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
230867 Questions
0
516
3
please help
Complete the magic square.
●
●
●
Guest
Aug 5, 2020
+1
1736
5
HELP ASAP
A $\textit{palindrome}$ is a number which reads the same forward as backward, for example 313 or 1001. Ignoring the colon, how many different palindromes are possible on a 12-hour digital clock displaying only the hours and minutes? (Notice a zero may not
read more ..
●
●
●
●
●
Guest
Aug 5, 2020
0
495
1
Picewised Defined Function, Finding the inverse of f(x)
Let , find k(x) such that f is it's own inverse.
When So we want I'm not sure how to continue. Thank you in advance for your help.
●
Guest
Aug 5, 2020
0
459
2
please help
Find the length x.
●
●
Guest
Aug 5, 2020
-1
472
5
Please help me,(STill not answered)
Also, are the two equations equivalent or not?
Is it
A
B
C
D
?
●
●
●
●
●
Guest
Aug 5, 2020
0
452
2
pleez, i need help
How do you solve these problems? Show work.
●
●
Guest
Aug 5, 2020
0
471
1
help with geometry problem
Find angle x if m∠x=(197−5n)°, m∠y=(6n+22)°, and m∠z=(n+7)°
●
Guest
Aug 5, 2020
0
480
2
need help on this
Calculate how much 10% acid solution and how much pure acid must be mixed to end up with exactly 12 liters of 30% acid solution.
●
●
Guest
Aug 5, 2020
+1
597
3
+7
Please Help!
A mathematician works for t hours per day and solves p problems per hour, where t and p are positive integers and 1 < p < 20. One day, the mathematician drinks some coffee and discovers that he can now solve 3p+7 problems per hour. In fact, he
read more ..
●
●
●
Luya123
Aug 5, 2020
0
529
2
please help
The sums of which two pairs from the table will give you the same result? For example, A + B = C + D.
●
●
Guest
Aug 5, 2020
0
445
1
Is this function exponential?
I thought that because the x-value is the exponent, then this must be an exponential function. What I did is simplify by moving the denominator
read more ..
●
Guest
Aug 5, 2020
0
504
2
help with counting
How many 4-digit numbers are not divisible by 7?
●
●
Guest
Aug 5, 2020
0
619
3
+13
In the figure, triangles and are equilateral triangles.What is the value of when expressed in simplest radical
In the figure, triangles and are equilateral triangles.What is the value of when expressed in simplest radical form?-
read more ..
●
●
●
IntGeosc1
Aug 5, 2020
0
484
2
circle problem
Find angle x.
●
●
Guest
Aug 5, 2020
0
458
2
algebra question
How to mnimize the cost? I don't know.
●
●
Guest
Aug 5, 2020
0
1790
1
+14
functional equation
Suppose that $f(x)$ is a function such that $f(xy) + x = xf(y) + f(x)$ for all real numbers $x$ and $y$. If $f(-1) = 5$ then compute $f(-1001)$.
●
bepischrist
Aug 5, 2020
0
1496
2
please help
Jillian’s school is selling tickets for a play. The tickets cost $10.50 for adults and $3.75 for students. The ticket sales for opening night totaled $2071.50. If a total of 250 people attended, how many were adults and how many were students?
read more ..
●
●
Guest
Aug 5, 2020
0
501
3
help please
In triangle , we have , , and . What is ?
●
●
●
Guest
Aug 5, 2020
0
594
5
please help
Find angle BFG.
●
●
●
●
●
Guest
Aug 5, 2020
0
591
3
Please Help!
How many ways can you distribute 4 identical balls among 4 identical boxes?
I'm stuck on this one
●
●
●
Guest
Aug 5, 2020
+1
883
3
+126
please help!
Suppose p and q are inversely proportional. If p=25 when q= 6, find the value of p when q=15.
●
●
●
thedudethatneedshelp
Aug 5, 2020
+1
581
1
+333
help please
if
where a>b>0 and then find sin x in terms of a and b
●
polyyou
Aug 5, 2020
0
548
1
+4
Logic/Imagination question
Let a, b, c ,d, and e be positive integers. The sum of the four numbers on each of the five segments connecting "points" of the star is 28. What is the value of the sum a+b+c+d+e?
https://prnt.sc/tulf42
●
TheGreatSage
Aug 5, 2020
0
582
2
+981
Thanks for any and all help
Thanks for any and all help
●
●
qwertyzz
Aug 5, 2020
0
602
1
Suppose that α is inversely proportional to β. If α= -6 when β= 12, find α when β= -2.
Suppose that α is inversely proportional to β. If α= -6 when β= 12, find α when β= -2.
●
Guest
Aug 5, 2020
«
latest
9233
9232
..
6918
6917
6916
6915
6914
..
2
1
»
Post New Question
1 Online Users
Top Users
+128578
CPhill
moderator
+118608
Melody
moderator
+33616
Alan
moderator
+14925
asinus
moderator
+9589
MaxWong
+3144
admin
administrator
+2440
GingerAle
+1791
tomtom
+1679
wiseowl
+1588
bader
+1133
parmen
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.