Science & Mathematics - 17 December 2006

Rebecca's little sister lies for her to push her in the swing at the park in her neighborhood. The other day Rebeca pulled theswing back and let it go. She would have kept pushing,but she suddenly saw a friend at the other end of the park. THe wing traveled a total didtance of 10 feet before heading back the other way. Each swing afterwards was only 80% as long as the previous one. Find the total distance the swing traveled before it stopped.

2006-12-17 07:16:53 · 5 answers · asked by Leah 1 in Mathematics

2006-12-17 07:15:48 · 15 answers · asked by Josh 1 in Mathematics

I need to differentiate.

2006-12-17 07:12:50 · 2 answers · asked by kira 2 in Mathematics

And what happens to the earthworm, after a big rain, when the soil is flooded?

2006-12-17 07:12:25 · 10 answers · asked by Anonymous in Biology

2006-12-17 07:12:21 · 3 answers · asked by carspare 2 in Physics

2006-12-17 07:11:23 · 2 answers · asked by Booker T "Right There" 5 in Geography

2006-12-17 07:11:00 · 2 answers · asked by xzhibt 1 in Physics

i am doing a project and really need to know ASAP how many sides does the glass pyrmaid at the louvre have, do all pyramids have the same amount of sides, or do some have 3 and some 4??

thanks so much! have a gr8 weekend :)

2006-12-17 07:06:11 · 6 answers · asked by Anonymous in Mathematics

2006-12-17 07:05:49 · 14 answers · asked by Anonymous in Weather

2006-12-17 07:01:37 · 7 answers · asked by Melissa C 2 in Engineering

Do elephants have udders, i am so sure they do, several people have told me they dont.. but i am quite certain?

2006-12-17 07:01:01 · 18 answers · asked by ................... 1 in Zoology

2006-12-17 06:48:57 · 4 answers · asked by hot chico 1 in Physics

m=7n
3m+8n-29

a sightseeing boat charges $5 for children and $8 for adults.On its first trip of the dat, it collected $439 for 71 paying passengers.How many children and adults were there?

2006-12-17 06:48:09 · 6 answers · asked by sexypimpett 1 in Mathematics

True or false

2006-12-17 06:40:44 · 8 answers · asked by wicked 1 in Mathematics

2006-12-17 06:40:11 · 7 answers · asked by wicked 1 in Mathematics

2006-12-17 06:39:40 · 4 answers · asked by wicked 1 in Mathematics

2006-12-17 06:38:54 · 9 answers · asked by Anonymous in Mathematics

How many lattice points are on the graph y=(x√2) -1?
A lattice point is a point whose coordinates are both integers

2006-12-17 06:37:21 · 3 answers · asked by mascga3 1 in Mathematics

You have just won 64,000 on the TV show "Who wants to be a Millionaire" You can either quit with those winnings or risk answering another question. If you answer correct, then you win 128,000/ If incorrect your winnings fall to 32,000. Using the expected value of winnings, and taking only these three values into account, complete the following sentence.
I should risk answering another question if and only I am at least ___ percent confident of answering it correct.

2006-12-17 06:37:02 · 2 answers · asked by Marcus Aldrige 1 in Mathematics

2006-12-17 06:36:51 · 6 answers · asked by Liz01 1 in Weather

Who can help me with this maths problem?

2006-12-17 06:36:47 · 4 answers · asked by Anonymous in Mathematics

2006-12-17 06:35:19 · 8 answers · asked by nameless 1 in Chemistry

The manager of a supermarket usually adds a mark-up of 20% to the wholesale prices of all the goods he sells. He reckons that he has a loyal core of F customers and that, if he lowers his mark-up to x % he will attract an extra k(20-k) customers from his rivals. Each week the average shopper buys goods whose wholesale value is $A. Show that with a mark up of x% the supermarket will have an anticipated weekly profit of
$ 1/100 Ax((F+20k)-kx)

Who can help me with this maths problem?

2006-12-17 06:35:01 · 1 answers · asked by Anonymous in Mathematics

I know that the formula for work is
W=fd x cos. of theta

When would it be fd x sin of theta?

2006-12-17 06:34:02 · 5 answers · asked by classicrockrox 3 in Physics

My chem teacher told us that the group one elements react differently than other metals?

For example, the problems were...
NaOH-->
KOH-->

and apparently the answers are not Na+OH or NaO+H2O ?

Anyone know why?

2006-12-17 06:32:52 · 2 answers · asked by classicrockrox 3 in Chemistry

Either Data or A link would be great :)

2006-12-17 06:29:58 · 1 answers · asked by Adam M 2 in Engineering

2006-12-17 06:27:52 · 1 answers · asked by jonreed13 1 in Engineering

2006-12-17 06:26:30 · 28 answers · asked by Abigail B 1 in Geography

i was watching "most haunted" the other night and couldnt make up my mind if i believe in spirits or not.
anyone have any stories to share?
merry christmas xxxxx

2006-12-17 06:26:01 · 31 answers · asked by cheekkkychik 2 in Paranormal Phenomena

2006-12-17 06:24:31 · 4 answers · asked by panda_carr 1 in Engineering