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
236048 Questions
0
27
1
+1768
Algebra
Five times a number is divided by $7$ more than that number. If the result is $0,$ then what was the original number?
●
bader
Dec 15, 2023
0
22
1
+1768
Help inequality
My street hockey team plays three games each week. My team lost all $9$ games in the first three weeks. Then, my team won one game and lost two games in the fourth week, bringing our record to $1$ win and $11$ losses. Each week after that, my team
read more ..
●
bader
Dec 15, 2023
0
50
1
+1768
Inequality
All sacks of sugar have the same weight. All sacks of flour also have the same weight, but not necessarily the same as the weight of the sacks of sugar. Suppose that two sacks of sugar together with a sack of flour weigh no more than $10$ pounds,
read more ..
●
bader
Dec 15, 2023
-1
26
2
+1521
Counting
A baking club wants to form an executive committee. There are $20$ people in the baking club, including Mark. In how many ways can the baking club form an executive committee with $7$ people, not including Mark?
●
●
blackpanther
Dec 15, 2023
-1
61
0
+1521
Counting
A baking club wants to form an executive committee. There are $20$ people in the baking club, including Mark. In how many ways can the baking club form an executive committee with $7$ people, including Mark?
blackpanther
Dec 15, 2023
-1
31
0
+1521
Counting
A baking club wants to form an executive committee. There are $20$ people in the baking club, including Mark. In how many ways can the baking club form an executive committee with $7$ people?
blackpanther
Dec 15, 2023
-1
45
1
+1521
boxes
In how many ways can $4$ balls be placed in $5$ boxes if the balls are distinguishable, and the boxes are indistinguishable?
●
blackpanther
Dec 15, 2023
-1
40
1
+1521
boxes
In how many ways can $4$ balls be placed in $5$ boxes if the balls are indistinguishable, and the boxes are distinguishable?
●
blackpanther
Dec 15, 2023
-1
25
1
+1521
boxes
In how many ways can $4$ balls be placed in $5$ boxes if neither the balls nor the boxes are distinguishable?
●
blackpanther
Dec 15, 2023
-1
32
1
+1521
boxes
In how many ways can $4$ balls be placed in $5$ boxes if the balls and boxes are both distinguishable?
●
blackpanther
Dec 15, 2023
-1
46
1
+1521
help plz
I run a book club with $n$ people, not including myself. Every day, for $400$ days, I invite $2$ members in the club to review a book. What is the smallest positive integer $n$ so that I can avoid ever having the exact same group of $2$
read more ..
●
blackpanther
Dec 15, 2023
0
28
2
+1911
Counting question
In the array below, in how many different ways can we start with the letter A and move from letter to letter (horizontally, vertically, or diagonally), to spell the word "ARCH"?
●
●
tomtom
Dec 15, 2023
Dec 14, 2023
0
52
1
+743
Rates
A plane flies from Penthaven to Jackson and then back to Penthaven. When there is no wind, the round trip takes $2$ hours and $40$ minutes, but when there is a wind blowing from Penthaven to Jackson at $50$ miles per hour, the trip takes $3$ hours
read more ..
●
bingboy
Dec 14, 2023
0
37
0
+743
Proportion
In physics, Ohm's law says that current through a wire, $I$, is directly proportional to voltage, $V$, and inversely proportional to resistance, $R$:
I = V/R
It's also true that resistance is directly proportional to the length of the wire.
read more ..
bingboy
Dec 14, 2023
0
28
1
+743
Proportion
All members of our painting team paint at the same rate. If $10$ members can paint a $1000$ square foot wall in $10$ minutes, then how long would it take for $5$ members to paint a $1000$ square foot wall, in minutes?
●
bingboy
Dec 14, 2023
0
26
2
+743
Proportion
All members of our painting team paint at the same rate. If $10$ members can paint a $100$ square foot wall in $10$ minutes, then how long would it take the $15$ members to paint a $100$ square foot wall, in minutes?
●
●
bingboy
Dec 14, 2023
«
latest
9440
9439
..
9069
9068
9067
9066
9065
..
2
1
»
Post New Question
1 Online Users
Top Users
+129899
CPhill
moderator
+37153
ElectricPavlov
+33661
Alan
moderator
+15000
asinus
moderator
+2511
GingerAle
+2499
Solveit
+1938
NotThatSmart
+1557
parmen
+1521
blackpanther
+1455
kittykat
+1310
learnmgcat
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.