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
236050 Questions
0
40
0
+1557
Function
If is a function f(x)whose domain is[-8,8] , and g(x)=f(x)/2 , then the domain of g(x) is an interval of what width?
parmen
Jan 12, 2024
+1
23
1
+290
Trig Problem
Simon bought a new shop and wants to order a new sign for the roof of the building. From point P, he finds the angle of elevation of the roof, from ground level, to be 31º and the angle of elevation of the top of the sign to be 42º. If point P is
read more ..
●
DS2011
Jan 12, 2024
+1
35
2
+19
Any help is appreciated :)
Let x and y be nonnegative real numbers. If x y=2/5, then find the minimum value of 6x+(3/5)y. Any help is greatly appreciated! Thanks :)
●
●
breadysetgo
Jan 12, 2024
0
48
1
+346
Function
Let $A(t) = 3 - 5t^3 \cdot 4 \cdot 2^t$. Find $A(2) - A(1)$.
DS2011
●
nathanl6656
Jan 12, 2024
0
34
1
+346
Domain
Let
\[f(x) = \frac{2x + 3}{x^2 + 7}.\]
Find the domain of $f$. Give your answer using interval notation.
●
nathanl6656
Jan 12, 2024
0
47
2
+1768
Graphing
Which graph represents the solution set
●
●
bader
Jan 12, 2024
0
33
1
+1768
Interval
Which graph is the solution set?
●
bader
Jan 12, 2024
0
43
1
+1678
Rectangle
Points $A$ and $B$ are on side $\overline{YZ}$ of rectangle $WXYZ$ such that $\overline{WA}$ and $\overline{WB}$ trisect $\angle ZWX$. If $WX = 2$ and $XY = 3$, then what is the area of rectangle $WXYZ$?
DS2011
●
wiseowl
Jan 12, 2024
-1
45
0
+1678
Rectangle
In rectangle $WXYZ$, $A$ is on side $\overline{WX}$, $B$ is on side $\overline{YZ}$, and $C$ is on side $\overline{XY}$. If $AX = 15$, $BY = 20$, $\angle ACB= 60^\circ$, and $CY = 3 \cdot CX$, then find $AB$.
wiseowl
Jan 12, 2024
0
26
1
+1678
Medians of a triangle
In right triangle $ABC,$ $\angle C = 90^\circ$. Median $\overline{AM}$ has a length of 1, and median $\overline{BN}$ has a length of 1. What is the length of the hypotenuse of the triangle?
●
wiseowl
Jan 12, 2024
0
40
1
+1678
help with triangle
Plz help Im stuck
In triangle $PQR,$ $M$ is the midpoint of $\overline{QR}.$ Find $PM.$
PQ = 5, PR = 8, QR = 11
●
wiseowl
Jan 12, 2024
0
34
0
+1348
Triangle
In triangle $ABC$, points $D$ and $F$ are on $\overline{AB},$ and $E$ is on $\overline{AC}$ such that $\overline{DE}\parallel \overline{BC}$ and $\overline{EF}\parallel \overline{CD}$. If $CE =3$ and $DF = 3$, then what is $BD$?
sandwich
Jan 12, 2024
0
26
1
+1348
Quadrilateral
In quadrilateral $BCED$, sides $\overline{BD}$ and $\overline{CE}$ are extended past $B$ and $C$, respectively, to meet at point $A$. If $BD = 8$, $BC = 3$, $CE = 1$, $AC = 19$ and $AB = 13$, then what is $DE$?
●
sandwich
Jan 12, 2024
0
50
1
+1768
Need help
Help I need help with this
●
bader
Jan 12, 2024
+1
27
2
+1768
Circles
Help how do you do angles with circles
●
●
bader
Jan 12, 2024
+1
21
1
+1768
Circles
Help I need help with circles
●
bader
Jan 12, 2024
+1
50
1
+25
pls help its diffiuclt
Let A1, A2, A3....A15 be a regular polygon. A rotation centered at A4 with an angle of X takes A8 to A15. Given that X < 180, find X in degrees.
●
nathan166656
Jan 12, 2024
+1
44
1
+1911
counting question
I run a book club with $n$ people, not including myself. Every day, for $100$ days, I invite $14$ members in the club to review a book. What is the smallest positive integer $n$ so that I can avoid ever having the exact same group of $14$ members
read more ..
●
tomtom
Jan 12, 2024
+1
42
0
+1911
Balls in boxes
In how many ways can $4$ balls be placed in $8$ boxes if the balls and boxes are both distinguishable?
In how many ways can $4$ balls be placed in $8$ boxes if neither the balls nor the boxes are distinguishable?
In
read more ..
tomtom
Jan 12, 2024
0
33
0
+1911
Counting problems
A baking club wants to form an executive committee. There are $18$ people in the baking club, including Mark. In how many ways can the baking club form an executive committee with $2$ people?
A baking club wants to form
read more ..
tomtom
Jan 12, 2024
«
latest
9441
9440
..
9101
9100
9099
9098
9097
..
2
1
»
Post New Question
2 Online Users
Top Users
+129899
CPhill
moderator
+37153
ElectricPavlov
+33661
Alan
moderator
+15000
asinus
moderator
+2511
GingerAle
+2499
Solveit
+1938
NotThatSmart
+1557
parmen
+1521
blackpanther
+1455
kittykat
+1310
learnmgcat
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.