Register
Login
Username
Password
Login
forgot your password?
Home
Forum
+0
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
231124 Questions
+1
902
5
+321
Comedy Thread!
Here, you can share funny things that happened to you or your friends, or something you read online! It can be anything you want to post! Have fun!
off-topic
●
●
●
●
●
ThatOnePerson
Oct 29, 2019
0
338
0
help
A train having 12 stations enroutehas to be stopped at 4 stations, number of ways it can be stopped if no two of the stopping stations are consecutive ?
Guest
Oct 29, 2019
0
559
2
Can anyone help pleasea? Super stuck...
Suppose that the inverse of the function is given by for all satisfying . Find .
Much Help would be appreciated!
●
●
Guest
Oct 29, 2019
0
406
1
help
a, b, c are different positive integers such that a + b, a + c, b + c are all perfect squares. What is the smallest possible value of the sum a + b + c?
●
Guest
Oct 29, 2019
0
380
1
help
Suppose T = 1 + 2 + 3 + ... + 209 . Including the sum, how many sums of two or more consecutive positive integers have value T?
●
Guest
Oct 29, 2019
+4
950
3
+1712
Okay, I know some people are new...
Look- what I am going to say is probably going to upset some stomachs. But it is true.
Don't waste your time on downvoting me.
read more ..
off-topic
●
●
●
tommarvoloriddle
Oct 29, 2019
0
1004
1
PreAlgebra Easy
A stairway with three steps has three risers that are each 8 inches high and three treads that are each 10 inches deep. What is the area, in square inches, of this figure that is the side panel of the stairway?
●
Guest
Oct 29, 2019
0
778
1
Horizontal Physics 2D
A ball is thrown horizontally from the top of a building 36.7 m high. The ball strikes the ground at a point 91.9 m from the base of the building. The acceleration of gravity is 9.8 m/s 2. Find the x component of its velocity just before it strikes the
read more ..
●
Guest
Oct 29, 2019
-2
918
6
+379
Help please!
deleted.
●
●
●
●
●
●
sinclairdragon428
Oct 29, 2019
-2
809
2
+379
Help please!
deleted.
●
●
sinclairdragon428
Oct 29, 2019
0
613
1
For a certain value of r, the system
For a certain value of r, the system
x + y + 3z = 10,
-4x + 2y + 5z = 7,
rx + z = 3
has no solutions. What is this value of r?
●
Guest
Oct 29, 2019
0
1751
2
Please help
Let $P(x)$ be a nonconstant polynomial, where all the coefficients are nonnegative integers. Prove that there exist infinitely many positive integers $n$ such that $P(n)$ is composite.
●
●
Guest
Oct 29, 2019
-2
1190
2
+379
Help please!
deleted.
●
●
sinclairdragon428
Oct 29, 2019
0
987
10
OK Brilliant People
Can this Geometry question be solve with the information given?. It was posted a day or so ago:
What is the area of an isosceles trapezoid with diagonals of length 17, all integer side lengths, and a perimeter of 50?
●
●
●
●
●
●
●
●
●
●
Guest
Oct 29, 2019
0
538
1
please help
Two trains, 350 miles apart, travel toward each other, on different tracks.One leaves at noon and travels 50mph. The other leaves at 1 PM, traveling at 70 mph. At what time will they pass each other.
Please show all steps! I
read more ..
●
Guest
Oct 29, 2019
+1
2101
18
+700
Piecewise functions
i struggle with piecewise functions as the way we are supposed to write the domain, range, int. of increase and decrease confuses me....
do we write it with curly braces or like interval notation,,,,and also what if you have an open circle and a
read more ..
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
Nirvana
Oct 29, 2019
0
562
1
help
Find the smallest angle such that and
●
Guest
Oct 29, 2019
0
585
1
help
Find the sum of all values of such that and
●
Guest
Oct 29, 2019
0
377
0
help
For , find the solutions of the inequality
Guest
Oct 29, 2019
0
826
2
helpp
What is .5625 converted to a fraction?
●
●
Guest
Oct 29, 2019
0
542
1
help pleez
For how many integers from 1 to 100, inclusive, is x^3 - x^2 a perfect square?
●
Guest
Oct 29, 2019
0
697
1
simple math problem
https://prnt.sc/ppfp1v
●
Guest
Oct 29, 2019
+6
912
4
+188
have a good day here's a funny picture
lol i hope this brightens up your day (or night) ^.^
(sorry the image got cut off from the website i copied it from)
off-topic
●
●
●
●
milkcloud
Oct 29, 2019
-1
1066
11
+134
Become A Web2.0calc Helper!!!!
Make sure that a user is a person looking for genuine help on a problem, Not just ANSWERS. Please dont post the answer, Give them a way/example on how to solve said problem. Then have them try to work it out, If they then cant get it then you can then help
read more ..
off-topic
●
●
●
●
●
●
●
●
●
●
●
killersteve27
Oct 29, 2019
-1
734
3
+379
help please!
deleted.
●
●
●
sinclairdragon428
Oct 29, 2019
«
latest
9243
9242
..
6098
6097
6096
6095
6094
..
2
1
»
Post New Question
0 Online Users
Top Users
+128664
CPhill
moderator
+118608
Melody
moderator
+33616
Alan
moderator
+14929
asinus
moderator
+9657
MaxWong
+3144
admin
administrator
+2440
GingerAle
+1791
tomtom
+1679
wiseowl
+1610
bader
+1149
parmen
Sticky Topics
Some guidelines for question askers.
What is Happening 5
Again a number puzzle. Multiply in writing.
Loads of fun printable number and logic puzzles
¤¤¤¤Welcome To Web2.0calc¤¤¤¤
How to display latex properly
Feature Questions 1 - Started 8th May 19
How to upload a picture.
If a question is ticked that does not mean you cannot continue it.
Should you consider anything before you answer a question?
Geometry Thread
PUZZLES
LaTex Coding
/calculator/bsh9ex1zxj
Historical post!
What is happening? Wrap #4
Great Questions to Learn From 2
Great Answers to Learn From
Reference Material
Information for new people.