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
367
0
Find the area of the quadrilateral formed with vertices at (1,2) (5,8) (8,6), (4,1)
Find the area of the quadrilateral formed with vertices at (1,2) (5,8) (8,6), (4,1)
Guest
Nov 21, 2020
0
435
1
In concave equilateral pentagon ABCDE
In concave equilateral pentagon ABCDE, angle A=angle B= 105 degrees. What is the degree measure of E?
●
Guest
Nov 21, 2020
0
644
1
Two real numbers are chosen at random between and What is the probability that the sum of their squares is no more than Express
Two real numbers are chosen at random between and What is the probability that the sum of their squares is no more than Express your answer as a common fraction in terms of π.
●
Guest
Nov 21, 2020
0
506
1
Let a, b, c, and d be positive integers. We know that... Find the maximum of...
Let $a$, $b$, $c$, and $d$ be positive integers. We know that
Find the maximum of $\dfrac ab + \dfrac bc + \dfrac cd + \dfrac da.$
●
Guest
Nov 21, 2020
0
298
0
help with geometry
Find the area of an equilateral triangle inscribed in a circle with a circumference of 18 Pi cm.
Guest
Nov 21, 2020
0
336
1
help please!
1.
Enter the letters of the points that satisfy the inequality -
read more ..
●
Guest
Nov 21, 2020
0
307
0
help please
A triangle with integer sides has perimeter 15. How many such non-congruent triangles are there? (A 3-4-5 triangle is considered congruent to a 3-5-4 triangle because we can reflect and rotate the triangles until they match up.)
Guest
Nov 21, 2020
0
455
1
geometry
A triangle has integer length sides. If two sides of the triangle are 11 and 19, how many possible lengths are there for the third side?
●
Guest
Nov 21, 2020
0
333
1
Please Help!
Consider the following statement: Let f be a function, such that for all a and b in the domain of f, f(a)=f(b) implies a=b. Then the function f has an inverse.
Is this statement true or false?
●
Guest
Nov 21, 2020
0
516
1
algebra
Let f(x)=x^2-6x+4 and let g(f(x))=2x+3. What is the sum of all possible values of g(8)?
●
Guest
Nov 21, 2020
0
565
3
+13
Geometry - Please help me out. Show steps please
Right triangle ABC has side lenghts AB = 3, BC = 4, and AC = 5. Square XYZW is inscribed in triangle ABC with X and Y on line AB, and Z on
line BC. What is the side length of the square
read more ..
●
●
●
xMysticalLegend
Nov 21, 2020
0
549
4
please help!!
1. There are two squares. The perimeter of the larger square is 24 cm longer than the perimeter of the smaller one, and the area of the larger square is 96 cm^2 more than the area of the smaller one. What is the perimeter of the smaller square in cm?
read more ..
●
●
●
●
Guest
Nov 21, 2020
0
883
6
Difficult Precalc Problem
If $z^2 + z + 1 = 0,$ find \[z^{49} + z^{50} + z^{51} + z^{52} + z^{53}.\]
●
●
●
●
●
●
Guest
Nov 21, 2020
+1
967
3
+1443
Please Help! I'm trying to solve a quadratic equation by factoring.
The length of a rectangle is 3 more than twice the width. If the area is 20 square feet, what is the width of the rectangle?
a) .4 feet
read more ..
●
●
●
SmartMathMan
Nov 21, 2020
0
426
1
probability
The faces of two regular dodecahedra are labeled with the numbers 1 to 12 in order to make dice. If these dice are rolled, what is the probability that the sum of the two top numbers is greater than 15?
●
Guest
Nov 21, 2020
0
440
1
graph
The equation y = (x + A)/(Bx + C), where A,B, and C are integers, is shown below. What is A + B + C?
●
Guest
Nov 21, 2020
0
354
1
help please
Each of five, standard, six-sided dice is rolled once. What is the probability that there is at least one pair among all five rolls? (In other words, what is the probability that at least two rolls are equal?)
●
Guest
Nov 21, 2020
Nov 20, 2020
0
354
1
Need help now!!!
What is 0.3 bar over 0.83 bar ? Express your answer as a common fraction in lowest terms.
●
Guest
Nov 20, 2020
0
3885
5
Which answer describes the transformation of g(x)=log2(x−2)+4 from the parent function f(x)=log2x ?
Which answer describes the transformation of g(x)=log2(x−2)+4 from the parent function f(x)=log2x ?
It is the graph of f(x) shifted 4 units left and 2 units down.
read more ..
●
●
●
●
●
Guest
Nov 20, 2020
0
541
1
Find the total number of four-digit palindromes
Find the total number of four-digit palindromes that are multiples of 7.
●
Guest
Nov 20, 2020
0
709
1
How many integers satisfy -4 ≤ 2x+1 ≤ 6?
How many integers satisfy -4 ≤ 2x+1 ≤ 6?
●
Guest
Nov 20, 2020
0
329
0
help
answer this pls
Guest
Nov 20, 2020
0
523
3
How do I move this function to the right
HI I need help, I dont know how to make a function like this but it need to be more to the right.
●
●
●
Guest
Nov 20, 2020
0
745
1
Point Q is the image of point P under a dilation with center O and scale factor 4.
Point Q is the image of point P under a dilation with center O and scale factor 4. If PQ = 28, then what is OP?
●
Guest
Nov 20, 2020
0
1203
1
help plzzzzz
The bike store marks up the wholesale cost of all of the bikes they sell by 30%. Andre wants to buy a bike that has a price tag of $125. What was the wholesale cost of this bike?
●
Guest
Nov 20, 2020
«
latest
9390
9389
..
7151
7150
7149
7148
7147
..
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.