Mathematics - 21 August 2006

How do you check the divisibility of a number by 7,9,11,13,17? Answer if you know atleast one of them. (Ex: Divisiblity by two the no. should end with an even no.)

2006-08-21 04:55:07 · 9 answers · asked by Anonymous

2006-08-21 04:53:02 · 20 answers · asked by BUDDXX 2

The universe is a big place, therefore probabilty would suggest anything is possible even the impossible, this paradox suits string theory down to a tee. somewhere in the universe is someone or many of you sitting in front of a computer doing exactly what you are doing, at the same time no one except you is sitting in front of a computer reading what you are reading.

2006-08-21 04:21:26 · 24 answers · asked by treb67 2

there's a bird(observer) watching other birds, 1st flock of birds fly to the sky, after that the 2nd flock of birds fly. 1 bird fron the scond flock go down and tell this to the bird(observer), "2nd flock is half of the 1st flock, all of us is 100 including you."


how many birds are there in the 1st flock?????????

how many birds are there in second flock????????



tnx for helping,,,,

2006-08-21 03:56:54 · 14 answers · asked by DEICIDE 1

How do you write out in numbers $3.13 billion? Or any number that is in the billions that has a decimal. Is it 3,000,000,000.13? I'm not sure about it. Sorry if I sound stupid, but my brain wont work this morning!!!

2006-08-21 03:31:08 · 14 answers · asked by Anonymous

2006-08-21 03:29:20 · 11 answers · asked by FauxPas 2

1.Which inequality does not have the value of -9 as part of the solution set?
a)5y-4>32+7y
b)2/3y>-21
c)7-2y>10
d)38+1/3y>2-y

2.Which of the following will have a positive solution?
a)2(4)/-16
b)-2+-44+30
c)-132-(-12)
d)-[8-(-2)]

3.Solve /m/=4 over the set of real numbers.(/m/ means the absolute value)

4.The Long's checking account was overdrawn by $35.87.They deposited $580 in the account. Then they wrote checks for $25 and $254.09.Find their new balance.

5. x(9-x)=0

6.A football team gained 23yd on one play.However, the ball was brought back to the line of scrimmage and then the team was given a 15 yd penalty.How far was the ball from where it would have been had no penalty been assessed?

7. A literal number is called__________.

If you don't know all the answers, just give me answers to some. Thanks. Show work please.

2006-08-21 03:28:20 · 8 answers · asked by Anonymous

and why?

2006-08-21 02:48:06 · 11 answers · asked by ATHeisT 1

Solve the differential equation y'=y-x+1 to find the value of y, when x=1 (full working apprieciated)

2006-08-21 02:01:22 · 6 answers · asked by Anonymous

use doublr or half angle formulas..

1. cos 105 deg
2. cos 165 deg

pls show your solutions..tnx..

2006-08-21 01:51:33 · 5 answers · asked by leo 2

2006-08-21 01:32:23 · 25 answers · asked by Rob KM 1

2006-08-21 01:07:02 · 34 answers · asked by Anonymous

I don't quite understand what to do in this question...
1. Use the Pythagorean identity:
Given that cos x = 3/5 and 3pi/2< x < 2pi, find sin x and tan x

2006-08-21 00:56:46 · 7 answers · asked by Anonymous

I'm European and I don't know the American measurement.

2006-08-21 00:10:25 · 13 answers · asked by pope1882 1

2006-08-21 00:07:49 · 17 answers · asked by james g 1