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## #7851 2018-04-17 00:10:38

ganesh
Registered: 2005-06-28
Posts: 25,877

### Re: 10 second questions

Hi,

#6456. If a = 23 and b = -29, what is the value of

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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## #7852 2018-04-17 14:09:13

ganesh
Registered: 2005-06-28
Posts: 25,877

### Re: 10 second questions

Hi,

#6457. If a = 7 and b = -10, what is the value of

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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## #7853 2018-04-18 14:00:45

ganesh
Registered: 2005-06-28
Posts: 25,877

### Re: 10 second questions

Hi,

#6458. If (a + b) = -8 and

find the value of ab.

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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## #7854 2018-04-19 00:29:02

ganesh
Registered: 2005-06-28
Posts: 25,877

### Re: 10 second questions

Hi,

#6459. If (a - b) = 2 and ab = 99, find the value of

.

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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## #7855 2018-04-19 14:33:06

ganesh
Registered: 2005-06-28
Posts: 25,877

### Re: 10 second questions

Hi,

#6460.

and (2a - 3b) = 7, find the value of
.

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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## #7856 2018-04-20 00:17:17

ganesh
Registered: 2005-06-28
Posts: 25,877

### Re: 10 second questions

Hi,

#6461. If p = 99, find the value of

.

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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## #7857 2018-04-20 14:31:18

ganesh
Registered: 2005-06-28
Posts: 25,877

### Re: 10 second questions

Hi,

#6462. If p = 101, then find the value of

.

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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## #7858 2018-04-21 01:05:54

ganesh
Registered: 2005-06-28
Posts: 25,877

### Re: 10 second questions

Hi,

#6463. If xy(x + y) = 1, find the value of

.

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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## #7859 2018-04-21 14:28:39

ganesh
Registered: 2005-06-28
Posts: 25,877

### Re: 10 second questions

Hi,

#6464. Find the value of

if
and
.

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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## #7860 2018-04-22 00:02:34

ganesh
Registered: 2005-06-28
Posts: 25,877

### Re: 10 second questions

Hi,

#6465. If p - 2q = 4, what is the value of

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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## #7861 2018-04-22 14:46:29

ganesh
Registered: 2005-06-28
Posts: 25,877

### Re: 10 second questions

Hi,

#6466. If a + b + c = 8 and

find the value of ab + bc + ca.

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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## #7862 2018-04-23 00:02:05

ganesh
Registered: 2005-06-28
Posts: 25,877

### Re: 10 second questions

Hi,

#6467. If x + y + z = 16 and

what is the value of x(y + z) + yz?

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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## #7863 2018-04-23 14:39:40

ganesh
Registered: 2005-06-28
Posts: 25,877

### Re: 10 second questions

Hi,

#6468. If a - b = 8 and a + b = -6, find the value of

.

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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## #7864 2018-04-24 00:33:12

ganesh
Registered: 2005-06-28
Posts: 25,877

### Re: 10 second questions

Hi,

#6469. (2a - b) = 3 and (2a + b) = 13, find the value of 4ab.

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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## #7865 2018-04-24 12:57:20

Monox D. I-Fly
Member
From: Indonesia
Registered: 2015-12-02
Posts: 1,263

### 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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## #7866 2018-04-24 14:43:37

ganesh
Registered: 2005-06-28
Posts: 25,877

### Re: 10 second questions

Hi,

The solution #6468 is perfect! Excellent, Monox D. I-Fly!

#6469. If (x - y) = 2 and

find the value of
.

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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## #7867 2018-04-24 15:39:43

Monox D. I-Fly
Member
From: Indonesia
Registered: 2015-12-02
Posts: 1,263

### 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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## #7868 2018-04-24 16:49:10

ganesh
Registered: 2005-06-28
Posts: 25,877

### Re: 10 second questions

Hi,

The solution #6469 is correct. Excellent, Monox D. I-Fly!

#6470. If a = -21 and b = 25, find the value of

.

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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## #7869 2018-04-25 00:18:45

ganesh
Registered: 2005-06-28
Posts: 25,877

### Re: 10 second questions

Hi,

#6471. If (a - b) = 1 and

find the value of
.

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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## #7870 2018-04-25 15:26:28

ganesh
Registered: 2005-06-28
Posts: 25,877

### Re: 10 second questions

Hi,

#6472. If (a - b) = 4,

and ab = 21, find the value of
.

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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## #7871 2018-04-26 00:10:30

ganesh
Registered: 2005-06-28
Posts: 25,877

### Re: 10 second questions

Hi,

#6473. If (a + b) = 7 and ab = 10, find the value of

.

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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## #7872 2018-04-26 14:35:38

ganesh
Registered: 2005-06-28
Posts: 25,877

### Re: 10 second questions

Hi,

#6474. If x = 102, find the value of

.

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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## #7873 2018-04-27 00:47:00

ganesh
Registered: 2005-06-28
Posts: 25,877

### Re: 10 second questions

Hi,

#6475. If x + y = 7, find the value of

.

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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## #7874 2018-04-27 14:02:19

ganesh
Registered: 2005-06-28
Posts: 25,877

### Re: 10 second questions

Hi,

#6476. If a + b + c = 11 and

find the value of a(b + c) + b(c + a) - ab.

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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## #7875 2018-04-28 00:12:04

ganesh
Registered: 2005-06-28
Posts: 25,877

### Re: 10 second questions

Hi,

#6477. If

, find the value of
.

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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