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

You are not logged in.

#1 2016-05-30 14:42:38

Mathegocart
Member
Registered: 2012-04-29
Posts: 1,882

True or False easies

1.There exists positive integers A and B where 1/x - 1/y = 1/(x-y)


The integral of hope is reality.

Offline

#2 2016-05-30 17:53:22

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: True or False easies

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.

Offline

#3 2016-05-30 19:56:38

zetafunc
Moderator
Registered: 2014-05-21
Posts: 2,107
Website

Re: True or False easies

Offline

#4 2016-05-30 22:34:31

Mathegocart
Member
Registered: 2012-04-29
Posts: 1,882

Re: True or False easies

zetafunc wrote:

2nd. yes.

if x + y > 10 and xy = 15
x and y are real numbers
Find the values of x and y  that will minimize 2x-y^2.
s


The integral of hope is reality.

Offline

#5 2016-05-31 03:23:12

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: True or False easies

Hi;

Have you copied the problem correctly?


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.

Offline

#6 2016-05-31 03:30:25

zetafunc
Moderator
Registered: 2014-05-21
Posts: 2,107
Website

Re: True or False easies

Offline

#7 2016-06-01 09:39:18

Mathegocart
Member
Registered: 2012-04-29
Posts: 1,882

Re: True or False easies

Thomas has 16 cookies, where 14 are sugar and 2 are chocolate chip. He wants to share the cookies with his 4 friends, Romeo, Jones, Lee, and Kim. He puts the cookies in a bag and his friends select 4 cookies. What is the probability that 2 friends get 1 chocolate chip cookie?


The integral of hope is reality.

Offline

#8 2016-06-01 09:46:07

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: True or False easies

Each friend selects 4 cookies?


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.

Offline

#9 2016-06-01 12:35:23

Mathegocart
Member
Registered: 2012-04-29
Posts: 1,882

Re: True or False easies

bobbym wrote:

Each friend selects 4 cookies?

Only 1 cookie.


The integral of hope is reality.

Offline

#10 2016-06-01 13:11:07

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: True or False easies

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.

Offline

#11 2016-06-01 18:58:15

Relentless
Member
Registered: 2015-12-15
Posts: 624

Re: True or False easies

I am getting the same answer (:

Offline

Board footer

Powered by FluxBB