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  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

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#4876 2016-05-24 06:52:45

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Oral puzzles

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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#4877 2016-05-24 15:19:37

Monox D. I-Fly
Member
From: Indonesia
Registered: 2015-12-02
Posts: 2,000

Re: Oral puzzles


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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#4878 2016-05-24 19:34:35

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,407

Re: Oral puzzles

Hi;

The solution #3017 is correct. Marvelous, bobbym and Monox D. I-Fly!

#3018. 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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#4879 2016-05-25 07:05:42

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Oral puzzles

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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#4880 2016-05-25 18:51:35

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,407

Re: Oral puzzles

Hi;

The solution #3018 is correct. Magnificent, bobbym!

#3019. If

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.

Online

#4881 2016-05-26 05:58:25

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Oral puzzles

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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#4882 2016-05-26 19:11:52

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,407

Re: Oral puzzles

Hi;

The solution #3019 is correct. Brilliant, bobbym!

#3020. 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.

Online

#4883 2016-05-27 11:10:54

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Oral puzzles

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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#4884 2016-05-27 17:33:36

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,407

Re: Oral puzzles

Hi;

The solution #3020 is correct. Brilliant, bobbym!

#3021. 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.

Online

#4885 2016-05-27 18:40:18

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Oral puzzles

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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#4886 2016-05-28 14:17:26

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,407

Re: Oral puzzles

Hi;

The solution #3021 is correct. Neat work, bobbym!

#3022. 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.

Online

#4887 2016-05-31 22:24:06

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Oral puzzles

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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#4888 2016-05-31 22:27:24

zetafunc
Moderator
Registered: 2014-05-21
Posts: 2,436
Website

Re: Oral puzzles

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#4889 2016-05-31 23:55:01

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,407

Re: Oral puzzles

Hi;

The solution set in #3022 is correct. Excellent, bobbym and zetafunc!

#3023. Solve for x and y:
7(y + 3) - 2(x + 2) = 14,
4(y - 2) + 3(x - 3) = 2.


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.

Online

#4890 2016-06-01 03:57:25

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Oral puzzles

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

#4891 2016-06-01 17:54:56

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,407

Re: Oral puzzles

Hi;

The solution set in #3023 is perfect. Marvelous, bobbym!

#3024. Solve for x and y:



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.

Online

#4892 2016-06-01 18:35:04

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Oral puzzles

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

#4893 2016-06-01 19:15:46

Relentless
Member
Registered: 2015-12-15
Posts: 631

Re: Oral puzzles

Hi (:

Agreed with bobbym, unless a and b are both zero. That just leaves y = (4-3x)/5

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#4894 2016-06-01 22:18:17

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,407

Re: Oral puzzles

Hi;

The solution set in #3024 is correct. Excellent, bobbym and Relentless!

#3025. Solve:
8x + 5y = 9 and 3x + 2y = 4.


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.

Online

#4895 2016-06-01 22:56:39

zetafunc
Moderator
Registered: 2014-05-21
Posts: 2,436
Website

Re: Oral puzzles

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#4896 2016-06-02 02:03:27

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,407

Re: Oral puzzles

Hi;

The solution set in #3025 is correct. Neat work, zetafunc!

#3026. Solve for x and y:



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.

Online

#4897 2016-06-02 02:35:22

zetafunc
Moderator
Registered: 2014-05-21
Posts: 2,436
Website

Re: Oral puzzles

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#4898 2016-06-02 05:29:51

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Oral puzzles

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

#4899 2016-06-02 17:09:44

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 48,407

Re: Oral puzzles

Hi;

The solution set in #3026 is correct. Excellent, zetafunc and bobbym!

#3027. 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.

Online

#4900 2016-06-02 18:48:00

zetafunc
Moderator
Registered: 2014-05-21
Posts: 2,436
Website

Re: Oral puzzles

Last edited by zetafunc (2016-06-02 18:48:37)

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