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}
231632 Questions
0
168
0
Applied Physics
A certain piston-cylinder contains a 67500 g of air at 2525 kPa initially at 100 0C. The air is now expanded isothermally to a pressure of 1008 kPa. Calculate the boundary work done in this process.
Guest
Mar 25, 2022
0
269
1
Finance and growth
if you have 2,250,000.00 saved for your retirement and want it to last for 40 years and will earn 12% compounded monthly. What is the amount of monthly distribution
●
Guest
Mar 25, 2022
+1
430
3
+505
Kinda stuck on this question
A certain game is won when one player gets 3 points ahead. Two players A and B are playing the game and at a particular point, A is 1 point ahead. Each player has an equal probability of winning each point. What is the probability that A wins the game?
read more ..
●
●
●
textot
Mar 25, 2022
0
280
4
Prime factors
Are there any numbers having 4 factors only from 30 to 140?
●
●
●
●
Guest
Mar 25, 2022
0
284
1
is this arithmetic, or am i grinding my brain more than necessary
Determine if the sequence is arithmetic.
read more ..
●
Guest
Mar 25, 2022
0
334
2
+40
Help! I... don't know what this means. Drew diagram, can't see how it helps though :(
In triangle , , , , and is an angle bisector. Find the ratio of the area of triangle to the area of triangle . (Express your answer as a fraction in lowest terms.)
~ PikachuLovesKetchup
read more ..
●
●
PikachuLovesKetchup
Mar 25, 2022
0
234
1
Vectors problem
Consider points O, A, B, C, D and R in the diagram below, such that AR = 4, BR = 2, CR = 2, and DR = 6:
read more ..
●
Guest
Mar 25, 2022
Mar 24, 2022
0
211
3
3431 prime factorization
I'm GP-72022a, Is it prime or not?
●
●
●
Guest
Mar 24, 2022
-1
275
1
need some help
sLet be a point inside square such that , , and . Find in degrees.
Picture here: https://rb.gy/xzupss
●
Guest
Mar 24, 2022
0
303
2
compound interest
Brian invests £4000 into his bank account. He receives 7% per year compound interest. How many years will it take for Brian to have more than £8000?
●
●
Guest
Mar 24, 2022
0
205
0
DNA Mutations Practice Worksheet
i need help
Guest
Mar 24, 2022
0
261
1
help
How many real numbers are not in the domain of the function
$$f(x) = \frac{1}{x-64} + \frac{1}{x^2-64} + \frac{1}{x^3-64}~?$$
●
Guest
Mar 24, 2022
+2
357
2
+70
CPhill I need you! Please!
Given that the point (9,7) is on the graph of y=f(x), there is one point that must be on the graph of . What is the sum of coordinates of that point?
●
●
ItsFree
Mar 24, 2022
0
869
2
The sum
The sum of the measures of the angles of a triangle is 180. The sum of the measures of the second and third angles is four times the measure of the first angle. The third angle is 12 more than the second. Let x, y, and z represent
read more ..
●
●
Guest
Mar 24, 2022
0
330
2
Hello! I'm having some troubles with this problem
Find a linear inequality with the following solution set. Each grid line represents one unit. [asy] size(200); fill((-5,3)--(3,-5)--(-5,-5)--cycle,yellow); real ticklen=3; real tickspace=2; real ticklength=0.1cm; real axisarrowsize=0.14cm; pen axispen=black+1.3bp;
read more ..
●
●
Guest
Mar 24, 2022
0
273
2
helpp
20mn-15m
●
●
Guest
Mar 24, 2022
0
231
3
Do all the moderators get paid?
or why are you answering all day in this virgin plattform
●
●
●
Guest
Mar 24, 2022
0
281
1
Algebra
What is the largest number c such that has at least one real solution?
●
Guest
Mar 24, 2022
0
281
2
+237
Help PLEASE
The number of boys is 1 3/5 as many as the number of girls.
(a) Number of boys
(b) Number of girls
(c) Total number of children
read more ..
●
●
Slimesewer
Mar 24, 2022
-1
287
3
+5
something for positional calculations
Let $\overline T$ be a line crossing the point $P.$ Let $P'$ be some other point on the 2d plane. Find the equation for the circle that passes through $P, P',$ and is tangent to $\overline T.$
Or just find $\Delta \theta.$ I need this for robotics
read more ..
●
●
●
KingCuddles314
Mar 24, 2022
0
219
1
Prime factorization of 5041
Step by step!
●
Guest
Mar 24, 2022
0
184
2
Prime factorization of 493
Step by step
●
●
Guest
Mar 24, 2022
Mar 23, 2022
0
338
3
what is 1+1*8/69
1+1*8/69
●
●
●
Guest
Mar 23, 2022
0
298
1
+237
Help asap.
A triangular prism is 14.3 feet long. It has a triangular face with a base of 7.8 feet. The volume of the prism is 786.357 cubic feet. What is the height of its triangular face?
●
Slimesewer
Mar 23, 2022
0
315
1
solve for y 3x+8y=24
solve for y 3x+8y=24
●
Guest
Mar 23, 2022
«
latest
9264
9263
..
8271
8270
8269
8268
8267
..
2
1
»
Post New Question
5 Online Users
Top Users
+128826
CPhill
moderator
+118623
Melody
moderator
+33616
Alan
moderator
+14952
asinus
moderator
+9664
MaxWong
+3144
admin
administrator
+2440
GingerAle
+1618
bader
+1351
LiIIiam0216
+1211
parmen
+1121
Akhain1
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.