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
230619 Questions
+1
422
1
+514
help pt 3
last one
●
mworkhard222
Jun 12, 2021
0
426
3
+514
hard pt 2
help
●
●
●
mworkhard222
Jun 12, 2021
0
343
3
+102
help please, geometry
A cylinder and a cone have the same height, but the base radius of the cylinder is only half that of the cone. If the volume of the cylinder is 1, then what is the volume of the cone
●
●
●
blahblah101
Jun 12, 2021
0
355
1
+13
A Probability Problem
When Mr and Mrs Clinton’s twin sons Ben and Bill had their tenth birthday. There were 6 kids at the party, including Ben and Bill. Ronald McDonald had made 3 hamburgers and 3 cheeseburgers and when he served the kids he started with the girl directly sitting
read more ..
●
yaseenmollik
Jun 12, 2021
0
362
2
+106
help meh
The graph of $y=ax^2+bx+c$ is shown below. Find abc. (The distance between the grid lines is one unit.)
●
●
QuestionableBean
Jun 12, 2021
0
324
1
Solving Exponential Equations
I'm not sure how to approach this problem. So far I thought about multiplying the 2 by the other 2. Some assistance would be appreciated.
2(x)^3-2n 2(1/x)^2n = 4(1/x)^n+3
●
Guest
Jun 12, 2021
0
338
2
Help algebra
Miles drives the same path to and from work. If he averages 50 miles per hour on the way to work and 75 miles per hour on the way from work, what is the average speed of his entire commute?
●
●
Guest
Jun 12, 2021
0
329
1
Coordinates
What is the area, in square units, of the square with the four vertices at A(0,0), B(-5,-7), C(2,12), and D(7,5)?
●
Guest
Jun 12, 2021
0
323
1
Base Numbers
A base-10 integer n can be represented $32_a$ as in one base and $13_b$ in another base, where a and b are any integer bases larger than 3. What is the smallest possible sum a+b?
●
Guest
Jun 12, 2021
0
352
1
Counting
How many 3-digit numbers contain exactly one 0? Examples include 510 and 770.
●
Guest
Jun 12, 2021
0
328
1
Help Number Theory
The sum of 1+2+3+4+5+6+7+8+9+10+11+12 is divisible by how many natural numbers between 1 and 10?
●
Guest
Jun 12, 2021
0
1140
4
halp ;-; im so confused
I've tried three answers and they were all wrong please help :/ (incorrect answers: 183, 80, 45^6) :((( TYSM
Let $A_1 A_2 A_3 \dotsb A_{10}$ be a regular polygon. A rotation centered at $A_1$ with an angle of $\alpha$
read more ..
●
●
●
●
Guest
Jun 12, 2021
0
337
1
Graphing
The graph of y = f(x) is shown in red below. For how many values of c is f(c) = -1?
read more ..
●
Guest
Jun 12, 2021
0
316
1
Coordinates
A and B are constants such that the graphs of xy = B and y = Ax^2 + B intersect at the points (2,8). Write the ordered pair (A,B).
ElectricPavlov
●
Guest
Jun 12, 2021
0
321
1
Coordinates
For every value of a, the graph of each of these three equations is a line:
ax + y = 1
x + ay = 1
x + y = 16
read more ..
●
Guest
Jun 12, 2021
0
397
5
Geometry
A parallelogram has sides measuring 7 and 9. Its shorter diagonal has a length of 8. Find the measure of the longer diagonal.
●
●
●
●
●
Guest
Jun 12, 2021
0
372
1
HeLP wiTh iMaGiNARY NuMBeRs, ROOts oF UniTY PLeAsE! ! ! ! ! ! ! !
a) Find all such that
You should write down all the solutions explicitly, but they don't need to be in either rectangular or exponential form.
b) Prove that all the solutions to the above equation have equal real parts,
read more ..
●
Guest
Jun 12, 2021
0
434
2
+514
hard
this has to do with permutations i think
●
●
mworkhard222
Jun 12, 2021
0
252
2
Domain
What is the smallest real number in the domain of the function g(x) = sqrt((x - 3)^2 - (x - 18)^2)?
●
●
Guest
Jun 12, 2021
0
298
2
Number Theory
What is the smallest positive integer n such that 1/n is equal to a decimal number with a 6-digit repeating block?
●
●
Guest
Jun 12, 2021
0
317
1
Algebra
Given 3x + 2/x - 4 = 2(x + 9) + 2x - (7 - 1/x) + 2/x, what is (x^2 + 1)/x?
●
Guest
Jun 12, 2021
0
308
1
PLEASE HELP ASAP
If , m+(1/m) = 8 then what is the value of m^2 + (1/m^2)+4 ?
amygdaleon305
●
Guest
Jun 12, 2021
0
294
1
Series
An infinite geometric series has common ratio 1/8 and sum 80. What is the first term of the series?
amygdaleon305
●
Guest
Jun 12, 2021
0
372
3
PLS HELP, ty :3
Is it possible to find two data sets A and B such that A has a greater median and mode, while B has a greater average and range? If you think the answer is yes, provide an example. If you think the answer is no, explain why not.
Alan
●
●
●
Guest
Jun 12, 2021
0
392
1
Algebra
Find the sum of the first six terms in the geometric sequence 1/2, 1/8, 1/16, .... Express your answer as a common fraction.
amygdaleon305
●
Guest
Jun 12, 2021
«
latest
9223
9222
..
7791
7790
7789
7788
7787
..
2
1
»
Post New Question
0 Online Users
Top Users
+128475
CPhill
moderator
+118609
Melody
moderator
+33616
Alan
moderator
+14915
asinus
moderator
+9519
MaxWong
+3144
admin
administrator
+2440
GingerAle
+1791
tomtom
+1484
bader
+1101
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.