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
237687 Questions
-4
946
2
+24
HALP
Four different coins are used in Australia with values of 5, 10, 20, and 50 cents. The Australian coins in Farmer Tim's pocket have a total value of $3.95, and he has at least one of each coin. What is the smallest number of coins that he could have in
read more ..
●
●
ProffesorNobody
Jun 14, 2019
+3
999
6
Como se puede cambiar un decimal a un fraccionario?
No encuentro como cambiar un numero decimal a un fraccionario
off-topic
●
●
●
●
●
●
Guest
Jun 14, 2019
0
406
0
help appreciated
The matrices A and B are inverses. What is xy?
A = <1 x> B= <-1 x>
read more ..
Guest
Jun 14, 2019
0
920
1
help please
Let A be a 2*2 matrix such that det(A) = 7. Find det(3A)
●
Guest
Jun 14, 2019
Jun 13, 2019
0
976
2
Help!
A tank is to be filled with water. When the tank is one-sixth full, 130 gallons of water are added, making the tank three-fifths full. How many gallons does the tank contain when it is completely full?
●
●
Guest
Jun 13, 2019
0
895
3
Help
Simplify: $\frac{1}{\sqrt{2}+\frac{1}{\sqrt{8}+\sqrt{200}+\frac{1}{\sqrt{18}}}}$.
●
●
●
Guest
Jun 13, 2019
0
1007
1
Help
The product of three consecutive whole numbers is 46,620. What is the mean of these three numbers?
●
Guest
Jun 13, 2019
+2
920
1
+142
Complex
Let $a$ and $b$ be nonzero complex numbers such that \[|a| = |b| = |a + b|.\]Find the sum of all possible values of $\frac{a}{b}.$
●
LeoIsTheBest
Jun 13, 2019
0
961
2
+895
Exponential Functions
Graph each function. Based on the graph, state the domain and range, and find any intercepts.
●
●
AdamTaurus
Jun 13, 2019
0
943
2
i dont get it
In the set {a,b,c}, the members a,b and c are distinct positive integers such that A is less than B, B is less than C, and C is less than 50, and the mean of the set is an integer value. What is the greatest possible mean?
power27
●
●
Guest
Jun 13, 2019
+1
877
1
Factorial Help
The symbol 3! Means 3 x 2 x 1, which equals 6. Similarly 5! Means 5 x 4 x 3 x 2 x 1, which equals 120, and so on. Suppose that N! ends in exactly 3 zeros after fully multiplying out. What is the smallest value that N can have?
power27
●
Guest
Jun 13, 2019
0
856
2
HELP with geometry!!!!!
Angle bisectors and of intersect at point L. Prove that .
Thank you and please help!
●
●
Guest
Jun 13, 2019
0
643
1
help
In right triangle , we have and is on such that bisects . If and , then what is ?
●
Guest
Jun 13, 2019
0
1119
3
What is the area of a circle with a circumference of 4pi^2
thank you!!!
●
●
●
Guest
Jun 13, 2019
0
977
1
+1495
Help Me please
what is the locus of the centers of all circles that are tangent to both of two parallel lines?
●
ManuelBautista2019
Jun 13, 2019
+3
867
0
+108
Info on CLEP
Hey everyone!
So this summer, I am going to be taking the. College Algebra CLEP test. Currently using Modern States free online study tool, and some other resources I have from my AoPS Algebra 2 class. Does anyone have any tips, tricks, or othe
read more ..
BasicMaths
Jun 13, 2019
+3
1047
9
+1008
Hi How is your Day!
Hi how is your Day!
off-topic
●
●
●
●
●
●
●
●
●
Nickolas
Jun 13, 2019
+4
787
0
+1008
Please Help Gracias!
Please Help Gracias!
Nickolas
Jun 13, 2019
0
918
1
MECHANICS - A particle moves in a horizontal line from point A to point C, via point B.
A particle moves in a horizontal line from point A to point C, via point B.
It has a constance acceleration of 1ms-2 and passes point B after 6 seconds and point C after a further 4 seconds.
Its velocity at C is 50ms-1.
read more ..
●
Guest
Jun 13, 2019
+4
1
1034
11
+448
One Varible equation's....
I'm giving a problem to solve for x and I know how to do most 1 varible equations but I'm a little fuzzy on what to do for this type
read more ..
●
●
●
●
●
●
●
●
●
●
●
HiylinLink
Jun 13, 2019
0
923
3
+379
Help please!
deleted.
●
●
●
sinclairdragon428
Jun 13, 2019
+5
859
4
+1008
Please Help Gracias
Please Help Gracias
●
●
●
●
Nickolas
Jun 13, 2019
+5
992
13
+1008
Please Help Gracias
Please Help Gracias
read more ..
●
●
●
●
●
●
●
●
●
●
●
●
●
Nickolas
Jun 13, 2019
«
latest
9506
9505
..
5969
5968
5967
5966
5965
..
2
1
»
Post New Question
2 Online Users
Top Users
+130549
CPhill
moderator
+37185
ElectricPavlov
+33666
Alan
moderator
+15134
asinus
moderator
+3146
admin
administrator
+2272
Bosco
+1955
NotThatSmart
+1808
blackpanther
+850
cooIcooIcooI17
+448
HiylinLink
+267
CInsbstnkng
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.