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**Denominator****Member**- Registered: 2009-11-23
- Posts: 155

Hello

thanks

*Last edited by Denominator (2014-03-15 09:51:44)*

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**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 20,754

Hi bobbym and Denominator,

bobbym : The solution #4716 is correct. Neat work!

Denominator : The solutions #4716 and #4717 are correct. Excellent!

#4718. Simplify :

#4719. Simplify :

.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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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 103,701

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.** **A number by itself is useful, but it is far more useful to know how accurate or certain that number is.**

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**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 20,754

Hi bobbym,

The solutions #4718 and #4719 are correct. Remarkable!

#4720. If 2x + y = 15, 2y + z = 25 and 2z + x = 26, what is the value of z?

#4721. If 2x + 3y = 31, y - z = 4 and x + 2z = 11, then what is the value of x + y + z?

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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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 103,701

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.** **A number by itself is useful, but it is far more useful to know how accurate or certain that number is.**

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**Denominator****Member**- Registered: 2009-11-23
- Posts: 155

Hiya

thanks

*Last edited by Denominator (2014-03-17 19:11:26)*

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**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 20,754

Hi bobbym and Denominator,

The solutions #4720 and #4721 are correct. Neat work!

#4722. Find the product:

#4723. Find the sum:

.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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**Denominator****Member**- Registered: 2009-11-23
- Posts: 155

hi ganesh!

*Last edited by Denominator (2014-03-20 20:08:01)*

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**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 20,754

Hi Denominator,

The solutions #4722 and #4723 are correct. Brilliant!

#4724. Evaluate :

.#4725. Evaluate :

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

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 103,701

Hi ganesh;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.** **A number by itself is useful, but it is far more useful to know how accurate or certain that number is.**

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**Denominator****Member**- Registered: 2009-11-23
- Posts: 155

*Last edited by Denominator (2014-03-21 13:06:33)*

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**ElainaVW****Member**- Registered: 2013-04-29
- Posts: 506

*Last edited by ElainaVW (2014-03-21 14:34:17)*

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**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 20,754

Hi bobbym, Denominator and ElainaVW,

The Solutions #4724 and #4725 are correct! Remarkable!

(The solution #4724 is

Denominator!)#4726. Find the value of

.#4727. Simplify:

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

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 103,701

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**

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**Denominator****Member**- Registered: 2009-11-23
- Posts: 155

hello;

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**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 20,754

Hi bobbym and Denominator,

The solutions

and .Excellent, Denominator!

#4728. Find the value of x.

#4729. Find the value of x.

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

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 103,701

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**

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**Denominator****Member**- Registered: 2009-11-23
- Posts: 155

hello

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**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 20,754

Hi bobbym and Denominator,

bobbym : The solutions #4728 and #4729 are correct. Excellent!

Denominator : The solution #4728 is correct. Good work!

#4730. Evaluate:

#4731. Find the value of

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

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 103,701

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**

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**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 20,754

Hi bobbym,

The solutions #4730 and #4731 are correct. Remarkable!

Find the value of x.

#4732.

#4733.

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

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 103,701

Hi ganesh;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**

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**Denominator****Member**- Registered: 2009-11-23
- Posts: 155

hallo

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**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 20,754

Hi,

bobbym : The #4732 is

. The solution #4733 is correct. Good work!Denominator : The solutions #4732 and #4733 are correct. Excellent!

#4734.

#4735. Find the value of x.

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

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**eigenguy****Member**- Registered: 2014-03-18
- Posts: 78

*Last edited by eigenguy (2014-03-26 00:46:52)*

"Having thus refreshed ourselves in the oasis of a proof, we now turn again into the desert of definitions." - Bröcker & Jänich

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