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
506
1
Pls help
How many distinguishable ways can the faces of a regular hexagonal prism be painted 8 different colors (one color per face, no color used twice)?
Thx
●
Guest
Jan 21, 2021
0
268
0
quadratics
There exist constants a, h, and k such that 3x^2 + 21x + 4 = a(x - h)^2 + k
for all real numbers x. Enter the ordered triple (a,h,k)
Guest
Jan 21, 2021
-1
645
1
+216
Number theory help please
A palindrome is a number that reads the same forward as backward. If a three-digit palindrome is randomly chosen, what is the probability that it is a multiple of 3?
●
Jmaster10
Jan 21, 2021
0
260
0
counting
In a group of 200 students, 20 played cricket only, 36 played tennis only, 40 played hockey only, 8 played cricket and tennis, 20 played cricket and hockey, 28 played hockey and tennis and 80 played hockey.
Find
read more ..
Guest
Jan 21, 2021
+1
542
2
+69
Three circles inside of a triangle- geometry
Three circles are drawn, so that each circle is externally tangent to the other two circles. Each circle has a radius of 2. A triangle is then constructed, such that each side of the triangle is tangent to two circles, as shown below. Find the perimeter
read more ..
●
●
ddocm
Jan 21, 2021
0
548
2
+69
Trapezoid proof problem
Quadrilateral ABCD is an isosceles trapezoid, with bases AB and CD. A circle is inscribed in the trapezoid, as shown below. (In other words, the circle is tangent to all the sides of the trapezoid.) The length of base AB is 2x and the length of
read more ..
●
●
ddocm
Jan 21, 2021
0
359
0
four pointed star
A regular four pointed star is inscribed in circle of radius 4. Find the area of this regular four pointed star.
read more ..
Guest
Jan 21, 2021
0
439
3
Help me please
In triangle and Find
●
●
●
Guest
Jan 21, 2021
0
292
0
algebra
Suppose f and g are polynomials, and that h(x)=f(g(x))+g(x). Find the degree of g(x) given that the degree of h(x) is 8 and the degree of f(x) is 4.
Guest
Jan 21, 2021
0
388
2
right triangle probability
Dakota randomly selected three different integers 1 through 6 What is the probability that the three numbers selected could be the sides of a right triangle?
●
●
Guest
Jan 21, 2021
0
375
1
help with geometry
Triangle ABC has side lengths AB = 6, BC = 10, CA = 8.
If D is the midpoint of BC and angle ADE = 90 degrees, what is the area of triangle ADE?
read more ..
●
Guest
Jan 21, 2021
-1
548
4
-11
need help with a question
Two side lengths of a triangle are 11 and 17. What is the longest possible integer length of the third side of the triangle?
Dont know where to start
●
●
●
●
jeffthememeguy
Jan 21, 2021
0
410
2
system
\[\begin{align}
x+x+y&=14\\
L+L+z&=20\\
x+y+z&=12\\
x+z+L&=18 <#> \end{align}\]
If numbers $x,y,z,L$ satisfy the equations above, find the value of $x+z$.
●
●
Guest
Jan 21, 2021
0
437
1
What is the equation for the midline
𝑓(𝑥)=−1.5𝑐𝑜𝑠(2𝑥−𝜋/ 3)+0.5.
●
Guest
Jan 21, 2021
0
283
0
Am I right? Also what is the equation of the secant function?
Question:
The range of a secant function is(−∞,−11]∪[5,∞). The equations of two consecutive asymptotes of the function are 𝑥=−𝜋and 𝑥=𝜋. The function is a reflection over the x-axis. Use 𝑓(𝑥)=𝑎 𝑠𝑒𝑐(𝑘𝑥)+ℎ
What is
read more ..
Guest
Jan 21, 2021
0
527
3
help math
-4x - 21 = -1 ----- m/3 + 12 = 18 ----- -2(6z - 5) = 58 ----- 4a - 7 + 3a + 2 = 30
●
●
●
Guest
Jan 21, 2021
0
377
0
+296
Graph
Graph the function f(x)=cot(x-π/6).
graph at least one full period of the function.
lovesosa12
Jan 21, 2021
0
467
5
Math
Joe owed Mike $49. On Friday, Joe paid Mike $23 . How much does Joe owe Mike now?
●
●
●
●
●
Guest
Jan 21, 2021
0
411
1
question on angles
The interior angles of a convex polygon are in an arithmetic progression. If the smallest angle is $100^{\circ}$ and common difference is $4^{\circ}$, then find the number of sides.
●
Guest
Jan 21, 2021
0
1145
1
algebra
The passenger train leaves the train depot 2 hours after a freight train left the same depot. The freight train is traveling 20 mph slower than the passenger train. Find the rate of passenger train, if the passenger train overtakes the freight train in
read more ..
●
Guest
Jan 21, 2021
0
638
0
helppp algebra trig
Over a 24-hour period, the temperature in a town can be modeled by one period of a sinusoidal function. The temperature measures 70°F in the morning, rises to a high of 80°F, falls to a low of 60°F, and then rises to 70°F by the next morning.
read more ..
Guest
Jan 21, 2021
0
455
2
please help
Consider a square ABCD with side length 2. Let E be the midpoint of AB, F the midpoint of BC, and P and Q the points at which line segment AF intersects DE and DB, respectively.
read more ..
●
●
Guest
Jan 21, 2021
0
473
8
help with absolute value
Solve the equation $\left| { x }^{ 2 }+4x+3 \right| = -\left( 2x+5 \right)$.
IWantToHelp
●
●
●
●
●
●
●
●
Guest
Jan 21, 2021
0
573
4
PLS HELP fill in the blanks
Kevin and his five friends went for dinner. They paid $78 for 6 pizzas and $18 for 6 ice creams. Complete the sentences below by entering your answers in the boxes.
The cost of each pizza is $ ,
read more ..
●
●
●
●
Guest
Jan 21, 2021
0
463
2
help plz
Three circle with radii 3, 2, 1 touch each other making a gap in the middle, find the area of that gap.
●
●
Guest
Jan 21, 2021
«
latest
9390
9389
..
7289
7288
7287
7286
7285
..
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.