Science & Mathematics - 2 August 2007

Determine the nature of the local extremem values and the points of inflection of any three members of the family of functions in the form f(x)=a|x^n-b|+c? (n>1, aeR,beR,ceR and a not= 0, b not= 0), and draw their graphs using the TI-89?

If someone could give me step by step how to do this I would really appreciate it. I have to submit today and have no idea :)

2007-08-02 18:28:35 · 2 answers · asked by Anonymous in Mathematics

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how much do bridges expand in hot weather & how much do they shrink in cold weather?

i know they expand because of expansion joints but how much say of brent spence bride in cincinnati ohio

2007-08-02 18:26:45 · 2 answers · asked by Anonymous in Weather

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15% as a reduced common fraction?

2007-08-02 18:26:26 · 11 answers · asked by BOOST 1 in Mathematics

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How do I simplify x squared + 5x = 36.?

2007-08-02 18:23:32 · 13 answers · asked by Jstevens 2 in Mathematics

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what does ktoe stand for? I know it has something to do with energy?

2007-08-02 18:22:54 · 2 answers · asked by Anonymous in Physics

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Where are people coming into contact with this?

"What would happen if an unstoppable force came into conflict with an immovable object?"

This question has been asked a statistically improbable number of times on YA, each time by a different individual. Is it on TV? Is an instructor asking his/her students this question? Does anyone know the source, or better yet, how to stop it? . . . It seems as if it's an unstoppable force.

2007-08-02 18:18:52 · 3 answers · asked by supastremph 6 in Physics

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Can somebody please tell me the volume in litres, of a 6m pipe with an internal diameter of 375mm. Thanks?

2007-08-02 18:16:35 · 6 answers · asked by growlingfrogs 1 in Mathematics

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60 is 5% what?

2007-08-02 18:14:31 · 11 answers · asked by BOOST 1 in Mathematics

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photoelectric effect?

...

2007-08-02 18:06:49 · 5 answers · asked by th3one101 2 in Physics

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How does lightning work exactly?

Someone once told me lightning comes from the ground? I don't understand.

2007-08-02 18:05:24 · 5 answers · asked by Anonymous in Weather

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Why does the moon look closer on some nights and further on others?

Sometimes the moon looks and also it looks so red too? Whats the explaination for this?

2007-08-02 18:03:37 · 7 answers · asked by Anonymous in Astronomy & Space

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I have a diet pill prescription that was filed 1 week before I found out I was pregnant so I could not take it

the prescription had expried a month before I had the baby. Does anyone know why prescriptions expire? Would it be dangerous to take the pills? They were $120 and I have 90 of them. I don't want to waste them. Please someone give me a clue. Please don't be rude.

2007-08-02 17:57:15 · 18 answers · asked by GoogleMeBiotCH 1 in Medicine

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Is this condition sufficient for differentiability of f?

One of the partial derivatives of f:R^n --> R exists at a point a and the other n - 1 exist in an open ball centered at a and are continuous at a. I thought all partial derivatives needed to be continuous at a and exist in a neighborhood of a, but I was told this is not the case.
Thank you

2007-08-02 17:57:05 · 2 answers · asked by Sonia 1 in Mathematics

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What is the force required to cut a leaf and a piece of wood?

2007-08-02 17:49:41 · 1 answers · asked by Anonymous in Botany

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can anyone explain me what the statement in the bracket means?

Euclidean Parallelism

As shown by the tick marks, lines a and b are parallel. We can prove this because the transversal t produces congruent angles.Given straight lines l and m, the following descriptions of line m equivalently define it as parallel to line l in Euclidean space:

Every point on line m is located exactly the same minimum distance from line l ('equidistant lines', not including the degenerate case where m = l).

i interpreted it as 'every line is not parallel to itself?
is it correct?

link to the original article:
http://en.wikipedia.org/wiki/Parallel_lines

2007-08-02 17:49:02 · 3 answers · asked by Anonymous in Mathematics

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I have6-8 shitake mushrooms and i don't know what to do with them.?

I don't want to spend alot of time making them as im not much of a mushroom fan but my boyfriend is. I have olive oil.

2007-08-02 17:43:07 · 4 answers · asked by jessica_and_jay8883 3 in Botany

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Math Challenge!!!!?

Hi!!! Could you help solve one of these math challenge??? With solutions please!!! (there's like an easier way to get these than just calculate all of it):

1. (2-2/2)*(2-2/3)*(2-3/4)*.........
2. 1+2-3+4+5-6+7+8-9+...........+...
3. 100-98+96-94+92-90+..........+...
4. (2+4+6+.....+100) - (1+3+5+.......+99)

2007-08-02 17:39:23 · 5 answers · asked by justin 1 in Mathematics

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What is faster, a giraffe or an antelope?

In terms of top running speed. Please provide a source.

2007-08-02 17:38:16 · 2 answers · asked by Brian K 2 in Zoology

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feasibility of gumamela flowers as oil?

Is the gumamela plants feasible as oil?

2007-08-02 17:37:40 · 2 answers · asked by madonene 1 in Botany

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Math Challenge!!!!?

Hi!!! Could you help solve one of these math challenge??? With solutions please!!! (there's like an easier way to get these than just calculate all of it):

1. (2-2/2)*(2-2/3)*(2-3/4)*...............(2-2004/2005)
2. 1+2-3+4+5-6+7+8-9+...........+601+602-603+604+605-606
3. 100-98+96-94+92-90+..........+8-6+4-2
4. (2+4+6+.....+100) - (1+3+5+.......+99)

2007-08-02 17:37:23 · 3 answers · asked by Anonymous in Mathematics

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If the sun comes up during the day and the moon comes up at night....?

Then what comes up in the evening? When it's not morning but it's not night...

2007-08-02 17:21:39 · 11 answers · asked by BreezeGirl 4 in Astronomy & Space

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Sunset Times?

Just wondering what time the sun comes up and sets in where ever you maybe in the world.
Here in Queensland Australia at this time of the year (Winter) the sun rises just after 6am and is setting just after 5.15 pm.

2007-08-02 17:15:12 · 7 answers · asked by Wise One 4 in Weather

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What is wind... how is wind formed?

I wanna know what is this wind everyone talks off. What makes this breeze that feels so pleasant to me. Or the gales that blow of my freaking hats. What is it and how is formed!!!!

2007-08-02 17:13:44 · 7 answers · asked by Anonymous in Weather

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A few biology questions that I need help with?

In the loop of Henle

A. filtrate is produced.
B. water osmoses into the descending limb.
C. sodium and chloride ions are actively transported out of the ascending limb.
D. the ascending limb is very permeable to water.
E. the filtrate in the descending limb becomes more and more hypotonic.

ANOTHER QUESTION

In response to high plasma osmolarity,

A. there is an increased transport of sodium ions from the lumen of the collecting duct into the renal medulla.
B. the vasa recta carry the extra solute into the medulla of the kidney where it diffuses into the interstitial space.
C. secretion of ADH is suppressed.
D. there is an increased permeability of the membrane of the renal collecting ducts to water.
E. the osmolarity of the urine will decrease

2007-08-02 17:09:52 · 1 answers · asked by shy_happy25 1 in Biology