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Old 02-05-2009, 04:07 PM   #31
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Originally Posted by youtooellen View Post
Alright. So... new problem I've encountered.


I really fucking suck at factoring polynomials and trinomials. Especially with problems that have a leading coefficient.

Here's an example from my textbook:

18 x^6 y^5 + 24 x^3 y^3
42 x^2 y^5


Seriously. Oh em gee. I think I'm kinda sorta screwed for my exam today.
I should have done my homework earlier..
Ellen

For a problem like that, I'd suggest trying to factor the 2 separate poly/trionomials first and use the co-efficients, with a question like that it's simpler to solve them separately.

Another tip I can add is.. look for the greatest common factor and solve it like you would a quadratic equation, with assigning co-efficients to all.




<------------ took and SURVIVED (barely ) 2 years of Calculus, I and II.
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Old 02-05-2009, 04:33 PM   #32
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ok, now I know how to do define those variables. As a result I got q decrease (this tobin's q) and Y & M decrease. I should draw this now, and the only thing I know is that if Y, G, q increases the IS-curve shifts to the right. Can I shift the IS/LM-curve to the left? I have never seen that... thx
I would say so. If the opposite happens (decrease) it should shift the curves to the left. It's rather a question if that really happens. It would mean that income and consumption would have to decrease, and same with the money supply I guess. That shouldn't be likely.
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Old 02-06-2009, 02:31 AM   #33
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I would say so. If the opposite happens (decrease) it should shift the curves to the left. It's rather a question if that really happens. It would mean that income and consumption would have to decrease, and same with the money supply I guess. That shouldn't be likely.
Ok, I don't have a better idea, so I'll draw like you said...
In this case, we have a exogenous reduction of q and fixed exchange rates. So I thought the endogenous variables are Y and M...and the rest was easy. That should be right. I think those questions are not very rational sometimes. (on purpose )
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Old 02-06-2009, 07:22 AM   #34
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Tell me if it was right, as I honestly have no clue.
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Old 02-06-2009, 08:44 AM   #35
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^I don't have the answers. Listen, what do you actually know about macroecon.?


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Old 02-06-2009, 08:45 AM   #36
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Nothing.
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Old 02-06-2009, 08:55 AM   #37
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Old 02-06-2009, 10:03 AM   #38
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I took my math exam last night and I'm pretty sure I rocked it.

I guess I was overly prepared in a way, studying for the past few days... several hours a day. Anywho, I know for a fact that I got at least an 'A' or something similar to a high mark.

I have a Physical Geography exam on Tuesday now.
I ditched all of my classes yesterday, just to prepare and study for my math exam.

Anyone familiar with the Earth's outer layers and their functions? (homosphere, heterosphere-- troposphere, stratosphere, mesosphere, thermosphere, etcetera.)
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Old 02-06-2009, 12:45 PM   #39
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Stratosphere, and a bit of troposphere I can help with. We did those recently in Env. science.

Stratosphere is where the important ozone layer is. About the height that planes fly at. (10-50km up)

In order the layers are:

(space)
Thermosphere
Mesosphere
Stratosphere
Troposphere
(Earth)

Is there anything specifically you need to know about them? I can probably look it up in my text book or scan a diagram or something.
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Old 02-06-2009, 06:55 PM   #40
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As a fourth year honours student with a penchant for language and literature, I can help out with the following:

1. Translating Old English and Middle English.
2. Turning uncomplicated sentences into needlessly complicated ones.
3. Rambling for twenty pages on a topic that interests approximately .0004% of the global population.
4. Deconstructing Jacques Derrida.*




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* Okay, I lied. Fuck you, Jacques Derrida. Fuck. You.
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Old 02-06-2009, 07:25 PM   #41
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Originally Posted by youtooellen View Post
Anyone familiar with the Earth's outer layers and their functions? (homosphere, heterosphere-- troposphere, stratosphere, mesosphere, thermosphere, etcetera.)
I am. What do you need to know?
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Old 02-07-2009, 11:45 AM   #42
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Ah, thanks a lot for the help.

I forget what the purpose of all of the atmospheric layers are.

I know the atmospheric layers are split into three different categories: composition (homosphere, heterosphere), temperature (troposphere, stratosphere, mesosphere, thermosphere), and function (ozonosphere, ionosphere).

But I can't seem to differentiate all of the layers in each of the categories.
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Old 02-07-2009, 01:13 PM   #43
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Maybe making an acronym poem would help? Like where you use the first letter for a word and do it in order of the thing you're writing about.
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Old 02-07-2009, 11:12 PM   #44
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Wiki is also a very very good friend. It's not perfect but it can often send you on the right track. I know we're told to stay away from it, but talk to grad students, ask them what they use when reading up on something they aren't as familiar with.

And I've taken a hodge podge of courses to match my hodgepodge of interests.
I'll pop in here every now and again and help where I can.
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Old 02-08-2009, 11:33 AM   #45
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Yeah, I've been using an acronym for the TSMT - troposphere, stratosphere, mesosphere, thermosphere.
Another thing I keep getting confused is the times of the solstices and how they affect the Earth. I recall something about the winter solstice meaning the 24 hours of daylight or nighttime in the Arctic... but I can't remember which. Something about the Tropic of Cancer and Capricorn, being below one means something else.

Thankfully I have a study group tonight to help clarify this stuff. Hm. But these issues are only from Ch. 1 and 2... I have yet to touch Ch. 3 (about clouds, insolation, reflection, albedo , and whatnot.
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