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Science & Mathematics - 18 February 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

2007-02-18 17:13:58 · 7 answers · asked by jayray0538 1 in Mathematics

tell me more abt that dude....

2007-02-18 17:13:10 · 5 answers · asked by mike_goesblues 2 in Earth Sciences & Geology

my little sis wanted to know i didnt know how to proove that it goes out but plz answer so she'll leave me alone

2007-02-18 17:10:02 · 9 answers · asked by Anonymous in Chemistry

x^(1/2) + y =5
x + y^(1/2) =3
how i can find the value of x & y ?

2007-02-18 17:08:43 · 3 answers · asked by dsre g 1 in Mathematics

People always tell me that the balloons released will kill birds.

I know they will pop eventually and fall back down to earth, but how can it kill birds?

2007-02-18 17:06:51 · 7 answers · asked by LifeisGoood 2 in Other - Science

2007-02-18 17:04:16 · 1 answers · asked by ^_^ faRah 1 in Mathematics

Swimming pool design. An architect has designed a motel pool within a
rectangular area that is fenced on three sides as shown in the figure. If she uses 60 yards of fencing to enclose an area of 352 square yards, then what are the dimensions marked L and W in the figure? Assume L is greater than W.

2007-02-18 17:03:25 · 3 answers · asked by Anonymous in Mathematics

2007-02-18 17:02:38 · 3 answers · asked by ^_^ faRah 1 in Mathematics

i have heard that magnesium help in preventing muscle cramps

2007-02-18 17:00:32 · 4 answers · asked by grino001 2 in Medicine

Why are the largest craters we find on the Moon and Mercury so much larger than the largest craters we find on the Earth?

Because the largest craters were made early in each world's history, and geologic activity has erased all traces of this early period on the Earth's surface.

Because the Moon and Mercury have larger gravity, which can attract larger pieces.

Because the Moon and Mercury do not have atmospheres to protect them from the largest pieces that can hit.

Because the Earth's magnetic field protects us from larger impacts.

Because the Moon and Mercury have much larger volcanic eruptions.

2007-02-18 16:59:31 · 9 answers · asked by ast10177 1 in Astronomy & Space

I am trying to take the dervivative with respect to x for the following problems:
y= (e^-x + 1)/ e^x

cos^ -1 (6x/5)

cos^ -1 (3x^2 +2)

y = 3sin^-1 (5x^4)

log^15 (8 + ln15)


i can't get these last 5 problems. if you can help with any. i would greatly appreciate it.

2007-02-18 16:59:13 · 3 answers · asked by jayray0538 1 in Mathematics

Kilograms
liters
milliters
centigrams
volts

2007-02-18 16:57:36 · 5 answers · asked by john 1 in Mathematics

Area of a window. A window is in the shape of a square of side s, with a
semicircle of diameter s above it. Write a function that expresses the
total area of the window as a function of s.

2007-02-18 16:56:10 · 4 answers · asked by Anonymous in Mathematics

2007-02-18 16:53:11 · 2 answers · asked by Anonymous in Earth Sciences & Geology

I was wondering if the watery fluid at the bottom of pitcher plants, which are carnivorous, are edible.

2007-02-18 16:52:11 · 7 answers · asked by Emildinho 2 in Botany

A) physics first, chemistry second, biology third
B) physics first, biology second, chemistry third
C) chemistry first, physics second, biology third
D) chemistry first, biology second, physics third
E) biology first, chemistry second, physics third
F) biology first, physics second, chemistry third

2007-02-18 16:51:22 · 7 answers · asked by World Expert 1 in Physics

How can you determine whether this equation is balanced? Count the number of each kind of atom on each side, weight the amount of compound on each side, measure the amount of energy given off at the time of the reaction, or calculate the mass?

2007-02-18 16:49:10 · 2 answers · asked by myrianna p 1 in Chemistry

The Moon is heavily cratered, but the Earth which "lives next door" is NOT. Why?

The active geology and weather on Earth destroy traces of impacts over millions of years.

All objects from space (no matter what their size) burn up in the Earth's atmosphere.

The magnetism of the Moon is more likely to attract metallic objects to hit it.

The Earth is heavily cratered, but all the craters are under the ocean.

The craters on the Moon are the result of active volcanoes; the Earth has few volcanoes compared to the Moon.

2007-02-18 16:49:07 · 15 answers · asked by ast10177 1 in Astronomy & Space

I'd like to construct some mini manipulator robot prototypes. Small as a milk box or so, made from nylamid or wood, but I'd like the control to be very precise. Not necessarily using servos, but I don't know where to get cheap-controlable motors

2007-02-18 16:46:19 · 2 answers · asked by Anonymous in Engineering

I am trying to take the dervivative with respect to x for the following problems:
y= (e^-x + 1)/ e^x

cos^ -1 (6x/5)

cos^ -1 (3x^2 +2)

y = 3sin^-1 (5x^4)

log^15 (8 + ln15)


i can't get these last 5 problems. if you can help with any. i would greatly appreciate it.

2007-02-18 16:45:14 · 3 answers · asked by jayray0538 1 in Mathematics

x^(1/2) + y = 5
x + y^(1/2) = 3

how i can find the value of x & y ?

2007-02-18 16:43:03 · 2 answers · asked by dsre g 1 in Other - Science

where is the room coming from and what is in front of the expansion ? This question is hard to explain, hopefully someone will have the answer. Thanks

2007-02-18 16:41:45 · 11 answers · asked by Tinkerbelle 6 in Astronomy & Space

Hi, currently I'm doing Marketing/Campaign performance tracking.
In short, every campaign that is done, i will do some performance tracking to measure the success of each campaign launch.

I would like to know what kind of statistics test that I can perform provided that respondent and non-respondent is known?

2007-02-18 16:40:01 · 1 answers · asked by Anonymous in Mathematics

what will you do if pigs did fly??

2007-02-18 16:39:20 · 14 answers · asked by aji 3 in Zoology

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