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
230581 Questions
0
407
1
word problem
Scott and Dale are at a baseball game. Each decides to buy some concessions. Scott buys 3 hotdogs and 2 sodas for the cost of $\$14.00$. Dale decides to purchase 4 hotdogs and 1 soda for $\$14.50$. How much does the stadium charge for its hotdogs and sodas
read more ..
●
Guest
Feb 5, 2021
0
495
2
help please
Amy is painting one wall in her dining room. The wall is 10 feet by 13 feet. A gallon of paint covers 60 square feet. The hardware store only sells paint by the gallon, meaning that partial gallons cannot be purchased.
read more ..
●
●
Guest
Feb 5, 2021
0
630
1
please help with geometry!
Trapezoid TRAP, with median MQ, is shown in the diagram below. Solve algebraically for x and y.
●
Guest
Feb 5, 2021
0
228
0
how do i solve this
Jeffrey padded his kayak at a constante miles up the mover and then back to his starting place. It took him 2 hours to padde upstream, but only 1hour 30 minutes to paddle back. What was the speed of the current?
Guest
Feb 5, 2021
0
371
1
please help!
One number is 5 more than another. The sum of thrice the small plus twice the larger is 50 What are the two numbers?
●
Guest
Feb 5, 2021
0
246
0
solve for a
\[\large a^3 - \frac 1{a^3} = 22\sqrt{2}\]
where \(a = \sqrt{b} + \sqrt{c}\) and \(a \in \mathbb{R}\). Find \(b + c\).
Guest
Feb 5, 2021
0
277
1
solve for x
\[\large 64^{4x} = 512^{3x+8}\]
FInd $x$.
●
Guest
Feb 5, 2021
0
289
1
Quadratics - Please help!
Any help is greatly appreciated.
●
Guest
Feb 5, 2021
-1
403
2
+193
Domain
There are three real numbers $x$ that are not in the domain of
$$f(x) = \frac{1}{1+\frac{1}{1+\frac 1x}}.$$
What is the sum of those three numbers?
●
●
clairepow
Feb 5, 2021
+1
421
3
+130
combine like terms question
Multiply and combine like terms: (2x+1/6)^2
●
●
●
mintjellyxd
Feb 5, 2021
+1
452
3
complex number
What is the value of $(1+i)^{2016} $?
●
●
●
Guest
Feb 5, 2021
+1
281
1
algebra
When going to the beach, Guilherme takes 2 hours on the road to go from his city to the beach and 3 hours to get back to his city. Knowing that Guilherme's car goes at 100 km/h when downhill, 80 km/h on plane surfaces and 60 km/h uphill, and that
read more ..
●
Guest
Feb 5, 2021
+1
362
2
can u help?
This triangle is divided into nine parallel stripes of equal height. The total area of the red stripes is 145.
What is the total area of the blue stripes?
read more ..
●
●
Guest
Feb 5, 2021
0
394
1
help please
I get really confused about angles!
●
Guest
Feb 5, 2021
-1
369
1
+328
Evergreen Elementary's clubs
Of the one hundred 5th-graders at Evergreen Elementary, 40 signed up for the Math Club, 30 signed up for the Science Club, and there were at least 5 known students who didn’t sign up for either clubs, and at least 10 students known to have signed up for
read more ..
●
Potatobird
Feb 5, 2021
0
390
1
help with alg question
If x + y = 1 and x^2 + y^2 = 2, then find x^3 + y^3.
●
Guest
Feb 5, 2021
+1
481
2
+79
Helpity help help
It is a beautiful day at the beach and ten beach volleyball players have shown up at the volleyball courts. Each two-person volleyball team should consist of a setter and a spiker. Five of the players prefer to be a spiker, four of the players prefer to
read more ..
●
●
Leafie
Feb 5, 2021
0
313
1
geo question
A unit square ABCD is divided as follows where AE=BE while DI is double of CI. Find the total areas of triangles AEL and CLI.
read more ..
●
Guest
Feb 5, 2021
0
438
1
really confused
In a box, there are red and blue pens in the ratio of \(4:3\). If I were to remove a red pen and two blue pens from the box, this ratio would become \(3:2\). How many red pens are there currently in the box?
●
Guest
Feb 5, 2021
+2
396
3
+30
Please help!
A standard six-sided die is rolled times. You are told that among the rolls, there was one two 's, and three 's. How many possible sequences of rolls could there have been? (For example, is one possible sequence.)
read more ..
●
●
●
QueenOfAllTrades
Feb 5, 2021
0
395
1
triangle
The measures of 3 angles of a triangle are given by 3x+1, 2x-3, and 9x. What is the measurement of the smallest angle? 13 degrees, 23 degrees, 29 degrees, or 40 degrees?
●
Guest
Feb 5, 2021
0
368
1
+195
2 probs. Help quick
A square tile, a regular hexagon tile, and a regular $n$-sided polygon tile share a common vertex. There are no gaps or overlaps between the tiles. What is $n?$
The exterior angles of a $k$-sided polygon form an arithmetic sequence.
read more ..
●
QuestionMachine
Feb 5, 2021
+2
551
3
+79
uhhhhh Has anyone else experienced this problem before?
So as I was answering Questions today I pressed ctrl-something and now everything on web 2.0 calc is vertical EVERYTHING. I don't like it so can anyone help?
(If they can)
I hope this will be on sticky topics so anyone that experiences
read more ..
●
●
●
AnswerMachine
Feb 5, 2021
0
858
1
pls help with coordinates
Find the coordinates of the intersection of the diagonals of DEFG with
vertices D(-2-3) E(0,4),F(-4,3), and G(-6,-4).
●
Guest
Feb 5, 2021
0
472
1
+179
Algebra help
Let be a complex number such that the distance from to 1 is twice the distance from to 1, while the distance from to 1 is four times the distance from to 1. Enter all possible values of , separated
read more ..
●
vockeyvockvock
Feb 5, 2021
«
latest
9222
9221
..
7343
7342
7341
7340
7339
..
2
1
»
Post New Question
5 Online Users
Top Users
+128473
CPhill
moderator
+118608
Melody
moderator
+33615
Alan
moderator
+14913
asinus
moderator
+9519
MaxWong
+3144
admin
administrator
+2440
GingerAle
+1791
tomtom
+1484
bader
+1085
parmen
+1032
kittykat
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.