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

You are not logged in.

- Topics: Active | Unanswered

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 13,281

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.

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 83,251

Hi;

**In mathematics, you don't understand things. You just get used to them.I have the result, but I do not yet know how to get it.All physicists, and a good many quite respectable mathematicians are contemptuous about proof.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 13,281

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 = ?

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 83,251

Hi;

**In mathematics, you don't understand things. You just get used to them.I have the result, but I do not yet know how to get it.All physicists, and a good many quite respectable mathematicians are contemptuous about proof.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 13,281

Hi bobbym,

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

#4698.

of 1568 + 265.75 = x + 2455.60Find the value of x.

#4699. Find the value of x if

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

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 83,251

Hi;

**In mathematics, you don't understand things. You just get used to them.I have the result, but I do not yet know how to get it.All physicists, and a good many quite respectable mathematicians are contemptuous about proof.**

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 13,281

Hi bobbym,

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

#4700. Find the value of

#4701. Find the value of

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 83,251

Hi;

I have the result, but I do not yet know how to get it.

All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 13,281

Hi bobbym,

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

#4702. Simplify:-

.#4703. Simplify:-

.Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 83,251

Hi;

I have the result, but I do not yet know how to get it.

All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 13,281

Hi bobbym,

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

#4704.

#4705. Find the value of x.

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 83,251

Hi;

I have the result, but I do not yet know how to get it.

All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 13,281

Hi bobbym,

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

#4706. What is the value of

if ?#4707. If

, then the value of is _____________.Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 83,251

Hi;

I have the result, but I do not yet know how to get it.

All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 13,281

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?Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 83,251

Hi;

I have the result, but I do not yet know how to get it.

All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 13,281

Hi bobbym,

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

#4710. Find x if

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

, then y - x = ?Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 83,251

Hi ganesh;

I have the result, but I do not yet know how to get it.

All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 13,281

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.

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 83,251

Hi;

I have the result, but I do not yet know how to get it.

All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 13,281

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?Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 83,251

Hi;

I have the result, but I do not yet know how to get it.

All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

Offline

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

hi guys

thanks

Offline

**ganesh****Moderator**- Registered: 2005-06-28
- Posts: 13,281

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?

Character is who you are when no one is looking.

Offline

**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 83,251

I have the result, but I do not yet know how to get it.

All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

Offline