admin

16 Questions
1410 Answers

+4

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Neue Datenschutzrichtlinie, Mai 2018

Hallo,

Diese Webseite wurde aktualisiert mit kleineren Anpassungen an die DS-GVO.
read more ..

off-topic

admin May 27, 2018

+19

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New Privacy Policy, May 2018

Hello,

this website was updated today because of some legal changes here in Europe. ("GDPR").
read more ..

off-topic

admin May 27, 2018

+6

2272

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New version is online for two weeks now, any problems?

Hi,

Any problems? You can use the "Report a Problem" link in the footer, or send me an email to britnex+bugs@gmail.com
read more ..

admin Sep 12, 2015

+20

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New website is online.

Hi,

Any problems? You can use the "Report a Problem" link in the footer, or send me an email to britnex+bugs@gmail.com , thank you!
read more ..

Melody ●●●●●●●●●●●●●●●●

admin Aug 30, 2015

+7

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Neue Version der Webseite ist online

Hi,

Probleme bitte per Email an britnex+bugs@gmail.com melden, Danke!
read more ..

admin Aug 30, 2015

+67

3

4475

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+3146

three times ten to the power of negative 2

help what is 3x10to the power of negative 2

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admin Jan 26, 2012

+3146

0

[input]x-2+0=8[/input]

adminMay 21, 2012

+3146

0

adminMay 21, 2012

+3146

0

55.50 * 70 %
55.50 * 70/100
3885/100
38.85

[input]55.50 * 70%[/input]

adminMay 21, 2012

+3146

0

(1+x)^20=2
[input]2^(1/20)-1[/input]
about 3.5%

adminMay 20, 2012

+3146

0

[input]100000000 = 20^x[/input]

[input]6.148974294721927*5min in min[/input]

about 30minutes.

adminMay 20, 2012

+3146

0

[input]round( 0.232911, 3)[/input]

adminMay 20, 2012

+3146

0

[input]sqrt(66)[/input]

adminMay 20, 2012

+3146

0

[input]850$ * 23.5%[/input]

adminMay 18, 2012

+3146

0

tkhan:
In how many ways can three black

tkhan:
a box contains 12 black

that's 3 out of 12.

do you already know nCr (from n choose r)? nCr = n! / r!*(n-r)!
[input]n=12; r=3; n! / (r!*(n-r)!)[/input]
[input]ncr( 12, 3)[/input]

for green:

tkhan:
two green be picked

tkhan:
and 8 green marbles

that's 2 out of 8.
[input]ncr( 8, 2)[/input]

combinations combined (multiplied):
[input]ncr( 12, 3) * ncr( 8, 2)[/input]

adminMay 18, 2012

+3146

0

[input]data=(23, 26, 28, 19, 10, 38, 37, 24, 25); xs=sum(data[x],x=1..9)/9; sqrt( 1/(9-1)* sum( (data[x]-xs)^2 ,x=1..9) )[/input]

adminMay 18, 2012