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
237668 Questions
0
436
2
Find the sum
Find the sum of all 5-digit re-arrangement of the digits 1, 2, 3, 4, 5.
●
●
Guest
May 10, 2020
0
951
1
Maths
write the following using algebraic notation, using the letter x for any unknown numbers: i think of a number, multiply it by two, then subtract 9
●
Guest
May 10, 2020
0
588
2
+226
PLEASE HELP THANK YOU
Find the maximum value of when
●
●
littlemixfan
May 10, 2020
0
611
5
Can someone just do the diagram for this question please.
Consider two triangles Δ𝐴𝐵𝐶 and Δ𝐴𝐵𝐷 that have common side 𝐴𝐵, and the circumcentre, orthocentre and centroid of both triangles. Draw a line connecting the circumcentres, a line connecting the orthocentres and a line connecting the centroids. Which
read more ..
●
●
●
●
●
Guest
May 10, 2020
0
726
2
+226
PLEASE HELP ME THANKS!
Find the minimum value of the product , when and are positive real numbers.
●
●
littlemixfan
May 10, 2020
0
556
1
Math Questions
A character was pulled from the cards and the turntable was turned on. What's the probability that they're both moving characters?
●
Guest
May 10, 2020
0
877
4
اسئلة رياضيات
تم سحب حرف من البطاقات وتمت ادارة القرص الدوار. ما احتمال ان يكون كل منهما حرفا متحركا ؟
●
●
●
●
Guest
May 10, 2020
0
1153
2
David determines that . When he considers the graphical representation of these numbers, he knows he made an error. Clearly explain in compl
Please help
David determines that
. When he considers the graphical representation of these numbers, he knows he made an error.
read more ..
●
●
Guest
May 10, 2020
0
603
5
Solving this trigonometric equation?
I have to solve this equation within the domain 0 ≤ x < 2π : 3 cos x^2 = 2 cos x + 1
I graphed this on desmos as two separate functions. I got the solutions x = {0, 0.81, 2.16, 2.86, 3.27, 3.79, 4.15, 4.50, 4.90,
read more ..
●
●
●
●
●
Guest
May 10, 2020
0
554
2
please help
Find the largest positive integer n such that 12^n divides 1000!.
●
●
Guest
May 10, 2020
-1
716
0
+80
need help plzzzzz
Link is coloring a triforce, which consists of four equilateral triangles and is depicted below. He has three colors to use: gold, black, and green. So that it remains recognizable, he doesn't want to color any two triangles the same color if they share
read more ..
off-topic
Sarvajit
May 10, 2020
+10
1063
2
+773
help:(
1. In how many ways can the letters of the word BANANA be rearranged such that the new word does not begin with a B?
2. deleted by melody.
read more ..
●
●
whymenotsmart
May 10, 2020
-1
563
2
Help?
Define g by g(x)=5x-4. If and is the inverse of the function f(x)=ax+b, find 5a+5b.
I don't know how to do this.
●
●
Guest
May 10, 2020
+10
719
6
+773
help:(
1. How many different positive, five-digit integers can be formed using the digits 2, 2, 2, 9 and 9?
2. I roll a fair 6-sided die five times. How many sequences of rolls will give me three 2's, one 4, and one 6?
●
●
●
●
●
●
whymenotsmart
May 10, 2020
0
607
1
help
Compute
●
Guest
May 10, 2020
0
698
4
+537
Help Please!
Find the largest positive integer that divides every number of the form , where n is a positive integer.
●
●
●
●
MathCuber
May 10, 2020
0
595
4
please help
Each of three coins has been painted on its two sides. The first coin is red on one side and blue on the other. The second coin is blue on one side and green on the other. The third coin is green on one side and red on the other. If the three coins are
read more ..
●
●
●
●
Guest
May 10, 2020
+11
848
1
+773
help please:(
1. Determine the number of ways to arrange the letters in BEEPER.
2. A group of 12 people attend a meeting. Every pair of people shook hands with each other. How many handshakes were there?
3. Determine the number of ways to arrange the letters
read more ..
●
whymenotsmart
May 10, 2020
May 9, 2020
0
507
1
please help
Solve the inequality |x + 1| + |x - 1| > 3.
●
Guest
May 9, 2020
0
523
1
helpiy
Trapezoid PQRS has bases PQ and RS. The median MN meets the diagonals PR and QS at X and Y, respectively. If SR=20 and XY=7, find PQ.
●
Guest
May 9, 2020
0
1675
5
Help. Thanks.
A triangle has side lengths of $10,$ $24,$ and $26.$ Let $a$ be the area of the circumcircle. Let $b$ be the area of the incircle. Compute $a - b.$
●
●
●
●
●
Guest
May 9, 2020
«
latest
9505
9504
..
6617
6616
6615
6614
6613
..
2
1
»
Post New Question
2 Online Users
Top Users
+130540
CPhill
moderator
+33665
Alan
moderator
+15127
asinus
moderator
+2234
Bosco
+1808
blackpanther
+850
cooIcooIcooI17
+762
history
+448
HiylinLink
+267
CInsbstnkng
+114
ikleyn
+113
thatgirlaj
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.