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
230859 Questions
+1
846
2
+51
pls help me
10 people attend a party. During the party everyone shakes hands with everyone else. How many handshakes take place at the party?
●
●
blobfishesarecool
Sep 20, 2020
0
509
1
please help
I need to find angle j.
●
Guest
Sep 20, 2020
0
316
1
inverse proportion
The value of $y$ varies inversely as $\sqrt x$ and when $x=24$, $y=15$. What is $x$ when $y=3$?
●
Guest
Sep 20, 2020
0
676
2
+1438
PLEASE HELP!!
The line with equation y = mx + b is perpendicular to the line with equation y = 16 - x/3. The value of m is?
a) -3
read more ..
●
●
SmartMathMan
Sep 20, 2020
0
415
1
need help
Find the length EF.
●
Guest
Sep 20, 2020
0
588
1
algebra
A dairy needs 244 gallons of milk containing 7% butterfat. How many gallons each of milk containing 9% butterfat and milk containing 1% butterfat must be used to obtain the desired 244 gallons?
●
Guest
Sep 20, 2020
0
897
1
need help now
In 4 years, Harry’s age will be the same as Jim’s age is now. In 2 years, Jim will be twice as old as Harry will be. Find their ages now.
●
Guest
Sep 20, 2020
0
302
0
please help
Knowing that 6 < x < 7 and 10 < y < 12 find all possible values y−x
Guest
Sep 20, 2020
0
665
1
please help
Miss Minerva challenges her class to guess her secret positive integer. She gives them these clues:
1) The sum of the digits of this three-digit number is 14.
2) The tens digit is the cube of a prime number.
3) The units digit is one-fifth of the
read more ..
●
Guest
Sep 20, 2020
0
707
1
A two-digit integer AB equals 1/9 of AAB, where A and B represent distinct digits from 1 to 9. What is the smallest possible value of AAB
A two-digit integer AB equals 1/9 of AAB, where A and B represent distinct digits from 1 to 9. What is the smallest possible value of AAB?
●
Guest
Sep 20, 2020
0
1000
1
geometry question
C is the midpoint of AB, D is the midpoint of AC, E is the midpoint of AD, F is the midpoint of ED, G is the midpoint of EF, and H is the midpoint of DB. If DC = 16, what is GH?
I have the graph already, as shown in the pic (sorry
read more ..
●
Guest
Sep 20, 2020
0
474
1
please help!
If the total surface area of cone is 704cm^2 and radius of its base is 7cm ,find the volume of cone
●
Guest
Sep 20, 2020
0
532
1
TAREA
Una persona se desplaza 500 metros hacia el norte, posteriormente cambia de dirección y ahora se desplaza 800 metros hacia el este. Determine el desplazamiento resultante, así como el ángulo la inclinación de la
read more ..
●
Guest
Sep 20, 2020
0
291
0
help with proof
Prove that if x and y are real numbers such that x < y, then x < (x + y)/2 < y.
Guest
Sep 20, 2020
Sep 19, 2020
0
439
1
geometry question
Help me find the value of x!
●
Guest
Sep 19, 2020
0
411
1
help please
Find the value of x.
●
Guest
Sep 19, 2020
0
467
2
+11
help
The distance between the points (x, 21) and (4, 7) is 10√2. Find the sum of all possible values of x.
●
●
asadafa
Sep 19, 2020
0
736
1
+51
ALCUMUSSS
Marius is entering a wildlife photo contest, and wishes to arrange his seven snow leopards of different heights in a row. If the shortest two leopards have inferiority complexes and demand to be placed at the ends of the row, how many ways can he line up
read more ..
●
blobfishesarecool
Sep 19, 2020
0
467
1
+51
HELPPPPP MEEE
Determine the number of ways to arrange the letters of the word PROOF.
●
blobfishesarecool
Sep 19, 2020
+1
766
1
+51
PLS HELP
Five socks, colored blue, brown, black, red, and purple are in a drawer. In how many different ways can we choose three socks from the drawer if the order of the socks does not matter?
●
blobfishesarecool
Sep 19, 2020
0
312
1
word problem
Thomas has $6.35 in dimes and quarters. The number of dimes is three more than three times the number of quarters. How many coins of each type are there?
●
Guest
Sep 19, 2020
0
1298
1
If shown, AB and CD are straight lines. Find x in each case.
If shown, AB and CD are straight lines. Find x in each case.
●
Guest
Sep 19, 2020
0
441
1
geometry
Find angle ABC.
●
Guest
Sep 19, 2020
+1
445
4
parallel lines
Find the value of x.
●
●
●
●
Guest
Sep 19, 2020
0
368
1
word problem
a pharmacist wants to mix two solutions to obtain 350 cc of a solution that has a 14% concentration of a certain medicine. if one solution has a 17% concentration of the medicine and the second has a 7% concentration, how much of each solution should she
read more ..
●
Guest
Sep 19, 2020
«
latest
9233
9232
..
7015
7014
7013
7012
7011
..
2
1
»
Post New Question
4 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.