Register
Login
Information
This feature requires your approval of cookies
You can approve cookies in the notification bar at the top of this window
Information
This feature requires your approval of cookies
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
Yes I am 16 or older
Cookie Consent
I accept third party cookies used to show me
personalized
ads. I also accept that these cookies are used to share information about my use of this site with advertising providers who may combine it with other information that I have provided to them or that they’ve collected from my use of their services.
I accept strictly necessary cookies that guarantee functions without which I could not use this website as intended.
Configure
I accept all cookies
unlimited
sponsored calculations per hour
All Questions
^{+0}
159525 Questions
+1
403
2
+113
1 to 11
The numbers from 1 to 11 are drawn at random. Find the probability that the even numbers will all be drawn before the odd numbers.
●
●
jonathanxu999
Feb 10, 2018
+1
816
8
+11884
can anyone pls answer the first one!!!??
can anyone pls answer the first one!!!??
https://web2.0calc.com/questions/permutations-and-combinations-lt-3
●
●
●
●
●
●
●
●
rosala
Feb 10, 2018
0
481
1
Let \begin{align*} f(x) &= 2x + 5 \\ g(x) &= \sqrt{f(x)} - 2 \\ h(x) &= f(g(x)) \end{align*} What is $h(2)$?
Let
What is
?
hectictar
●
Guest
Feb 10, 2018
0
353
1
If $t(x) = |{-3+2x}|$, then what is $t(t(-4))$?
If then what is
●
Guest
Feb 10, 2018
Feb 9, 2018
+1
751
6
Andy
Andy was rowing a boat upstream. As he passed under a low bridge, his hat was knocked off, but Andy only noticed his hat missing five minutes later. He turned his boat around immediately and rowed with the same effort downstream, fishing his hat out of
read more ..
●
●
●
●
●
●
Guest
Feb 9, 2018
0
864
1
Find the area of an equilateral triangle inscribed in a circle with a circumference of 8 Pi cm.
Find the area of an equilateral triangle inscribed in a circle with a circumference of 8 Pi cm.
●
Guest
Feb 9, 2018
0
805
1
+110
A fence encloses
A fence encloses a square field whose sides measure 10m. A horse is tethered on a rope that is attached to a corner post of the field so that the horse is outside the fence.If the rope holding the horse is 18m long, find the total grazing area of the horse
read more ..
hectictar
●
Hans007
Feb 9, 2018
0
968
2
If the first three terms of an arithmetic progression are (x+3). (3x-10) and (2x+10), find x.
If the first three terms of an arithmetic progression are (x+3). (3x-10) and (2x+10), find x.
●
●
Guest
Feb 9, 2018
0
373
1
Boxes
Jai alai balls come in boxes of 8 and 15, so that 38 balls (one small box and two large boxes) can be purchased without having to break open a box, but 37 balls cannot. Find the maximum number of balls that cannot be bought without breaking boxes.
read more ..
●
Guest
Feb 9, 2018
0
218
0
Doughnuts
According to The Book of World Records, the largest doughnut ever made was a lemon-filled one baked in Florida on December 10, 1988. It weighed 2099 lbs and had a diameter of 22 ft. If a sector whose curved edge measures in were cut from this doughnut,
read more ..
Guest
Feb 9, 2018
0
716
1
+110
A+MEAN+MEAN+MAN+A=CHEAT
A+MEAN+MEAN+MAN+A=CHEAT
Each distinct letter in this addition alphametic stands for a different digit. Find the value of CHEAT.
●
Hans007
Feb 9, 2018
0
852
1
+110
The numbers from 1 to 11 are drawn at random. Find the probability that the even numbers will all be drawn before the odd numbers.
The numbers from 1 to 11 are drawn at random. Find the probability that the even numbers will all be drawn before the odd numbers.
●
Hans007
Feb 9, 2018
0
462
0
+110
The vertices of a regular nonagon are labeled ABCDEFGHJ
The vertices of a regular nonagon are labeled ABCDEFGHJ clockwise around the figure. A counterclockwise rotation of d° about the centre will map B onto D. Find the smallest value of d.
Hans007
Feb 9, 2018
0
725
1
+110
The number 2^3217 -1
The number 2^3217 -1 is a very large prime find how many digits it would take to write the number in decimal form. ( Hint: Log 2 is an interesting irrational number It's the power of 10 that gives 2, in the same way, that 3 is the power of 10 that
read more ..
●
Hans007
Feb 9, 2018
+3
534
2
+250
News from my school
Hey, i know only a few of you know but i was just in my schools Snow Daze Lip Sync Battle against about 15 juniors and the whole sophomore class. I did a solo by myself. I lip sang Stay by Flordia Georgia Line. Now keep in mind that i did it alone
read more ..
off-topic
●
●
penquino21
Feb 9, 2018
+1
734
1
+22
How much will Andrew earn over the course of 10 weeks?
Andrew earns an allowance of $12 the first week, $17 the next week, $22 the following week, and so on. How much will Andrew earn over the course of 10 weeks?
●
kalanee
Feb 9, 2018
0
358
1
Geometry Halp! -- 2 Questions
1) a. In acute triangle ABC, we know AB = 7, BC = 8, and that Line{CA} is the shortest side. What is the smallest possible integer value of CA?
b.
read more ..
●
Guest
Feb 9, 2018
+1
191
0
Off-Topic is Hot-Topic
my first post and I hope you have fun
off-topic
Guest
Feb 9, 2018
0
273
1
The coordinates of a point on a coordinate grid are (−3, 7). across the x-axis to obtain a new point. The coordinates of the reflected
The coordinates of a point on a coordinate grid are (−3, 7). The point is reflected across the x-axis to obtain a new point. The coordinates of the reflected point are (4 points)
(−3, −7)
(3, −7)
(−3, 7)
read more ..
●
Guest
Feb 9, 2018
0
264
1
Help
So I have to do a chart graph thing but for an equation, I don't know how to do the tilde mark with a Chromebook and nothing is really helping me of how to do it
1.
read more ..
●
Guest
Feb 9, 2018
0
289
1
Children's Gender...
The famous German composer, Johann Sebastian Bach, had 20 children from 2 wives. Unfortunately most of them died in their childhood. The question is this:
1- What is the probability that 12 were girls and 8 boys.
2- What is the probability
read more ..
●
Guest
Feb 9, 2018
0
315
3
3 questions I need help please
1.
2.
3.
read more ..
●
●
●
Guest
Feb 9, 2018
+1
969
9
+11884
Permutations and Combinations!!! <3
1.Find the no. of permutations of letters a , b , c , d, e , f , g taken all at a time if neither “beg” nor “cad” patterns appear in any word.
2.Find the no. of ways in which letter sof the word SQUARE can be
read more ..
●
●
●
●
●
●
●
●
●
rosala
Feb 9, 2018
«
latest
6380
6379
..
5207
5206
5205
5204
5203
..
2
1
»
14 Online Users
Top Users
+107500
Melody
moderator
+107357
CPhill
moderator
+28471
Alan
moderator
+24093
heureka
+20217
ElectricPavlov
+18290
geno3141
+11354
Omi67
moderator
+8943
asinus
moderator
+8866
hectictar
+7763
MaxWong
+6099
Rom
Sticky Topics
Has your answer tab disappeared ?
¤¤¤¤Welcome To Web2.0calc¤¤¤¤
How to display latex properly
Feature Questions 1 - Started 8th May 19
Filter Issues
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
https://www.desmos.com/calculator/bsh9ex1zxj
@ Is PROCRASTINATION a problem for you ?
@ Site full of printable puzzles.
Historical post!
What is happening? Wrap #4
Great Questions to Learn From 2
Great Answers to Learn From
Reference Material
Information for new people.