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
234783 Questions
0
632
2
help
Keenan and Chad are both selling cookie dough for a fundraiser. Although Keenan has already sold 8 tubs, Chad hasn't sold any yet. If Keenan starts selling 1 tub per day and Chad begins selling 5 tubs per day, they will eventually sell the same amount of
read more ..
●
●
Guest
Apr 1, 2020
0
904
5
plz help
In how many ways can a team of 20 hockey players be accommodated in 10 two-person hotel rooms? Assume that the order of assigning the rooms does not matter.
●
●
●
●
●
Guest
Apr 1, 2020
+1
655
11
+343
Help! Another tricky question.
Ms Math's kindergarten class has 16 registered students. The classroom has a very large number, N, of play blocks which satisfies the conditions: (a) If 16, 15, 14 students are present in the class, then in each case all the blocks can be distributed in
read more ..
●
●
●
●
●
●
●
●
●
●
●
nchang
Apr 1, 2020
+1
602
7
+343
Help! I really don't know where to start.
The positive integers and both end in the same sequence of four digits when written in base 10, where digit a is not zero. Find the three-digit number .
●
●
●
●
●
●
●
nchang
Apr 1, 2020
0
872
1
+148
What are the solutions to the equation on [0,2π) ?
What are the solutions to the equation on [0,2π) ?
csc(3x)=−2√3/3
●
imbadatmath12
Apr 1, 2020
0
1291
1
+148
Solve the equation on the interval [0,2π) .
Solve the equation on the interval [0,2π) .
−9cosx=4
Select all correct solutions.
approximately 1.111
read more ..
●
imbadatmath12
Apr 1, 2020
0
1662
1
Solve the equation on the interval [0,2π) .
Solve the equation on the interval [0,2π) .
6sin^2x+3sinx=0
Select all correct solutions.
read more ..
●
Guest
Apr 1, 2020
0
529
1
What are the solutions to the equation on [0,2π) ?
What are the solutions to the equation on [0,2π) ?
sec(3x)=−2√3/3
●
Guest
Apr 1, 2020
0
504
1
What is the general solution to the equation?
What is the general solution to the equation?
√2tanθ=2sinθtanθ
●
Guest
Apr 1, 2020
0
371
1
help
There are 3 complex numbers a+bi, c+di, and e+fi. If b=1, e=-a-c, and the sum of the numbers is -i, find d+f
●
Guest
Apr 1, 2020
-1
615
8
+41
Geometry/Probability Problem
In triangle , we have , , and .
Let be a point chosen uniformly at random inside . Extend ray to hit side at . What is the probability that ?
Thank you!!!
read more ..
●
●
●
●
●
●
●
●
MathsAreFun
Apr 1, 2020
0
701
1
geometry
The base of a triangle is 4 meters longer than the height of the triangle. If the area of the triangle is 70 square meters, what are the base and height of the triangle?
AnExtremelyLongName
●
Guest
Apr 1, 2020
0
619
3
express in rectangular form
expressin rectangular form
AnExtremelyLongName
●
●
●
Guest
Apr 1, 2020
0
308
0
help
A small town is holding a charity event where 55% of attendees are female and 45% are male. All attendees put their name in a raffle and ten names will be drawn to win a prize. Assume that these names are drawn randomly with replacement. What is the probability
read more ..
Guest
Apr 1, 2020
0
499
1
+87
https://web2.0calc.com/questions/a-deck-of-cards
https://web2.0calc.com/questions/a-deck-of-cards
Please help i am rally stuck with this one
●
Coolio
Apr 1, 2020
0
660
15
+202
Traffic is slow rn, so I'll ask a question myself.
Let's say we have . What will be the variable of the term with coefficient ?
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
Impasta
Apr 1, 2020
-2
622
6
+288
Weird Question
Let , and let be the roots of
Compute
-----Thanks!
read more ..
●
●
●
●
●
●
madyl
Apr 1, 2020
0
1516
1
+4
geometry
Select the correct answer.
If quadrilateral ABCD rotates 90° counterclockwise about the origin, what are the coordinates of A′ in quadrilateral A′B′C′D′ ?
read more ..
●
abby21
Apr 1, 2020
+3
581
2
+287
Help Please (Math)
Please help me with math.
●
●
Mathisgood
Apr 1, 2020
0
711
1
help please
Charlie paid $660 for six shirts and four belts. One shirt costs three times as much as one belt. If Sam bought five such shirts and two such belts, how much would he have to pay?
●
Guest
Apr 1, 2020
-2
783
3
+87
A deck of cards
You take the four Aces, four 2's, and four 3's from a standard deck of 52 cards, forming a set of 12 cards. You then deal all 12 cards at random to four players, so that each player gets three cards. What is the probability that each player gets an Ace,
read more ..
●
●
●
Coolio
Apr 1, 2020
+2
625
8
+287
No Help Needed
Please Help
●
●
●
●
●
●
●
●
Mathisgood
Apr 1, 2020
+1
525
2
+343
Please Help Anyone! I appreciate it! :)
Consider the set of all points in the coordinate plane for which one of the coordinates is exactly negative three times the other or positive three times the other. If we were to plot all such points, into how many regions would the resulting
read more ..
●
●
nchang
Apr 1, 2020
0
798
19
+8
Help with math
Your goal is to create a college fund for your child. Suppose you find a fund that offers an APR of 4 %. How much should you deposit monthly to accumulate $80,000 in 12 years?
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
Johnthemayor
Apr 1, 2020
-2
603
7
+202
Suggestion for forum
Since this site attracts a lot of AoPS users (including me), there should be a place dedicated to discussion of AoPS problems.
off-topic
●
●
●
●
●
●
●
Impasta
Apr 1, 2020
«
latest
9390
9389
..
6445
6444
6443
6442
6441
..
2
1
»
Post New Question
3 Online Users
Top Users
+118653
Melody
moderator
+37084
ElectricPavlov
+33653
Alan
moderator
+14985
asinus
moderator
+5265
rarinstraw1195
+3146
admin
administrator
+2651
LiIIiam0216
+2489
GingerAle
+1891
tomtom
+1832
NotThatSmart
+1758
bader
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.