
The solution #5571 : 60 degrees and 30 degrees respectively.
Monox D. I-Fly, Good work! bobbym, Excellent!
#5572. If
, 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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#6243 2015-12-13 02:18:30
- 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
#6244 2015-12-13 04:57:21
- 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
#6245 2015-12-13 11:14:18
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,267
Re: 10 second questions
Hi,
The solution #5572 is perfect! Wonderful, Monox D. I-Fly and bobbym!
#5573. In a simultaneous throw of a pair of dice, find the probability of getting:
(i) at least once
(ii) a number other than 5 on any dice
(iii) an even number of each die
(iv) 5 as the sum
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
#6246 2015-12-15 05:58:30
- 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
#6247 2015-12-15 14:52:30
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,267
Re: 10 second questions
Hi bobbym,
The solution #5573 are correct (three parts)! Regarding the first part, your are correct!
Excellent, bobbym!
#5574. In a lottery of 50 tickets numbered from 1 to 50, one ticket is drawn. Find the probability that the card drawn ticket bears a prime 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
#6248 2015-12-15 19:36:57
- 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
#6249 2015-12-15 20:08:46
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,267
Re: 10 second questions
Hi bobbym,
The solution #5574 is perfect! Excellent!
#5575. 5 books and 7 pens together cost $79 whereas 7 books and 5 pens together cost $77. Find the total cost of 1 book and 2 pens.
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
#6250 2015-12-16 11:25:17
- 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