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

You are not logged in.

## #4601 2014-03-04 01:33:07

ganesh
Moderator
Registered: 2005-06-28
Posts: 20,900

### Re: 10 second questions

Hi bobbym,

The solutions #4692 and #4693 are correct. Marvelous!

#4694. Two-fifth of one-fourth of three-seventh of a number is 15. What is half of that number?

#4695. One-fifth of a number exceeds one-seventh of the same by 10. Find the number.

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.

Online

## #4602 2014-03-04 01:41:56

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 104,196

### 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.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Offline

## #4603 2014-03-05 01:20:46

ganesh
Moderator
Registered: 2005-06-28
Posts: 20,900

### Re: 10 second questions

Hi bobbym,

The solution is

The solution #4695 is correct. Good work!

#4696. On simplification, 3034 - (1002 ÷ 20.04) is equal to _____________.

#4697. 52.416 ÷ 18.72 + 6.28 = ?

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.

Online

## #4604 2014-03-05 01:26:04

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 104,196

### 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.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Offline

## #4605 2014-03-06 01:17:46

ganesh
Moderator
Registered: 2005-06-28
Posts: 20,900

### Re: 10 second questions

Hi bobbym,

The solutions #4696 and #4697 are correct. Good work!

#4698.

of 1568 + 265.75 = x + 2455.60

Find the value of x.

#4699. Find the value of x if

5.8 x 2.5 + 0.6 x 6.75 + 139.25 = x.

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.

Online

## #4606 2014-03-06 01:27:55

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 104,196

### 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.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Offline

## #4607 2014-03-07 01:14:45

ganesh
Moderator
Registered: 2005-06-28
Posts: 20,900

### Re: 10 second questions

Hi bobbym,

The solutions #4698 and #4699 are correct. Neat work!

#4700. Find the value of

#4701. 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.

Online

## #4608 2014-03-07 01:22:54

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 104,196

### 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.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Offline

## #4609 2014-03-08 00:14:06

ganesh
Moderator
Registered: 2005-06-28
Posts: 20,900

### Re: 10 second questions

Hi bobbym,

The solutions #4700 and #4701 are correct. Awesome!

#4702. Simplify:-

.

#4703. 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.

Online

## #4610 2014-03-08 00:23:57

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 104,196

### 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.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Offline

## #4611 2014-03-09 01:00:09

ganesh
Moderator
Registered: 2005-06-28
Posts: 20,900

### Re: 10 second questions

Hi bobbym,

The solutions #4702 and #4703 are correct. Good work!

#4704.

#4705. Find the value of x.

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.

Online

## #4612 2014-03-09 01:35:13

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 104,196

### 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.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Offline

## #4613 2014-03-10 00:22:17

ganesh
Moderator
Registered: 2005-06-28
Posts: 20,900

### Re: 10 second questions

Hi bobbym,

The solutions #4704 and #4705 are correct. Excellent!

#4706. What is the value of

if
?

#4707. If

, then the value of
is _____________.

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.

Online

## #4614 2014-03-10 00:27:47

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 104,196

### 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.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Offline

## #4615 2014-03-11 00:28:41

ganesh
Moderator
Registered: 2005-06-28
Posts: 20,900

### Re: 10 second questions

Hi bobbym,

The solutions #4706 and #4707 are correct. Marvelous!

#4708. If

, then what is the value of
?

#4709. If

, then 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.

Online

## #4616 2014-03-11 00:45:06

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 104,196

### 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.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Offline

## #4617 2014-03-12 00:35:05

ganesh
Moderator
Registered: 2005-06-28
Posts: 20,900

### Re: 10 second questions

Hi bobbym,

The solutions #4708 and #4709 are correct. Fantastic!

#4710. Find x if

#4711. If 4x + 5y = 83 and

, then y - x = ?

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.

Online

## #4618 2014-03-12 00:40:36

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 104,196

### Re: 10 second questions

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.

Offline

## #4619 2014-03-12 23:12:40

ganesh
Moderator
Registered: 2005-06-28
Posts: 20,900

### Re: 10 second questions

Hi bobbym,

The solutions #4710 and #4711 are correct. Good work!

#4712. If a + b = 5 and 3a + 2b = 20, then find (3a + b).

#4713. If 2p + 3q = 18 and 2p - q = 2, then find 2p + q.

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.

Online

## #4620 2014-03-13 01:40:10

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 104,196

### 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.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Offline

## #4621 2014-03-13 22:46:03

ganesh
Moderator
Registered: 2005-06-28
Posts: 20,900

### Re: 10 second questions

Hi bobbym,

The solutions #4712 and #4713 are correct. Good work!

#4714. If 2x + y = 5 and 3x - 4y = 2, then find the value of 2xy.

#4715. If 3x - 5y = 5 and

, then what is the value of x - y?

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.

Online

## #4622 2014-03-14 02:12:05

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 104,196

### 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.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Offline

## #4623 2014-03-14 20:06:19

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

hi guys

thanks

Offline

## #4624 2014-03-14 22:39:01

ganesh
Moderator
Registered: 2005-06-28
Posts: 20,900

### Re: 10 second questions

Hi bobbym and Denominator,

The solutions #4714 and #4715 are correct. Excellent, bobbym and Denominator!

#4716. If 2x + y = 17; y + 2z = 15 and x + y = 9, then what is the value of 4x + 3y + z?

#4717. If 3x - 4y + z = 7; 2x - z + 3y = 19; x + 2y + 2z = 24, then what is the value of 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.

Online

## #4625 2014-03-14 23:10:22

bobbym
From: Bumpkinland
Registered: 2009-04-12
Posts: 104,196

### Re: 10 second questions

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.

Offline