web
2.0
calc
Register
Login
Information
This feature requires your approval of cookies
You can approve cookies in the notification bar at the top of this window
Username
Password
Login
forgot your password?
Home
Forum
^{+0}
Widgets
Formulary
Maths
Help
Complex Numbers
Integral Calculus
Differential Calculus
Equations
Graphs
Linear Algebra
Number theory
Percent
Standard Functions
Statistics
Trigonometry
Unit Conversion
Units
About
Imprint
Privacy Policy
Terms of Service
Credits
Google+
Facebook
Contact Email
Post New Question
All Questions
^{+0}
138030 Questions
0
436
1
how to solve 7y-3x=-27 and 4x-y-11=0
how to solve 7y-3x=-27 and 4x-y-11=0
CPhill
●
Guest
May 17, 2015
0
305
1
{ x∈ : x^2 - 4x + 12, |x^2 -x| > x(2-x^0)}
{ x∈
: x^2 - 4x + 12, |x^2 -x| > x(2-x^0)}
Melody
●
Guest
May 17, 2015
0
546
3
+869
The unfortunate merchant
A merchant returns home , perky . His coin purse is full to bursting. Suddenly, a man flows on him, and tells him: "If you want to stay alive,
Gimme half of your money,
Plus twenty more pounds.
Or else..."
The unfortunate merchant
read more ..
Alan
●
●
●
EinsteinJr
May 17, 2015
0
296
0
+36-36+♢=56-36
+36-36+♢=56-36
♢=20
Guest
May 17, 2015
0
281
1
what is 5/100 turned into decimals?
what is 5/100 turned into decimals?
EinsteinJr
●
Guest
May 17, 2015
0
292
1
thirty-seven marbles are shared between some children. Each child receives seven marbles and there are two marbles left over. How many child
thirty-seven marbles are shared between some children. Each child receives seven marbles and there are two marbles left over. How many children share the marbles?
●
Guest
May 17, 2015
0
243
0
Why does math even exist?
Why does math even exist?
Guest
May 17, 2015
0
297
2
? times (4+3)= 42
? times (4+3)= 42
Melody
●
●
Guest
May 17, 2015
0
312
4
√x=-2
√x=-2
CPhill
●
●
●
●
Guest
May 17, 2015
0
242
1
Add parenthesis to make the answer true. 20 + 12 / 4 + 4 = 4
Add parenthesis to make the answer true. 20 + 12 / 4 + 4 = 4
CPhill
●
Guest
May 17, 2015
0
409
2
cos 48 x 13 should equal 8. something but its equals 0.01 something what have i done wrong?
cos 48 x 13 should equal 8. something but its equals 0.01 something what have i done wrong?
Melody
●
●
Guest
May 17, 2015
0
289
1
x^2-7+12=0
Solve the following quadratic equation
x^2-7+12=0
CPhill
●
Guest
May 17, 2015
0
757
1
What is the sum of the measures of the interior angles of an 83 gon?
What is the sum of the measures of the interior angles of an 83 gon?
DarkBlaze347
●
Guest
May 17, 2015
0
329
2
how do you convert degrees to radians?
how do you convert degrees to radians?
Melody
●
●
Guest
May 17, 2015
0
287
1
36*(X+5)^2
36*(X+5)^2
DarkBlaze347
●
Guest
May 17, 2015
0
293
2
triangles
I have a triangle with C = 90 degrees and a c = 166 cm and last but not least an a = 130,96 cm
which formulas and calculations do i have to do to find out the missing lengths (A,b, B)
heureka
●
●
Guest
May 17, 2015
0
652
1
For all real values of x, the function f(x) has the form: f(x)=(x2−4)−1. Select one value for v and one value for w that fulfills the condition that f(v) = w
For all real values of x, the function f(x) has the form: f(x)=(x2−4)−1. Select one value for v and one value for w that fulfills the condition that f(v) = w
Melody
●
Guest
May 17, 2015
0
304
2
+1793
This is my second question. Sorry for the trouble.
http://web2.0calc.com/questions/a-bag-contains-some-marbles-each-of-which-is-one-of-four-colors-red-white-blue-and-green-at-least-one-of-the-marbles-is-red-the-comp
Melody
●
●
Mellie
May 17, 2015
0
341
3
+1793
Hi guys! I still need help on two questions. I'll make another post for my other one. Thanks!!
http://web2.0calc.com/questions/six-points-on-a-circle-are-given-four-different-chords-joining-pairs-of-the-six-points-are-selected-at-random-what-is-the-probability-that
Melody
●
●
●
Mellie
May 17, 2015
0
1089
1
(1,3,5,7,9,11,13,15) + (1,3,5,7,9,11,13,15) +(1,3,5,7,9,11,13,15) = 30 Please help me choose the number to get 30
(1,3,5,7,9,11,13,15) + (1,3,5,7,9,11,13,15) +(1,3,5,7,9,11,13,15) = 30 Please help me choose the number to get 30
fiora
●
Guest
May 17, 2015
0
334
1
+4
Calc with NoScript and Adblock Plus
Hi,
In my Firefox this Calc not works. After slide GUI i can't click to any key.
Anyone cant help ?
read more ..
●
StuffX
May 17, 2015
0
372
1
What is the calculation of 111111111×111111111
What is the calculation of 111111111×111111111
MathsGod1
●
Guest
May 17, 2015
0
300
1
what divided by 20 =7
what divided by 20 =7
Mellie
●
Guest
May 17, 2015
0
223
1
what is 3/8x4/5x1/6
what is 3/8x4/5x1/6
MathsGod1
●
Guest
May 17, 2015
0
232
0
how do you shift
how do you shift
Guest
May 17, 2015
«
latest
5520
5519
..
1770
1769
1768
1767
1766
..
2
1
»
Post New Question
19 Online Users
Top Users
+93305
Melody
moderator
+88871
CPhill
moderator
+26971
Alan
moderator
+20006
heureka
+17745
geno3141
+12716
ElectricPavlov
+9552
Omi67
moderator
+8263
DragonSlayer554
+7449
asinus
moderator
+7266
hectictar
+7023
MaxWong
Sticky Topics
New Privacy Policy, May 2018
Geometry Thread
PUZZLES
LaTex Coding
How to upload a picture
https://www.desmos.com/calculator/bsh9ex1zxj
@ Is PROCRASTINATION a problem for you ?
@ Site full of printable puzzles.
Historical post!
Number Puzzles
What is happening? Wrap #4
Great Questions to Learn From 2
Great Answers to Learn From
Reference Material
Information for new people.
how do i type in fractions?
There are a lot of people making posts who have not gone through the formalities of becoming a member.
End of day wrap.
New Privacy Policy
We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive information about your use of our website.
For more information: our
cookie policy
and
privacy policy
.
OK