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
237259 Questions
0
641
1
please help
The peak of my Fuji in Japan is approximately 12,400 feet high. A trigonometry student, several miles away, notes the angle between level ground and the peak is 30°. Estimate the distance from the student to the point on level ground directly beneath the
read more ..
CPhill
●
Guest
Apr 29, 2015
+8
1432
11
+709
My problems with the forum.
I think that we should either get rid of the forum or make it available to members only. This would greatly reduce the amount of spam and encourage more people to sign up. Also, I use the forum for help with work but by the time I get an answer, I
read more ..
CPhill
●
●
●
●
●
●
●
●
●
●
●
GenericUsernameHere
Apr 29, 2015
0
866
3
x squared - 9x+14 over x-7
x squared - 9x+14 over x-7
DarkBlaze347
●
●
●
Guest
Apr 29, 2015
0
656
2
2x-4/3+2=1/2
2x-4 +2=1/2
3
CPhill
●
●
Guest
Apr 29, 2015
0
1028
1
what is the vertex of y=x2=+4
what is the vertex of y=x2=+4
CPhill
●
Guest
Apr 29, 2015
0
785
5
+709
Help Plz
Please solve and explain how.
DarkBlaze347
●
●
●
●
●
GenericUsernameHere
Apr 29, 2015
0
931
1
Sin9°=30/x
Sin9°=30/x
DarkBlaze347
●
Guest
Apr 29, 2015
+5
3480
2
+1836
A point is chosen at random on the number line between 0 and 1, and the point is colored green. Then, another point is chosen at random on t
A point is chosen at random on the number line between 0 and 1, and the point is colored green. Then, another point is chosen at random on the number line between 0 and 1, and this point is colored purple. What is the probability that the number of the
read more ..
CPhill
●
●
Mellie
Apr 29, 2015
0
1118
3
Is the denominator the top or bottom?
Is the denominator the top or bottom of a fraction? how can I remember which is which?
●
●
●
Guest
Apr 29, 2015
0
614
1
how do you solve binomial distributions?
how do you solve binomial distributions?
Melody
●
Guest
Apr 29, 2015
0
791
4
whats 15 to the 34 power?
whats 15 to the 34 power?
shaniab29544
●
●
●
●
Guest
Apr 29, 2015
0
528
0
Helpppppp
1.What is the average common ratio between the successive height values of ball 1? Ball 2? Ball 3? Experimental errors may cause common ratios to have some variances within the data for one ball. Use the average common ratio.
Guest
Apr 29, 2015
0
862
7
+870
What is:
What is:
Melody
●
●
●
●
●
●
●
EinsteinJr
Apr 29, 2015
+2
1067
0
+1006
GoldenLeaf
Apr 29, 2015
0
706
1
+4
what is 2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+1+you
what is 2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+1+you
●
MereTitan
Apr 29, 2015
0
932
3
+12
WHATS 9+!10
WHATS 9+!10
shaniab29544
●
●
●
makeasandwitch
Apr 29, 2015
0
847
3
What is four x minus one
What is four x minus one
EinsteinJr
●
●
●
Guest
Apr 29, 2015
0
1395
3
+870
I'm moving at 80% of the speed of the light (c=299,792,458 m/s)
I'm moving at 80% of the speed of the light (c=299,792,458 m/s)
If I keep moving during 10 years, and if I were 24 years old when I started moving, how old would I be when I'll quit moving ?
HINT: THIS IS A TRICKY QUESTION ! The answer isn't
read more ..
Alan
●
●
●
EinsteinJr
Apr 29, 2015
0
2231
2
+1836
A traffic light runs repeatedly through the following cycle: green for 30 seconds, then yellow for 3 seconds, and then red for 30 seconds. Leah picks a random
A traffic light runs repeatedly through the following cycle: green for 30 seconds, then yellow for 3 seconds, and then red for 30 seconds. Leah picks a random three-second time interval to watch the light. What is the probability that the color changes
read more ..
Brodudedoodebrodude
●
●
Mellie
Apr 29, 2015
0
873
1
what is a derivative
what is a derivative?
Brodudedoodebrodude
●
Guest
Apr 29, 2015
0
773
1
remainder of the divisor of 90 divided by 8729 is?
remainder of the divisor of 90 divided by 8729 is?
Melody
●
Guest
Apr 29, 2015
0
603
1
what is a supplementary angle
what is a supplementary angle
EinsteinJr
●
Guest
Apr 29, 2015
0
1059
7
Square root calculating w/o a calculator
Find a square root of 1758276 without a calculator, step by step.
civonamzuk
●
●
●
●
●
●
●
Guest
Apr 29, 2015
«
latest
9489
9488
..
1686
1685
1684
1683
1682
..
2
1
»
Post New Question
2 Online Users
Top Users
+130466
CPhill
moderator
+33654
Alan
moderator
+15054
asinus
moderator
+3146
admin
administrator
+2234
GingerAle
+1946
NotThatSmart
+1766
blackpanther
+1725
parmen
+1556
kittykat
+1493
learnmgcat
+1376
Bosco
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.