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
234777 Questions
0
597
2
+87
Sum Math
Find the unique pair of real numbers satisfying .
●
●
Divineology
Nov 20, 2020
+1
506
1
+293
trigonometry
help
●
Cdortch
Nov 20, 2020
+1
609
1
+293
can anybody please help trigonometry?
help
●
Cdortch
Nov 20, 2020
+2
496
1
+293
help please
help me please
●
Cdortch
Nov 20, 2020
+2
474
1
+293
trigonometry help please
help
●
Cdortch
Nov 20, 2020
+2
594
4
+153
Can anyone help with this equation?
Consider the system of equations
\begin{align*}
5x + y &= 31, \\
-3x + 4y &= -37.
\end{align*}
read more ..
●
●
●
●
Thanks4helping
Nov 20, 2020
-1
407
0
In a class of 28 students, the teacher selects four people at random
In a class of 28 students, the teacher selects four people at random to participate in a geography contest. What is the probability that this group of four students includes at least one of the top three geography students in the class? Express your answer
read more ..
Guest
Nov 20, 2020
0
322
0
what is -3/12 to a degress sign
what is -3/12 to a degress sign
Guest
Nov 20, 2020
+1
533
2
+153
Factor problem any help would be appriciated!
Factor the following
read more ..
●
●
Thanks4helping
Nov 20, 2020
+2
509
1
+293
trig
help, please.
●
Cdortch
Nov 20, 2020
+1
364
0
+293
trig
help please.
Cdortch
Nov 20, 2020
+1
393
0
+293
trig
help
Cdortch
Nov 20, 2020
+1
438
2
+467
please help-math
What is the constant term of the expansion of
●
●
dududsu2
Nov 20, 2020
+2
1318
1
+293
Use an Addition or Subtraction Formula to simplify the equation.
Use an Addition or Subtraction Formula to simplify the equation.
cos(𝜃) cos(2𝜃) + sin(𝜃) sin(2𝜃) = 1/2
read more ..
●
Cdortch
Nov 20, 2020
+1
407
0
Use an Addition or Subtraction Formula to simplify the equation.
Use an Addition or Subtraction Formula to simplify the equation.
cos(𝜃) cos(2𝜃) + sin(𝜃) sin(2𝜃) = 1/2
read more ..
Guest
Nov 20, 2020
+1
427
0
trig
Solve the given equation. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to three decimal places where appropriate. If there is no solution, enter NO SOLUTION.)
cos(2𝜃) = 13 sin(𝜃) − 6
read more ..
Guest
Nov 20, 2020
+1
449
0
+293
trigonometry
Write the product as a sum.
sin(8x) cos(9x)
Cdortch
Nov 20, 2020
0
539
1
has anyone taken the 2nd practice mathcounts test on aops??
has anyone taken the 2nd practice mathcounts test on aops??
●
Guest
Nov 20, 2020
+1
828
1
Мера Шеннона-Основы теории информации. Какое количество информации (в битах) содержится в этом событии?
Девочка наугад вытаскивает из мешка мяч. Известно, что в мешке всего 8 мячей, из них: 4 красных, 2 синих, 1 зеленый и 1 белый. Какое количество информации (в битах) содержится в этом событии? При ответе с дробной частью использовать точку в качестве разделителя.
read more ..
●
Guest
Nov 20, 2020
0
304
0
hello speak polish XDD x 2 no2
hello speak polish XDD x2no2
Guest
Nov 20, 2020
+1
350
1
+5
Please help me!
b) Suppose a is directly proportional to b but inversely proportional to c . If when and , then what is 2 a = 2 b = 6 c = 9 c when b = 1 and a = 3 ?
●
hakimstarboy
Nov 20, 2020
0
452
2
Fractions/Decimals
If a person is selling the north half of the northwest quarter of an 880-acre piece of land, how many acres will be left?
●
●
Guest
Nov 20, 2020
0
424
1
Help pls
In how many ways can you arrange the letters of the name of the capital city of Florida while keeping the T as either the first or the last letter? (The name of the city is Tallahassee)
●
Guest
Nov 20, 2020
0
474
1
Suppose the point (1,2) is on the graph of y = f(x)/2.
Suppose the point (1,2) is on the graph of y = f(x)/2. Then there is one point which must be on the graph of f^{-1}(3x)/4. What is the sum of that point's coordinates?
●
Guest
Nov 20, 2020
«
latest
9390
9389
..
7149
7148
7147
7146
7145
..
2
1
»
Post New Question
1 Online Users
Top Users
+118653
Melody
moderator
+37084
ElectricPavlov
+33653
Alan
moderator
+14985
asinus
moderator
+5265
rarinstraw1195
+3146
admin
administrator
+2651
LiIIiam0216
+2489
GingerAle
+1887
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.