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iBot

Intermediate

Date of registration: Sep 18th 2009

First name: Tobi

Favorite tobacco: SB Blue Mist, SS Voltage, Fantasia AoS, Bisan Blue Magic.

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761

Thursday, April 7th 2011, 3:17pm

  • Ableitung bilden (also f'(x) von f(x))
  • Ableitung gleich Null setzen und x ausrechnen.
  • f'(x)=0 ist notwendige Bedingung, d.h. sie ist erforderlich um Extremstelle zu bestimmen, aber nicht ausreichend um zu beweisen, dass es eine ist.
Ableitung von f(x)=x^n f'(x)=n*x^(n-1)

Wurzel x = x^(1/2)
x=x^1

dh. f(x)= x^(1/2) - x^1

f'(x)= 0,5*x^(-1/2) - 1*x^0 | x^0 =1 | x^-1 = 1/x^1 = 1/x
=> f'(x)= 0,5/[x^(1/2)] - 1

Und dann halt 0 setzten

f'(x)=0

Ich komm dann auch x=0,5²

Ansonsten kannst du für Mathesachen auch immer bei rither.de schauen. Da ist alles ziemlich gut erklärt, was man so fürs Abi braucht (Stochastik noch nicht).

remo

Ehrenmitglied

Date of registration: Jan 27th 2007

First name: Fabian

Location: Oldenburg

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762

Thursday, April 7th 2011, 3:56pm

Mal btw. , welche Seite mir beim Lernen fürs Matheabi sehr geholfen hat ist
OberPrima – kostenlose Nachhilfe

Ist ab 7te Klasse bis zum Abi, Lernvideos super chillig und verständlich erklärt, kann ich nur empfehlen, auch wenn man allgemeine Fragen in Mathe hat!

Gibt auch n sehr aktives Forum da, glaub ich, da kann man auch Fragen stellen...

stryper

Beginner

Date of registration: Apr 28th 2009

Location: Berlin

Favorite tobacco: AF, Starbuzz, HH

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763

Thursday, April 7th 2011, 6:08pm

Hätte da auch mal ne Mathefrage zur Warscheinlichkeitsrechnung:

Eine Tontaube wird von fünf Jägern gleichzeitig ins Visier genommen. Zum Glück treffen diese nur mit den Warscheinlichkeiten 5%,5%,10&,10% und 20%.
a) Mit welcher Warscheinlichkeit überlebt die Tontaube?
b) Mit welcher Warscheinlichkeit wird die Tontaube mindestens zweimal getroffen?

Ich danke schonmal im Voraus :P

Date of registration: Oct 18th 2006

First name: Fabi

Location: Regensburg

Favorite tobacco: Tangiers Kashmir Guava

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764

Thursday, April 7th 2011, 6:47pm

tontaube

1) die taube überlebt nur wenn keiner trifft:0,95*0,95*0,9*0,9*0,8=0,58

2) eine tontaube wird zwar kaum zweimal getroffen weil sie nach dem ersten treffen kaputt ist aber ungeachtet desssen:
genau 1 treffer: 2*0,05*0,95*0,9²*0,8+2*0,1*0,95²*0,9*0,8+0,2*0,95²*0,9²=
0 treffer aus 1)

mindestens 2 treffer= 1- (0treffer)-(1treffer)
Wie? Du kennst die Achse des Blöden nicht?


Shisha Laden > Alles Andere

stryper

Beginner

Date of registration: Apr 28th 2009

Location: Berlin

Favorite tobacco: AF, Starbuzz, HH

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765

Thursday, April 7th 2011, 7:01pm

Also ist die Antwort zu b) ca 8,48%?

1337

Trainee

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766

Sunday, April 10th 2011, 2:04pm

Hallo.

Habe Probleme mit einer Stammbaumanalyse....meiner Ansicht nach kommt hier nur ein gonosomal rezessiver Erbgang in Frage, aber es ist ja eindeutig gesagt, dass mehrere Lösungen möglich sind.
Vielleicht versteht es ja jemand von euch besser. :(

Hier ein Link zu nem Bild von dem Stammbaum und der Aufgabe:
http://img806.imageshack.us/img806/7473/dsci0028.jpg
"It wont be long, we'll meet again, your memory is never passing.
It wont be long, we'll meet again, my love for you is ever lasting!"

Date of registration: Mar 2nd 2007

First name: Jochen

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767

Tuesday, April 12th 2011, 4:14pm

Tag zusammen,
bin zwar schon lange aus der Schule raus hab aber trotzdem ne Frage die hier her passt ^^
Macht dieser Satz Sinn ?

Pressed the button for an active order following message appears
So raise your horns to those who died
Let's drink to fallen friends tonight
Let's celebrate their glory life
We'll meet again in Valhall when we die
When we die!

Date of registration: Oct 12th 2010

First name: Aeneas

Location: Württemberg

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768

Wednesday, April 13th 2011, 11:10pm

Also ich bin ja wirklich nicht der Beste in Englisch, aber eigentlich macht der Satz keinen Sinn, da zwei verschiedene Zeitformen auftauchen (pressed und appears)
"Der Teufel erfand die Nationalität und die Konfession,
das Einzige was Gott geschaffen hat war der Mensch, die MPC und das Mikrofon"
Retrogott

Nyytii

Professional

Date of registration: Mar 4th 2011

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769

Friday, April 15th 2011, 4:19pm

Also im englishen kann wie auch im deutschen es sogar vorkommen das es in einem satz 2 zeitformen gibt :O krass ne ?

würde dennoch "Press" nehmen , falls es als aufforderung gemeint ist
Überzeugter Pastafari , lasst euch von seinen Nudligen Anhängseln Berühren !
Positiv gehandelt mit : Sandberg (2x) , Smokyroyal , frozz , lil shishaaa , ImbissMau
"Das ist eine sehr objektive Frage, die Dir jeder anders beantworten wird." (ToniM 7.2.2012)

Date of registration: Mar 2nd 2007

First name: Jochen

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770

Friday, April 15th 2011, 4:20pm

Der Sinn ist eigentlich: Wenn im Programm der Knopf gedrückt wird kommt folgende Meldung an die Oberfläche.
Das steht in der Dokumentation durchgängig an vielen Stellen auf über 300 Seiten. Da der Satz in meinen Augen so keinen Sinn macht müsste das noch korrigiert werden ^^
So raise your horns to those who died
Let's drink to fallen friends tonight
Let's celebrate their glory life
We'll meet again in Valhall when we die
When we die!

blacksun

Professional

Date of registration: Nov 2nd 2007

Location: Bayern

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771

Friday, April 15th 2011, 5:04pm

If/When the button is pressed...

FunGun

Intermediate

Date of registration: Dec 21st 2008

Location: Oldenburg

Favorite tobacco: Dubai Multifrucht

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772

Saturday, April 16th 2011, 8:32am

"for an active order" ist vermutlich die Beschreibung, was der Button macht oder? Ich würde dann "Active Order"-Button(Oder wie auch immer der in der GUI geschrieben wird) schreiben. Also:
If/When the button is pressed the following message appears.
oder
Upon pressing the button...

phlstar

Intermediate

Date of registration: Jan 29th 2011

First name: Phil

Location: Solingen

Favorite tobacco: AF 5Apfel, F Surfer on Acid, AW Blue Guava

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773

Tuesday, May 3rd 2011, 10:05pm

Kennt sich jemand mit Aristoteles aus und kann seine Hauptthesen und Werke zusammenfassen? :D
Idioten Test, klicke hier

SirPotter

Intermediate

Date of registration: Dec 16th 2008

First name: Potter

Location: Bayern|Deggendorf

Favorite tobacco: Fusion Papaya Raspberry

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774

Tuesday, May 3rd 2011, 10:19pm

18x Erfolgreich getauscht:
u.a. kugelfang - hamst0r - kingdoofy - starforsaken

1 x Nicht erfolgreich getauscht:
Wise Guy - Tabak nie weggeschickt
und ignoriert mich seitdem

phlstar

Intermediate

Date of registration: Jan 29th 2011

First name: Phil

Location: Solingen

Favorite tobacco: AF 5Apfel, F Surfer on Acid, AW Blue Guava

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775

Tuesday, May 3rd 2011, 10:36pm

hilft mir leider wenig weiter -.-
Idioten Test, klicke hier

Siken

Master

Date of registration: May 14th 2008

First name: Rouven

Location: Gelsenkirchen

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776

Tuesday, May 3rd 2011, 10:46pm

Siken bezeichnet Userin als "Hure".

SirPotter

Intermediate

Date of registration: Dec 16th 2008

First name: Potter

Location: Bayern|Deggendorf

Favorite tobacco: Fusion Papaya Raspberry

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777

Tuesday, May 3rd 2011, 11:25pm

Dacht ich mir dann auch, als er keine Zusammenfassung wollte.

Soll er halt dann selber suchen O.o
18x Erfolgreich getauscht:
u.a. kugelfang - hamst0r - kingdoofy - starforsaken

1 x Nicht erfolgreich getauscht:
Wise Guy - Tabak nie weggeschickt
und ignoriert mich seitdem

crtim

Professional

Date of registration: Nov 5th 2008

First name: Tim

Location: Deutschland

Favorite tobacco: Fumari, Fantasia

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778

Sunday, May 8th 2011, 7:40pm

Hi Leute, habe gerade ein leichtes Problem mit der Integralrechnung. Und zwar habe ich die Grenzen -π und 0 bei F(x)= 3/2 cos x
Wenn ich jetzt die Grenzen ausrechnen will komme ich immer auf 3, laut meinem GTR und meiner Mathelehrerin muss ich aber auf -3 kommen.

Wäre erfreut wenn mich jmd kurz aufklären könnte:)

Keltäää

Professional

Date of registration: Nov 5th 2007

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779

Sunday, May 8th 2011, 10:53pm

Ich versteh den Satz "Die Grenzen ausrechnen " nicht so ganz.
Meinst du damit den Flächeninhalt, weil dein Intervall liegt doch zwischen -Pi und 0, oder verstehe ich das jetzt falsch.

-3 kann meines Wissens aber kein Lösung für das Integral sein, gibt ja keine negativen Flächeninhalte ^^
Ich mag Rauch lieber als Luft, wenn ich könnte würde ich auch im Schlaf rauchen, ich würd sogar im Sarg weiter rauchen

__Andy__

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Date of registration: Jun 29th 2009

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780

Sunday, May 8th 2011, 11:01pm

nein, es kann schon -3 rauskommen. nur wenn du den Flächeninhalt haben willst musst du den betrag heranziehen.
irgendwo n vorzeichenfehler geht schnell... überprüf das nochmal^^