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Rabullione
Question about carrying a negative base number to an exponent?
The problem was:
/ -3x^-4y^3 \ ^-2
| ------------- |
\ 2x^5y^-2 /
Doing this problem, I got
4x^18
--------
-9y^10
The book said it the 9 should be positive, but unless i'm mistaken, -3^-2=1/-9, whereas (-3)^2= 1/9. Because the problem seems to be similar to the first example, I don't understand why the 9 is positive...
2 AnswersMathematics9 years agoCould someone help me with an order of operations issue?
I'm having trouble figuring out why -(2-8)^2/(-6)*2 equals 12. It simplifies down to -36/(-6)*2, at which point I would have to divide -36 by -6 to get 6, and then multiply that by 2 in order to get 12.... but the order of operations (PEMDAS) lists multiplication before division, in which case I ought to multiply first, which would give me -36/-12, for a final answer of 3... is there some caveat to that general order of operations rule that I missed somewhere?
4 AnswersMathematics9 years agoWhich Bukowski poem is this referring to?
I'm reading one of his short stories, and someone referred to a poem of his: "You remember that poem you wrote about going down to the beach and climbing down the cliff to the sand and seeing all those lovers down there and you were alone and wanted to get out fast, you got out so fast you left your shoes down there with them. It was a great poem about loneliness." I tried to google it, but had no luck. Anyone know which poem this is referring to?
Thanks in advance.
1 AnswerPoetry10 years agoWhat am I missing? (polynomials question)?
I'm attempting to factor 3a^4 - 5a^2 + 2 ... the book gives the answer, but is otherwise completely useless. All I know is that it becomes (3a^2 - 2)(a^2 - 1) and finally (3a^2 - 2)(a - 1)(a + 1).
What are the steps to solving this? What the hell happens to the five?!? I understand how to factor, and can do 99% of the practice questions without a problem, but apparently i'm missing some step in this instance...
1 AnswerMathematics1 decade agoWhat is this arcade 'game' called?
It's sort of a game of chance, where you drop a ball into a a slot and it falls down between two plastic/glass sheets and is knocked around 'randomly' by a series of little dowels that are suspended between the two sheets. The objective is usually to land the ball in a certain hole at the bottom of the sheets... thoughts?
3 AnswersOther - Games & Recreation1 decade agoWhat was the title of this movie...?
It can't be more than 5 years old or so.. It's about a young CIA employee who is tasked with shadowing/informing on a senior CIA figure who, he is told, has become an agent the Russians... Any idea?
3 AnswersMovies1 decade agoMissing step in a basic factoring problem...?
I realize that this would be easy to solve by substitution, but my book it says I can solve the equation a^3 + a^2 - a - 1 = 0 by factoring, and then gives lists the following in order to show how the calculation should progress...
1) a^3 + a^2 - a - 1 = 0
2) a^2(a + 1) - (a + 1) = 0
3) (a + 1)(a^2 - 1) = 0
4) (a + 1)(a + 1)(a - 1) = 0
5) a + 1 = 0 or a - 1 = 0
so a = 1 or -1
What was done to equation 2 to arrive at equation 3?
2 AnswersMathematics1 decade agoWhich LotR trailer contained the clip where....?
One of the hobbits asked Gandalf "Is there any hope, Gandalf, for Frodo and Sam." and he replies, "There never was much hope. Just a fool's hope."
It's so epic! I need to find it!
1 AnswerMovies1 decade agoWhat does "sharding your purplez" mean (WoW terminology)?
1 AnswerVideo & Online Games1 decade agoWhat kind of engineers work on the mobile aspects of robots?
i.e. their arms, hands, walking apparatus...
5 AnswersEngineering1 decade agoI've been given a writing prompt for spanish class, what are they asking me to write?
The prompt is "Mi rutina dia ria en la universidad"... does ria mean funny, like 'my funny day' or long, as in 'my exhausting day'?
6 AnswersLanguages1 decade agoGraduate work in English at Chinese universities?
It seems like just learning the language over the course of a few years would be a relatively poor time investment... Would there be any oppurtunities to do graduate work at an accredited university in English in China? Preferably something like Political Science. Any help (especially web sites or school names) would be great.
1 AnswerHigher Education (University +)1 decade agoAt Marine Corps TBS, what aspects of your performance are judged to decide your class rank?
Seeing as class rank is what impacts how favorable of an MOS you get, its something I'd like to know more about. I imagine it is a combination of physical conditioning, academic performance, esprit, etc.
Any knowledge on exactly what is judged and in what proportions would be a huge help. Thanks!
1 AnswerMilitary1 decade agoCan you help me find this driver?
Since I downgraded from Vista to XP my laptop's sound card has not been working...
Dell.com says describes the hardware as...
SIGMATEL STAC 92XX C-Major HD Audio
and
SIGMATEL STAC 92XX Audio with Array Mic Driver
and the 'release title' is
SIGMATEL STAC 92XX C-Major HD Audio, Driver, Windows Vista 32-bit, Windows Vista 64-bit, Multi Language, Multi System, v.6.10.0.5609, A02
This is for a Dell Inspiron 1521 which has been downgraded to Windows XP... any idea where to find the driver?
5 AnswersLaptops & Notebooks1 decade agoI get the role of the average Marine... But what do Marine (or Army) officers do in Iraq? Do they see combat?
Do they patrol, clear buildings, and all of that, or do they play an administrative role?
3 AnswersMilitary1 decade agoI finally found the hardware name and item number... now for a driver?
I went back and looked at my order description, and the audio card is built in, and described as...
(Item no:313-4783) Integrated High Definition Audio 2.0
I still cant find a freakin driver... any ideas?
3 AnswersSoftware1 decade agoI downgraded from Vista and can't find an audio driver!?
I recently downgraded my Inspiron 1521 from Vista to XP, and couldn't find an audio driver on the Dell site..
http://support.dell.com/support/downloads/driversl...
any ideas?
2 AnswersSoftware1 decade agoI just downgraded from Vista to XP... any help with driver issues?
Now that I've downgraded, I'm having a lot of driver issues... My main concern is that I can't connect to the internet.
I have the 'Drivers and Utilities' disk that came with the laptop (Dell Inspiron 1521), but it wont install--it gives me a window saying:
1155:File E:\INSTALL\instmsi30.exe not found
When I go My Computer>Manage>Device Manager I see
"Base System Device
Bace System Device
Base System Device
Ethernet Controller
Network Controller
PCI Device
SM Bus Controller &
Video Controller (VGA Compatible)" all still without drivers. I've got no Idea how to find out the names of these devices or where to begin to find drivers for them (the Dell site sucks)... Anybody know what I should do?
7 AnswersSoftware1 decade agoWhat is the best free language learning software?
I've wanted to get Rosetta Stone (to learn French) for a long time, but $300 is way too expensive. Is there a free knock off or alternative that is effective that you've used or heard about?
2 AnswersSoftware1 decade ago