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## #4801 2014-05-15 04:12:43

ganesh
Moderator
Registered: 2005-06-28
Posts: 21,812

### Re: 10 second questions

Hi bobbym,

The solutions #4957 and #4958 are correct. Superlative!

#4959. If

and
, then what is the value of

?

#4960. If (a - b) is 6 more than (c + d) and (a + b) is 3 less than (c - d), then what is (a - c)?

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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## #4802 2014-05-15 05:38:05

Maburo
Member
Registered: 2013-01-08
Posts: 287

### Re: 10 second questions

4959.

4960.

"Pure mathematics is, in its way, the poetry of logical ideas."
-Albert Einstein

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## #4803 2014-05-15 05:45:38

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 107,194

### 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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## #4804 2014-05-15 16:17:54

ganesh
Moderator
Registered: 2005-06-28
Posts: 21,812

### Re: 10 second questions

Hi Maburo and bobbym,

The solutions #4959 and #4960 are correct. Remarkable, Maburo and bobbym!

#4961. If

, then what is the value of
?

#4962. If

, what is the value of P?

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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## #4805 2014-05-15 16:55:57

Maburo
Member
Registered: 2013-01-08
Posts: 287

### Re: 10 second questions

"Pure mathematics is, in its way, the poetry of logical ideas."
-Albert Einstein

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## #4806 2014-05-15 21:34:14

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 107,194

### 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.

Online

## #4807 2014-05-16 15:14:22

ganesh
Moderator
Registered: 2005-06-28
Posts: 21,812

### Re: 10 second questions

Hi Maburo and bobbym,

The solutions #4961 nd #4962 are correct. Marvelous, Maburo and bobbym!

#4963.

#4964.

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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## #4808 2014-05-16 15:44:58

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 107,194

### 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.

Online

## #4809 2014-05-17 21:30:11

ganesh
Moderator
Registered: 2005-06-28
Posts: 21,812

### Re: 10 second questions

Hi bobbym,

The solutions #4#4965963 and #4964 are correct. Marvelous!

#4965. Find the vlue of x if

.

#4966.

.

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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## #4810 2014-05-17 22:28:53

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 107,194

### 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.

Online

## #4811 2014-05-17 23:12:16

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,018

### 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
The knowledge of some things as a function of age is a delta function.

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## #4812 2014-05-18 01:10:34

ganesh
Moderator
Registered: 2005-06-28
Posts: 21,812

### Re: 10 second questions

Hi bobbym and anonimnystefy,

The solution #4965 is correct, bobbym! Excellent!

The solutions #4965 and #4966 are correct. Stupendous, anonimnystefy!

#4967. If

,
and
, then what is the value of
?

#4968. If a, b, c are integers; a² + b² = 45 and b² + c² = 40, then what are the values of a, b, and c respectively?

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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## #4813 2014-05-18 01:20:42

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 107,194

### 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.

Online

## #4814 2014-05-18 09:35:17

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,018

### 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
The knowledge of some things as a function of age is a delta function.

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## #4815 2014-05-18 17:05:18

ganesh
Moderator
Registered: 2005-06-28
Posts: 21,812

### Re: 10 second questions

Hi bobbym and anonimnystefy,

The solution is perfect, anonimnystefy (#4968)! The solution #4968 is perfect, but for a minor error, bobbym!

#4969.

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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## #4816 2014-05-18 17:22:50

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 107,194

### 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.

Online

## #4817 2014-05-19 02:15:40

ganesh
Moderator
Registered: 2005-06-28
Posts: 21,812

### Re: 10 second questions

Hi bobbym,

The solution #4969 is correct. Splendid!

#4970.

#4971.

.

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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## #4818 2014-05-19 02:20:54

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 107,194

### 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.

Online

## #4819 2014-05-19 17:30:27

ganesh
Moderator
Registered: 2005-06-28
Posts: 21,812

### Re: 10 second questions

Hi bobbym,

The solution #4970 and #4971 are correct. Neat work!

#4972.

(This problem takes  5 to 10 minutes to solve)

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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## #4820 2014-05-19 20:22:46

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 107,194

### 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.

Online

## #4821 2014-05-20 02:15:31

ganesh
Moderator
Registered: 2005-06-28
Posts: 21,812

### Re: 10 second questions

Hi bobbym,

The solution #4972 is correct Fabulous!

#4973

#4974. Find the value of x if

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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## #4822 2014-05-20 02:19:59

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 107,194

### 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.

Online

## #4823 2014-05-20 02:59:03

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,018

### 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
The knowledge of some things as a function of age is a delta function.

Offline

## #4824 2014-05-20 13:28:53

ganesh
Moderator
Registered: 2005-06-28
Posts: 21,812

### Re: 10 second questions

Hi bobbym and anonimnystefy,

The solutions #4973 and #4974 are correct. Marvelous. bobbym and anonimnystefy!

#4975. Find the cube root of 2744.

#4976. By what least number 4320 be multiplied to obtain a number which is a perfect cube?

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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## #4825 2014-05-20 13:53:03

ShivamS
Member
Registered: 2011-02-07
Posts: 3,648

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