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
237784 Questions
0
494
2
what is 9+10?
9+10=? idk :P
●
●
Guest
Apr 11, 2015
0
550
3
Why 500*0.5 is 250
Why 500*0.5 is 250
Melody
●
●
●
Guest
Apr 11, 2015
0
768
1
Madeline and Vivian found that the sum of -3 and 4 times the opposite of a number is 27 larger than the number. What is the number?
Madeline and Vivian found that the sum of -3 and 4 times the opposite of a number is 27 larger than the number. What is the number?
CPhill
●
Guest
Apr 11, 2015
0
2692
2
Two cards are chosen at random from a standard 52-card deck. What is the probability that both cards are numbers (2 through 10) totaling to
Two cards are chosen at random from a standard 52-card deck. What is the probability that both cards are numbers (2 through 10) totaling to 12?
CPhill
●
●
Guest
Apr 11, 2015
0
2028
4
What is the probability that when we roll four fair 6-sided dice, they won't all show the same number?
What is the probability that when we roll four fair 6-sided dice, they won't all show the same number?
CPhill
●
●
●
●
Guest
Apr 11, 2015
0
609
1
Beginning at point $A$ in the diagram below, Dora selects one of the four possible directions with equal probability. Each time she comes to
Beginning at point $A$ in the diagram below, Dora selects one of the four possible directions with equal probability. Each time she comes to an intersection, she again randomly selects one of the possible directions. What is the probability that, in her
read more ..
Melody
●
Guest
Apr 11, 2015
0
983
1
What is 200000000000000 plus 100000000000000000000000000000000000000000000000000000000000000?
What is 200000000000000 plus 100000000000000000000000000000000000000000000000000000000000000?
●
Guest
Apr 11, 2015
0
439
1
if you add 20a^2c^2+8a^2c^2 does it equal 28a^2c^2 or 28a^4c^4
if you add 20a^2c^2+8a^2c^2 does it equal 28a^2c^2 or 28a^4c^4
●
Guest
Apr 11, 2015
0
489
1
-y<-9-8
-y<-9-8
●
Guest
Apr 11, 2015
0
500
1
Co-ordinate Geometry Problem
Find the gradient and y-intercept of the line with equation:
2x - 3y= 8
CPhill
●
Guest
Apr 11, 2015
0
932
5
The atmospheric pressure decreases with height. experimental
The atmospheric pressure decreases with height. experimental
it is determined that the rate at which the pressure p decreases in
function of the height h, is always proportional to p. Write the
differential equation that describes this model and
read more ..
Alan
●
●
●
●
●
Guest
Apr 11, 2015
0
554
0
De atmosferische druk neemt af met de hoogte. Experimenteel is vastgesteld dat de snelheid waarmee de druk p afneemt in functie van de hoogt
De atmosferische druk neemt af met de hoogte. Experimenteel is vastgesteld dat de snelheid waarmee de druk p afneemt in functie van de hoogte h, steeds evenredig is met p. Schrijf de dv op die dit model beschrijft en los ze algemeen op. Onderstel vervolgens
read more ..
Guest
Apr 11, 2015
0
453
0
One day, Aphrodite gets a Treasure from Zeus, but Aphrodite needs a number to open it. On the treasure is written 4 questions that will be t
One day, Aphrodite gets a Treasure from Zeus, but Aphrodite needs a number to open it. On the treasure is written 4 questions that will be the number to open that treasure. . A. 410 + 21 = 501 B. B + 16 = 810 C. 1116 + C = 1231 D. 901 + 31 = D . A^3^2/5
read more ..
Guest
Apr 11, 2015
0
1105
1
what is the solution set of the inequality 24>=1/2(6x-8y)?
what is the solution set of the inequality 24>=1/2(6x-8y)?
CPhill
●
Guest
Apr 11, 2015
0
566
0
3/(2X^2+7X-4)
3/(2X^2+7X-4)
Guest
Apr 11, 2015
0
793
2
Co-ordinate Geometry Problem
Find the coordinates of C if B is the Midpoint of AC.
B(1,6)
A(3,-2)
Midpoint of AB=(2,2)
read more ..
radio
●
●
Guest
Apr 11, 2015
+8
734
0
+118723
I have cursorily checked most posts up to and including question page 1594+ and answer page 4235+
I have cursorily checked most posts up to and including question page 1594+ and answer page 4235+
---------------------------------------------------------------------
There are some that do not have answers -
read more ..
Melody
Apr 11, 2015
0
539
0
10to14power x 3.27
10to14 power x 3.27
Guest
Apr 11, 2015
0
1040
3
+354
Lets start a debate
or τ
Pi or Tau. Which should we use and why.
Pie or Tau. Which should we use and why.
●
●
●
radio
Apr 11, 2015
0
882
1
why is (x-2)(x+3)-(x-2)(x+4)=(x-2)(x+3-x-4)
why is (x-2)(x+3)-(x-2)(x+4)=(x-2)(x+3-x-4)
Badinage
●
Guest
Apr 11, 2015
0
981
2
y=4,956x^2+0,586x-3,214x10^-3
y=4,956x^2+0,586x-3,214x10^-3
how do you solve this?
radio
●
●
Guest
Apr 11, 2015
0
843
4
armstrong number
armstrong number
radio
●
●
●
●
Guest
Apr 11, 2015
0
874
1
cos-1(0.865)
cos-1(0.865)
Melody
●
Guest
Apr 11, 2015
0
656
1
5^(X-8)=15 SOLVE FOR X
5^(X-8)=15 SOLVE FOR X
CPhill
●
Guest
Apr 11, 2015
0
645
4
how to simplify log(sub3)2+1 all over 2?
how to simplify log(sub3)2+1 all over 2?
BrittanyJ
●
●
●
●
Guest
Apr 11, 2015
«
latest
9510
9509
..
1594
1593
1592
1591
1590
..
2
1
»
Post New Question
1 Online Users
Top Users
+130516
CPhill
moderator
+118723
Melody
moderator
+15131
asinus
moderator
+2221
Bosco
+1844
blackpanther
+1580
kittykat
+1540
learnmgcat
+1309
AnswerscorrectIy
+1024
Hi6942O
+1022
gnistory
+1013
magenta
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.