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
234927 Questions
0
383
1
Log Question
Find a/b when 2log(a-b)=log a + log b. I've tried everything I can think of but I have no idea how to solve it. Please help thanks!
●
Guest
Jul 11, 2020
0
320
0
geometry
Find the surface area of this composite solid.
Guest
Jul 11, 2020
0
431
1
right triangle
Find the missing length indicated.
●
Guest
Jul 11, 2020
0
1257
1
Find the non-zero value of $c$ for which there is exactly one positive value of $b$ for which there is one solution to the equation $x^2 + \
Find the non-zero value of $c$ for which there is exactly one positive value of $b$ for which there is one solution to the equation $x^2 + \left(b + \frac 1b\right)x + c = 0$
●
Guest
Jul 11, 2020
0
385
1
algebra
Simplify
Any idea how to do this?
●
Guest
Jul 11, 2020
0
314
0
Pls help
https://web2.0calc.com/questions/please-help_56508
Guest
Jul 11, 2020
0
479
1
equation of line
Write an equation of a line perpendicular to line 7x - 2y = 3 in slope-intercept form that passes through the point (-1, 6).
●
Guest
Jul 11, 2020
+2
1057
7
+11912
i have a few questions abt how the forum works.....
1.Why can i delete my questions?There is no deleting option.
2.Why cant i post anything on my previous questions?I tried but the posting option doesnt work?!
read more ..
off-topic
●
●
●
●
●
●
●
rosala
Jul 11, 2020
0
587
1
Seen previously. I choose a random integer $n$ between $1$ and $10$ inclusive. What is the probability that for the $n$ I chose, there exis
I choose a random integer $n$ between $1$ and $10$ inclusive. What is the probability that for the $n$ I chose, there exist no real solutions to the equation $x(x+5) = -n$? Express your answer as a common fraction
●
Guest
Jul 11, 2020
0
611
2
+865
idk how to do this
The quantity can be expressed as sqrtN, where $N$ is an integer. Find $N$.
●
●
AnimalMaster
Jul 11, 2020
0
374
0
Big equation!!!
Anyone know how to solve this?
Guest
Jul 11, 2020
0
515
2
stuck on permutations and combinations problem!
Moving only south and east along the line segments, how many paths are tehre from A to B? If you can explain using combinaations and permutations, it would be AWESOME! TANKS SO MUCH!!!
read more ..
●
●
Guest
Jul 11, 2020
0
688
1
Solve for $x$, where $x > 0$ and $0 = -9x^2 - 3x + 2.$ Express your answer as a simplified common fraction.
Solve for $x$, where $x > 0$ and $0 = -9x^2 - 3x + 2.$ Express your answer as a simplified common fraction.
●
Guest
Jul 11, 2020
0
375
1
Help
If we let denote the sum of all the positive divisors of the integer , how many integers exist such that and ?
●
Guest
Jul 11, 2020
0
1117
1
The quadratic $3x^2-24x+72$ can be written in the form $a(x+b)^2+c$, where $a$, $b$, and $c$ are constants. What is $a+b+c$
The quadratic $3x^2-24x+72$ can be written in the form $a(x+b)^2+c$, where $a$, $b$, and $c$ are constants. What is $a+b+c$
●
Guest
Jul 11, 2020
0
384
1
divisors question
Find the sum of the divisors of 1400. I don't want to list them all; is there an easier way?
●
Guest
Jul 11, 2020
0
514
3
please help anybody algebra question im stuck :(
I was working through some advanced algebra questions when I stumbled across a question I couldn't quite figure out.
What is the smallest distance between the origin and a point on the graph of ?
read more ..
●
●
●
Guest
Jul 11, 2020
0
388
1
question about Fibonacci
The Fibonacci sequence starts 1, 1, 2, 3, 5, 8, 13, ...
How many of the first 100 terms are divsible by 3?
●
Guest
Jul 11, 2020
0
334
0
inequality
Solve 3/10(t+2)-t/20>-3/5
Guest
Jul 11, 2020
+1
656
8
+479
Please Help
Suppose that f(x) and g(x) are functions on R such that the range of f is [-5,3], and the range of g is [-2,1]. The range of f(x) times g(x) is [a,b]. What is the largest possible value of b?
●
●
●
●
●
●
●
●
HelpBot
Jul 11, 2020
0
446
1
please help
Find y
●
Guest
Jul 11, 2020
+1
943
2
+65
PLZ HELP QUICKLY!!! NEED ANSWER ASAP!!!
What is the least number of colors needed to shade the tessellation shown, such that no two tiles sharing a side are the same color?
read more ..
●
●
nicthemathwiz
Jul 11, 2020
0
341
0
need someone smart for this
Octagon ABCDEFGH is inscribed in a unit circle. Find AB^2 + AC^2 + AD^2 + ... + AH^2.
Guest
Jul 11, 2020
0
396
1
perfect square
What is the smallest positive integer n such that 2550*n is a perfect square?
●
Guest
Jul 11, 2020
0
476
1
need help with a quick problem
If for all x other than 2 and -1, then what are A and B?
●
Guest
Jul 11, 2020
«
latest
9396
9395
..
6843
6842
6841
6840
6839
..
2
1
»
Post New Question
1 Online Users
Top Users
+118658
Melody
moderator
+37091
ElectricPavlov
+33653
Alan
moderator
+14985
asinus
moderator
+5265
rarinstraw1195
+3146
admin
administrator
+2653
LiIIiam0216
+2489
GingerAle
+1911
tomtom
+1837
NotThatSmart
+1758
bader
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.