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Science & Mathematics - 5 August 2007

[Selected]: All categories Science & Mathematics

Agriculture · Alternative · Astronomy & Space · Biology · Botany · Chemistry · Earth Sciences & Geology · Engineering · Geography · Mathematics · Medicine · Other - Science · Physics · Weather · Zoology

Two cars leave an intersection. One car travels north; the other east. When the car traveling north had gone 18 mi, the distance between the cars was 6 mi more than the distance traveled by the car heading east. How far had the east bound car traveled?

2007-08-05 12:23:38 · 4 answers · asked by koka 1 in Geography

Is it any kind of oil? Or a special kind?

2007-08-05 12:23:07 · 2 answers · asked by Aliver 2 in Earth Sciences & Geology

State the domain of the following:
a) f(x)= √x+4 sqrt is over both
b) g(x)= (2x+1)/(x-3)
c) h(x)= 3x^2+5x-3
d) l(x)= 2x+3
e) m(x)= (3)/(x^2+7)

If someone could show me step by step how to get to the answer that would be great and thank you to anyone who helps.......

2007-08-05 12:19:18 · 7 answers · asked by Anonymous in Mathematics

The height of a box is 4 inches. The length is three inches more than the width. Find the width if the volume is 432.

2007-08-05 12:17:43 · 4 answers · asked by Jose T 1 in Engineering

2007-08-05 12:16:45 · 5 answers · asked by say-la-vee 1 in Astronomy & Space

eg.

3 = prime
5 = prime
8 = even

3 + 5 = 8

2007-08-05 11:55:49 · 8 answers · asked by Anonymous in Mathematics

Its not because We've already been there and its not because we dont hav enough money to...

2007-08-05 11:54:44 · 17 answers · asked by Anonymous in Astronomy & Space

I made things happen by just thinking about it and seeing it in my mind.? Also when i was younger i "willed" stuff to happen to people that were mean to me, now have a bit of guilt associated with it. I am very intuitive as well and can read people with ease. I had to stop meditating because it was like i was receiving all, this energy and some of it was not good, also i could see auras.

2007-08-05 11:51:52 · 8 answers · asked by ~*~Amie~*~ 1 in Parapsychology

Where I'm at right now it's 5:44 p.m. and 95 degrees, heat index is 105, and it's only going to get hotter the rest of the week! How's your weather doing?

2007-08-05 11:45:35 · 16 answers · asked by Anonymous in Weather

Also when i was younger i "willed" stuff to happen to people that were mean to me. I now have a bit of guilt associated with it. I am very intuitive as well and can read people with ease.

2007-08-05 11:25:53 · 12 answers · asked by ~*~Amie~*~ 1 in Paranormal Phenomena

i just got back from fiji and i got a necklace that looks like an animal tooth, or maybe its a bone carved into that shape? id like to know what it is. i dont think its an animal from the ocean because the tooth is smooth. an its maybe about 2 inches long. can u help?

2007-08-05 11:20:47 · 5 answers · asked by Bre 1 in Zoology

plz show your work and steps
ty
1) A dog walks at a speed of 1.8m/s along the deck toward the front of a boat that is traveling at 6.6m/s with respect to the water. What is the velocity of the dog with respect to the water? Wat if the dog were walking toward te back of the boat?
2) A vacationer walks 4km/h directly across a cruise ship whose speed relative to the earth is 13.2km/h. What is the speed of the vacationer with respect to the earth?
3)Two trains approach each other on parallel tracks. ach has a speed of 80km/h with respect to the earth. If they are initially 10km apart, how long will it be before they pass each other?
and what does "relative to the Earth" mean?

2007-08-05 10:59:06 · 3 answers · asked by Anonymous in Physics

have you ever noticed sometimes when there is like a tiger shark or big shark a little fish following them close?
why is that?
some people tell me its there children some tell me to hide from other predators.

2007-08-05 10:58:50 · 4 answers · asked by Anonymous in Zoology

2007-08-05 10:56:55 · 2 answers · asked by c0l0mbianchika11 1 in Biology

What is the distance between A(-7, 3, 2) and B(1, 5, 1)?

1. 17
2. 11
3. Square root of 109
4. Square root of 69

And if you come in here and tell me to do my own work, you're getting reported for spamming.

2007-08-05 10:54:58 · 3 answers · asked by Anonymous in Mathematics

I need to have information about an apparatus that is called a "Solar Tracker" which tracks the sun's rays. This is basically used with solar cells to generate electricity. Any information would be useful and if available the method of constructing a solar tracker.

2007-08-05 10:48:19 · 3 answers · asked by zE_kInG 1 in Engineering

Decimals dont count.

2007-08-05 10:45:18 · 7 answers · asked by threezero569 2 in Mathematics

are birds really dinsours?

2007-08-05 10:44:51 · 7 answers · asked by alyssa baybee 1 in Zoology

>The FW of anhydrous CaCl2 is 111.0, so FW for CaCl2 dihydrate would be 147.0 (yes or No)
>If you had a protocol that called for 50g. anhydrous CaCl2, how would you make this solution using anhydrous CaCl2.
50mM/1000mL X 111.0 g = 5.55 g of CaCl2 to be dissolved in 1L vessel.
>How would you make this solution using CaCl2 dihydrate ?
50mM/1000mL X 147.0 g = 7.35 g of CaCl2.2H20

I will appreciate your input.

2007-08-05 10:44:19 · 1 answers · asked by Austin B 1 in Chemistry

Isn't it possible that the animals are already named by their own parent? Animals may designate names to their young that we do not even know about.

2007-08-05 10:34:49 · 24 answers · asked by Anonymous in Zoology

x+3y=10
&
y=x-2

2007-08-05 10:28:59 · 9 answers · asked by ititit3 2 in Mathematics

2007-08-05 10:28:57 · 4 answers · asked by princesscampa13 1 in Engineering

How is that you see through one side of it and the other side looks like a mirror? I always wanted know how this works.

2007-08-05 10:27:11 · 2 answers · asked by Tyga 1 in Other - Science

How do I simplify:
(9x^2 - 4) (9x^4 - 6x^3 + 4x^2)
------------------- x --------------------------
(3x^2 - 5x + 2) (27x^4 + 8x)

2007-08-05 10:22:32 · 5 answers · asked by Anonymous in Mathematics

well you know how before the world began, or anything at all
there was complete blackness nothing at all
where did the blackness, nothing, come from?
it had to start at some point
but before that
what was there???
it couldnt start at one point because at that point there
had to be something there before the nothingness

yeah i know i dont make sense
its just that this ? is making me crazy......

2007-08-05 10:19:16 · 8 answers · asked by ஐﻬ уαмι ηι cнιяυ ѕαкυяα ﻬஐ 6 in Astronomy & Space

2007-08-05 10:13:23 · 11 answers · asked by houc3672 2 in Astronomy & Space

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