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Science & Mathematics - 4 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

How to improve this engineering fields?do tell me.

2007-02-04 16:08:46 · 3 answers · asked by Amanda 1 in Engineering

If they like it so much why don't they come out during sunlight hours rather than at night?

2007-02-04 16:08:45 · 8 answers · asked by Anonymous in Biology

A small company produces both standard and deluxe playhouses. The standard playhouses take 12 hours of labor to produce, and the deluxe playhouses take 20 hours. The labor available is limited to 800 hours per week, and the total production capacity is 50 items per week. Existing orders require the company to produce at least 10 standard playhouses and 15 deluxe playhouses per week. Write a system of inequalities representing this situation, where x is the number of standard playhouses and y is the number of deluxe playhouses.

Solve the system.x + 2y = 4x + 2y = –2

2007-02-04 16:01:20 · 2 answers · asked by mysteryperson 1 in Mathematics

X- intercepts ???
Expressing the answer in "ordered pair(s) How would I simplify these equations. I am having major trouble with these two equations!!!!


y = x^2 -3x -2



y = x^2 -2x + 4

2007-02-04 16:00:09 · 1 answers · asked by CookFrNW 3 in Mathematics

I am working on an assignment for my geography class, and I am having a hard time figuring this out. We were given about 2 paragraphs talking about the Bermuda-Azores High Pressure Cell / Maritime Influence.... My professor wants us to explain why the English didn't find the same type of climate in Virginia as the climate in Italy when they came to Jamestown. Something about how the high pressure system in the middle of the Atlantic affects Virginia differently than it affects Italy.
If anyone knows anything about this, please let me know as soon as possible, I really am having a hard time with this. Thanks so much. :)

2007-02-04 15:59:49 · 3 answers · asked by Carly 3 in Weather

4x^2 -3x +3 =0

?????????????

I know its already set up in the perfect quadratic equation form but I am lost on how to complete the problem

2007-02-04 15:56:41 · 6 answers · asked by CookFrNW 3 in Mathematics

Please give me the strongest- the bottom line of evidence for Evolution. Please don't make it too long tho.

2007-02-04 15:56:26 · 13 answers · asked by Mr. Jack Dulligan 2 in Biology

Like in a glass of sea salt...

2007-02-04 15:55:39 · 3 answers · asked by Kev 1 in Astronomy & Space

Can someone explain to me "color" in chemistry terms? I read somewhere that it has something to do with the atoms and when light beams to the protons and when it reflects out, it gives a different color. But I can't find the book now. :/
Someone help?

2007-02-04 15:55:13 · 3 answers · asked by damaged_numbers 1 in Chemistry

Lithium
Boron
Nitrogen
Fluorine

2007-02-04 15:51:17 · 2 answers · asked by Heavy Metal 3 in Chemistry

Yoou are driving at 35km/hr when the road desends suddenly 15m into a valley.You take your foot of the accelorator and coast down hill.Just as you reach the bottom you see the police hiding behind the speed limit sighn that reads 70 km/hr.

2007-02-04 15:50:21 · 2 answers · asked by RhondaJo 2 in Physics

2007-02-04 15:49:15 · 10 answers · asked by Anonymous in Mathematics

how do wolves hunt?

2007-02-04 15:48:47 · 10 answers · asked by Itachi Uchiha 1 in Zoology

2007-02-04 15:47:55 · 5 answers · asked by meister 1 in Medicine

2007-02-04 15:47:51 · 2 answers · asked by redqueen94 2 in Biology

2007-02-04 15:47:50 · 1 answers · asked by Who_am_i 1 in Physics

I'm having bit of a trouble on my lab with that and this question "What structures were visible after staining that were not visible before the staining of the onion cell with iodine?" "How are mitochondria and chloroplasts similar and different (strcture and function)?" If your lazy and know that a site that has one or all of these answers please link it thanks.

2007-02-04 15:47:30 · 2 answers · asked by l3lackitty 1 in Biology

unite conversions and Fator label method (chemistry)

2007-02-04 15:46:55 · 18 answers · asked by Tenisha W 1 in Chemistry

A variable that can be placed into distinct categories, but that cannot be ranked is called?


a. continuous variable

b. homogeneous variable

c. qualitative variable

d. ordinal variable

e. none of these

2007-02-04 15:46:51 · 1 answers · asked by Olivia 4 in Mathematics

what's the ratio of 16 cm over 3.6 cm
and 12 ft over 3 yd

2007-02-04 15:45:18 · 4 answers · asked by Silvia k 2 in Mathematics

2007-02-04 15:44:01 · 1 answers · asked by kiran m 1 in Engineering

2007-02-04 15:41:40 · 3 answers · asked by Anonymous in Biology

i used to make porn magazine collection .that day i was alone in my house i went outside to buy my favorite magazine i came back i threw it on the table in room walked down the corridor to get in the bathroom i got my shower i was about to open the door a sound came outside the door i thought something fell down or someone came when i opened the door the magazine was standing on the floor when i looked around n got i was alone i was so scared .whatever it was slammed it with its full power on the floor in the air. i mean whatever it was ,brought my magazine in the air. it was flied in the air. n it took a long distance

2007-02-04 15:41:15 · 10 answers · asked by Anonymous in Paranormal Phenomena

drains blood from most parts of the body superior to the heart and empties into the right atrium?

2007-02-04 15:38:22 · 3 answers · asked by Anonymous in Biology

2007-02-04 15:36:28 · 2 answers · asked by Heavy Metal 3 in Chemistry

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