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
234773 Questions
0
353
1
Answer ut
https://web2.0calc.com/questions/mathematics_65
●
Guest
Jun 22, 2021
0
417
3
algebra
If z is a complex number satisfying z + 1/z =1, calculate z^12+ 1/z^12.
●
●
●
Guest
Jun 22, 2021
0
353
1
Isosceles triangle
Two angles of an isosceles triangle are 65 degrees and x degrees. What are all the possible values of x degrees?
●
Guest
Jun 22, 2021
+1
625
2
+81
Umm...
Mr. Stewart's math class has 16 boys, and 22 of his students bring their calculators to class. If 13 of the students who brought calculators are girls, then how many boys didn't bring their calculators to class?
Please fast answer!
read more ..
textot
●
●
IMAGODLYNOOB
Jun 22, 2021
0
489
1
+23
Help!! algebra
For $y=\frac{x-4}{5x-10}$ and $x\neq 2$, what is the value of $y$ that is not attainable? Express your answer as a common fraction.
●
ryan1207
Jun 22, 2021
0
545
2
Math
Carla buys 4kg of apples for $10. How much will Ahmed pay for 14kg of apples at the same shop?
●
●
Guest
Jun 22, 2021
0
387
1
help coordinates
Two lines pass through the point (–6, 7) and each is a distance of 2 from the origin at their closest to the origin. What is the sum of the slopes of these lines?
●
Guest
Jun 22, 2021
0
394
1
algebra
If z is twice x, what is 5x + 10 + z -10 in terms of x?
●
Guest
Jun 22, 2021
0
258
1
help geometry
Let ABCD be a square. Three parallel lines x,y, and z pass through A, B and C respectively. The distance between x and y is 4 and the distance between y and z is 5. Find the area of the square.
●
Guest
Jun 22, 2021
0
417
2
Urgent Answer Quick!!
Given positive integers and such that and , what is the smallest possible value for ?
●
●
Guest
Jun 22, 2021
0
488
2
+80
More fraction problems
George had some cards at first. He gave 1/5 of his cards to his brother and 1/4 of the remainder to his neighbor. After that, George bought 77 cards and had a total of 233 cards in the end. How many cards did George have at first?
●
●
DoctorOcopisMonOct
Jun 22, 2021
0
453
4
+80
Fraction Problem
Cayden and Jayden had a total of $784. After Cayden spent 1/6 of his money on food and Jayden spent $124 on toys, they had the same amount left. How much money did Cayden have at first?
●
●
●
●
DoctorOcopisMonOct
Jun 22, 2021
0
480
1
+80
Not my homework
Thor and Hulk punched each other multiple times in the Contest of Champions battle. 3/4 of Thor's punches were equal to 2/3 of Hulk's punches. Both of them punched a total of 408 times. How many times did Thor punch the Hulk?
●
DoctorOcopisMonOct
Jun 22, 2021
0
436
1
+80
Math Challenge
Roy wanted to get some pens and pencils. He went to a stationery shop that only sells them in boxes. A box of 7 pencils cost $2.50 while a box of 5 pens costs $3.20. Roy wants to buy 19 pencils and 3 pens. What is the least amount of money that he needs
read more ..
●
DoctorOcopisMonOct
Jun 22, 2021
0
354
1
Functions
Given that f(x) = x^{2}-2x+5 and g(x) =x-18, what is the value of f(g(5)) -g(f(5))?
●
Guest
Jun 22, 2021
0
446
1
My third side or angle
The length of the two sides of a triangle are given. Write an inequality to represent the range of the third side xx.
8 in, 9 in
●
Guest
Jun 22, 2021
0
385
2
geometry question
Two circles have the same center C. (Circles which have the same center are called concentric.) The larger circle has radius 10 and the smaller circle has radius 8. Determine the area of the ring between these two circles.
●
●
Guest
Jun 22, 2021
0
415
1
help pls cphill
In right triangle $DEF$, we have $\angle D = 25^\circ$, $\angle E = 90^\circ$, and $EF = 9$. Find $DE$ to the nearest tenth. You may use a calculator for this problem.
●
Guest
Jun 22, 2021
Jun 21, 2021
0
826
1
HELPPPPP
The median of $20, x, 15, 30, 25$ is $0.4$ less than the mean. If $x$ is a whole number, what is the sum of all possible values of $x$?
●
Guest
Jun 21, 2021
0
379
1
Counting
How many non-congruent triangles have vertices at three of the eight points in the figure?
●
Guest
Jun 21, 2021
0
484
3
A question that I'm stuck on, help ASAP
Simplify . Express your answer as a complex number in the form , where and are real numbers.
I am stuck on this question, please help!
Thanks!
read more ..
●
●
●
Guest
Jun 21, 2021
-1
505
3
+515
Numbers 2
pt 2
●
●
●
mworkhard222
Jun 21, 2021
0
427
3
Probability
Four standard six-sided dice are rolled. What is the probability that the product of the numbers on the top faces of all four dice is 24? Express your answer as a common fraction.
●
●
●
Guest
Jun 21, 2021
+1
421
4
+515
Numbers
tysm
●
●
●
●
mworkhard222
Jun 21, 2021
«
latest
9389
9388
..
7820
7819
7818
7817
7816
..
2
1
»
Post New Question
1 Online Users
Top Users
+118651
Melody
moderator
+37084
ElectricPavlov
+33653
Alan
moderator
+14985
asinus
moderator
+5265
rarinstraw1195
+3146
admin
administrator
+2973
TitaniumRome
+2651
LiIIiam0216
+2489
GingerAle
+1887
tomtom
+1832
NotThatSmart
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.