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

You are not logged in.

#4776 2014-05-05 17:18:49

ganesh
Moderator
Registered: 2005-06-28
Posts: 14,459

Re: 10 second questions

Hi bobbym,

The solutions #4833 and #4834 are correct. Marvelous!

#4835.

#4836. If

, then find the value of a and b.


Character is who you are when no one is looking.

Offline

#4777 2014-05-05 19:16:46

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,776

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#4778 2014-05-05 23:50:56

ganesh
Moderator
Registered: 2005-06-28
Posts: 14,459

Re: 10 second questions

Hi bobbym,

The solution #4835 is perfect. Excellent!

#4837. Simplify:

.


Character is who you are when no one is looking.

Offline

#4779 2014-05-06 00:26:39

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,776

Re: 10 second questions

Hi;

For #4836 I added a and b for some reason.


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#4780 2014-05-06 17:44:17

ganesh
Moderator
Registered: 2005-06-28
Posts: 14,459

Re: 10 second questions

Hi bobbym,

The solution #4837 is correct. Excellent!

#4838.

#4839.


Character is who you are when no one is looking.

Offline

#4781 2014-05-06 20:14:27

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,776

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#4782 2014-05-07 16:53:14

ganesh
Moderator
Registered: 2005-06-28
Posts: 14,459

Re: 10 second questions

Hi bobbym,

The solutions #4838 and #4839 are correct. Fantastic performance!

#4840.

#4841.


Character is who you are when no one is looking.

Offline

#4783 2014-05-07 21:25:16

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,776

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#4784 2014-05-08 16:55:07

ganesh
Moderator
Registered: 2005-06-28
Posts: 14,459

Re: 10 second questions

Hi bobbym,

The solutions #4840 and #4841 are correct. Fantastic performance!

#4842.

#4843.


Character is who you are when no one is looking.

Offline

#4785 2014-05-08 21:08:40

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,776

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#4786 2014-05-09 17:05:33

ganesh
Moderator
Registered: 2005-06-28
Posts: 14,459

Re: 10 second questions

Hi bobbym,

The solutions #4842 and #4843 are correct. Brilliant!

#4844. Find the greatest four digit perfect square number.

#4845. Given

, then what is the value of
?


Character is who you are when no one is looking.

Offline

#4787 2014-05-09 20:48:40

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,776

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#4788 2014-05-10 03:24:57

ganesh
Moderator
Registered: 2005-06-28
Posts: 14,459

Re: 10 second questions

Hi bobbym,

The solutions #4844 and #4845 are correct. Excellent!

#4846. If

, then find the value of
.

#447.


Character is who you are when no one is looking.

Offline

#4789 2014-05-10 03:36:29

anonimnystefy
Real Member
From: The Foundation
Registered: 2011-05-23
Posts: 15,532

Re: 10 second questions

Hi ganesh


“Here lies the reader who will never open this book. He is forever dead.

“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment

Offline

#4790 2014-05-10 05:30:40

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,776

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#4791 2014-05-11 00:33:09

ganesh
Moderator
Registered: 2005-06-28
Posts: 14,459

Re: 10 second questions

Hi anonimnystefy and bobbym,

The solutions #4946 and #4947 are corret. Marvelous, anonimnystefy and bobbym!

#4948. Find the smallest number by which 5808 should be multiplied so that the product becomes a perfect square..

#4949. Find the least by which 1470 must be divided to get a number which is a perfect square.


Character is who you are when no one is looking.

Offline

#4792 2014-05-11 02:59:48

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,776

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#4793 2014-05-11 16:01:10

ganesh
Moderator
Registered: 2005-06-28
Posts: 14,459

Re: 10 second questions

Hi bobbym,

The solutions #4948 and #4949 are correct. Neat job!

#4950. Find the largest four-digit number which is a perfect cube.

#4951. By what least number 675 be multiplied to obtain a number which is a perfect cube?


Character is who you are when no one is looking.

Offline

#4794 2014-05-11 18:11:07

ganesh
Moderator
Registered: 2005-06-28
Posts: 14,459

Re: 10 second questions

Hi bobbym,

You have missed the problems #4950 and #4951!

#4952.

.


Character is who you are when no one is looking.

Offline

#4795 2014-05-11 19:23:48

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,776

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#4796 2014-05-12 16:34:54

ganesh
Moderator
Registered: 2005-06-28
Posts: 14,459

Re: 10 second questions

Hi bobbym,

The solutions #4950, #4951 and #4952 are correct. Splendid!

#4953. What is the smallest number to be subtracted from 549162 in order to make it a perfect square?

#4954. What is the smallest number added to 680621 to make the sum a perfect square?


Character is who you are when no one is looking.

Offline

#4797 2014-05-12 20:29:31

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,776

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#4798 2014-05-13 15:23:56

ganesh
Moderator
Registered: 2005-06-28
Posts: 14,459

Re: 10 second questions

Hi bobbym,

The solutions #4953 and #4954 are correct. Marvelous!

#4955. If

and
, find the value of
.

#4956. If

and
, then find the value of
.


Character is who you are when no one is looking.

Offline

#4799 2014-05-13 19:19:47

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 86,776

Re: 10 second questions

Hi;


In mathematics, you don't understand things. You just get used to them.
Of course that result can be rigorously obtained, but who cares?
Combinatorics is Algebra and Algebra is Combinatorics.

Offline

#4800 2014-05-14 16:43:39

ganesh
Moderator
Registered: 2005-06-28
Posts: 14,459

Re: 10 second questions

Hi bobbym,

The solutions #4955 and #4956 are correct. Fantastic!

#4957.

#4958. Find the square root of

.


Character is who you are when no one is looking.

Offline

Board footer

Powered by FluxBB