Mathe Flashcards

1
Q

Km/h in m/h?

A

:1000

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2
Q

Km/h in km/s

A

:3600

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3
Q

h in sec?

A

•3600

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4
Q

Tag in sec?

A

24•3600 = 86400

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5
Q

Prismas

A

Grundfläche • Höhe
V = G • h
O = 2G+M

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6
Q

Volumen Zylinder

A

V = r^2πH

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7
Q

Oberfläche Zylinder

A

O = 2r^2π+2rπH

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8
Q

Volumen Kugel

A

V = 4/3 r^3π

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9
Q

Oberfläche Kugel

A

O = 4r^2π

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10
Q

10^-18?

A

Atto

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11
Q

10^-15?

A

Femto

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12
Q

10^-12?

A

Pico

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13
Q

10^2?

A

Hekto

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14
Q

10^1?

A

Deka

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15
Q

10^12?

A

Tera

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16
Q

10^15?

A

Peta

17
Q

Peta- ?

A

10^15

18
Q

1km^2 in ha? Und a?

A
ha = 10^2
a = 10^4
19
Q

Km/h in m/s?

A

:3,6

20
Q

Log 10 = ?

A

1

21
Q

Ln e = ?

A

1

22
Q

Umfang Kreis

A

2rπ => 6π

23
Q

Flächeninhalt Kreis

A

πr2 = 3 r²

24
Q

Was ist bei Ungleichungen zu beachten?

A

Bei : - x (geteilt durch minus x) wird Zeichen umgedreht.

25
Q

Bei welchen Winkeln sind Sinus und Cosinus gleich?

A

90° und 225°-falsch?

26
Q

Volumen eines Kegels?

A

V = 1/3 G • h oder V = 1/3 π • r² • h

27
Q

Promille

A

1/1000stel. -> bei 6L Blut davon in Körper:
1‰ = 6mL Blut
1,5‰ = 9mL

28
Q

Umfang Dreieck

A

U = a•h(a)/2

29
Q

Primzahlen

A

eine natürliche Zahl größer als eins, die nur durch sich selbst und durch 1 ganzzahlig teilbar ist. Die kleinsten Primzahlen sind:

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97 …

Die Zahlen 0 und 1 sind weder prim noch zusammengesetzt.

30
Q

Integralrechnung

A

F(x) = x^n+1/n+1 + C

31
Q

Primzahlen

A

2,3,5,7,11,13,17,19,23…

0 und 1 zählen nicht dazu