член: admin

16 Questions
1410 Answers

2318

+3146

Neue Datenschutzrichtlinie, Mai 2018

Hallo,

Diese Webseite wurde aktualisiert mit kleineren Anpassungen an die DS-GVO.
прочитайте больше ..

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admin 27 мая 2018 г.

+19

3484

+3146

New Privacy Policy, May 2018

Hello,

this website was updated today because of some legal changes here in Europe. ("GDPR").
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admin 27 мая 2018 г.

2274

+3146

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
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admin 12 сент. 2015 г.

+20

2721

+3146

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!
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Melody ●●●●●●●●●●●●●●●●

admin 30 авг. 2015 г.

2583

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Neue Version der Webseite ist online

Hi,

Probleme bitte per Email an britnex+bugs@gmail.com melden, Danke!
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admin 30 авг. 2015 г.

+67

4475

+3146

three times ten to the power of negative 2

help what is 3x10to the power of negative 2

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admin 26 янв. 2012 г.

+3146

MathSucks:
Simplify the Expression: Square Root symbol over 88.

sqrt( a*b ) =sqrt(a)*sqrt(b)

sqrt(88)=sqrt(4)*sqrt(22)=2*sqrt(22)
[input]factorize(88)[/input]

sqrt(30)=sqrt(30)
[input]factorize(30)[/input]

admin11 апр. 2012 г.

+3146

(P+Q)/2

[input]((-3, 4)+(4, -2))/2[/input]

admin11 апр. 2012 г.

+3146

confusedmathguy:
patio with an area of 150 square feet

two equations:
l*w=150 (area formula length*width)

confusedmathguy:
length to be 6 feet longer than the width

l=6+w

[input]solve( l*w=150, l=6+w)[/input]
length=15.6
width=9.6

test:
[input]15.6feet*9.6feet in feet^2[/input]

admin11 апр. 2012 г.

+3146

5^n

[input]5^n = 1e9[/input]

admin11 апр. 2012 г.

+3146

[input]5/10 = x/6[/input]

5/10 = x/6
*6 on both sides
6*5/10 = 6*x/6
6*5/10 = 1*x
6*5/10 = x
x = 30/10
x = 3/1
x = 3

admin10 апр. 2012 г.

+3146

Sylvia.McIntosh4:
what is the mathematical sign on a scientific calculator for fractions?

/

example:
[input]1/3 + 2 2/3[/input]

admin10 апр. 2012 г.

+3146

S = 4*v^2
[input]solve(S = 4*v^2, v)[/input]

admin10 апр. 2012 г.

+3146

Geheimrezept für Gummibärchen?

admin10 апр. 2012 г.

+3146

one formula which might help you:
sqrt( a * b ) = sqrt( a ) * sqrt( b )

now you have to "smart split" the number "under Sq. Root symbol".

Guest:
Simplify the expression: 88 under Sq. Root symbol

88 = 4 * 22
sqrt( 88 ) = sqrt( 4 ) * sqrt( 22 ) = 2 * sqrt( 22 )

sqrt( 108 ) = 6 * sqrt(3)

sqrt( a / b ) = sqrt( a ) / sqrt( b )

Guest:
4/9 uner Sq. Root symbol (Four/Ninths)

sqrt(4/9) = sqrt( 4 ) / sqrt( 9 ) = 2 / 3
sqrt( 100/49 )= 10/7
sqrt( 5/36 )= sqrt(5)/6

admin9 апр. 2012 г.

+3146

[input]209/30[/input]

admin9 апр. 2012 г.

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