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
All Questions
^{+0}
148893 Questions
0
84
1
+24
Area of square
The area of the square below represented by the expression 9x^2+24x+16. What is the value of a+b?
*For two sides of a square
read more ..
●
Shelly101
Feb 11, 2019
0
0
0
+24
Area of square
The area of the square below represented by the expression 9x^2+24x+16. What is the value of a+b?
*For two sides of a square
read more ..
Shelly101
Feb 11, 2019
0
61
1
+24
Subtracting
The profits od a company are found by subtracting the company's costs from its revenue. If a company's cost is mode by x^2-3x+400 and its revenue is modeled by 4x^2-7x-900, what is an expression for the profits?
●
Shelly101
Feb 11, 2019
0
70
1
+24
Addition
What should be added to 7x^3+4x^2-2 to get -4x^3-2x^2+6?
●
Shelly101
Feb 11, 2019
0
82
3
please help!
If f(x)=5x-12, find a value for x so that f^-1(x)=f(x+1).
After solving this, please show me how to solve other inverse function problems because I am very confused!!!
Thanks in advance
read more ..
●
●
●
Guest
Feb 11, 2019
0
72
1
The equation of a circle which has a center at $(-5,2)$ can be written as $Ax^2 + 2y^2 + Bx + Cy = 40.$ Find the radius of the circle.
The equation of a circle which has a center at (-5,2) can be written as Ax^2 + 2y^2 + Bx + Cy = 40. Find the radius of the circle.
●
Guest
Feb 11, 2019
0
56
1
how do you put the negative thing on the top right of a tangent?
how do you put the negative thing on the top right of a tangent?
off-topic
●
Guest
Feb 11, 2019
0
66
1
Let $(x,y)$ be an ordered pair of real numbers that satisfies the equation $x^2+y^2=14x+48y$. What is the minimum value of $x$?
Let (x,y) be an ordered pair of real numbers that satisfies the equation x^2+y^2=14x+48y. What is the minimum value of x?
●
Guest
Feb 11, 2019
0
50
1
solve Inx when x=e, x=1
solve Inx when x=e, x=1
●
Guest
Feb 11, 2019
0
58
0
+67
An ant moves on the following lattice, beginning at the dot labeled A.
An ant moves on the following lattice, beginning at the dot labeled A. Each minute he moves to one of the dots neighboring the dot he was at, choosing from among its neighbors at random. What is the probability that after 5 minutes he is at the dot
read more ..
alskdj
Feb 11, 2019
0
39
0
Autobiographical numbers
https://blog.tanyakhovanova.com/2007/12/autobiographical-numbers/ I saw this, and was wondering if there is a systematic way to find them?
Guest
Feb 11, 2019
0
49
1
LOGARITHMIC FUNCTIONS
log3^x=9
●
Guest
Feb 11, 2019
0
47
1
chemistry
Calculate the energy (in J) of a wave that has a frequency of 5.24 x 1033 Hz.
●
Guest
Feb 11, 2019
0
44
1
help
Suppose that is a four-digit integer with no digits equal to zero such that , , and are distinct integers that each divide into . Find the smallest possible value of .
●
Guest
Feb 11, 2019
+1
71
3
+285
Help me find my mistake
Alice, Bob, and Carol repeatedly take turns tossing a die. Alice begins; Bob always follows Alice; Carol always follows Bob, and Alice always follows Carol. Find the probability that Carol will be the first one to toss a six. (The probability of obtaining
read more ..
●
●
●
CalculatorUser
Feb 11, 2019
+1
62
2
help
How many whole numbers less than 18,632 are congruent to 23(mod 37)?
●
●
Guest
Feb 11, 2019
+1
60
2
please help
Suppose functions g and f have the properties that g(x)=3f^-1(x) and f(x)=24/(x+3). For what value of x does g(x)=15?
●
●
Guest
Feb 11, 2019
Feb 10, 2019
0
69
0
+87
Java Programming help.
https://web2.0calc.com/questions/programming
All questions i have are allready in the discussion
BLANK
Feb 10, 2019
0
58
1
help
find the common ratio of the infinite geometric series:
ElectricPavlov
●
Guest
Feb 10, 2019
0
40
0
help
Given that is a prime number, evaluate
Guest
Feb 10, 2019
0
68
4
help
The Lucas sequence is the sequence 1, 3, 4, 7, 11, where the first term is 1, the second term is 3 and each term after that is the sum of the previous two terms. What is the remainder when the 100th term of the sequence is divided by 8?
●
●
●
●
Guest
Feb 10, 2019
«
latest
5954
5953
..
5791
5790
5789
5788
5787
..
2
1
»
5 Online Users
Top Users
+100169
Melody
moderator
+99580
CPhill
moderator
+27664
Alan
moderator
+21978
heureka
+18049
ElectricPavlov
+10254
Omi67
moderator
+8142
asinus
moderator
+7477
MaxWong
+4809
Rom
+4684
NotSoSmart
+4094
tertre
Sticky Topics
!!!Welcome To Web2.0calc!!!
How to upload a picture.
If a question is ticked that does not mean you cannot continue it.
Latex Converter
New Privacy Policy, May 2018
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!
Number Puzzles
What is happening? Wrap #4
Great Questions to Learn From 2
Great Answers to Learn From
Reference Material
Information for new people.
how do i type in fractions?