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
235570 Questions
0
14
1
+121
Halp
Solve for :
●
Hi69420
May 4, 2024
-2
18
1
+330
Geometry
In triangle ABC, point X is on side BC such that AX = 10, BC = 10, CX = 5, and the circumcircles of traingles ABX and ACX have the same radius. Find the area of triangle ABC.
●
Stanry
May 4, 2024
-2
25
0
+330
Geometry
Semicircles are constructed on AB, AC,and BC. A circle is tangent to all three semicircles. Find the radius of the circle.
Stanry
May 4, 2024
-2
20
0
+330
Geometry
Let $\overline{AB}$ be a diameter of a circle, and let $C$ be a point on the circle such that $AC = 4$ and $BC = 4.$ The angle bisector of $\angle ACB$ intersects the circle at point $M.$ Find $CM.$
Stanry
May 4, 2024
0
13
2
+12
Geometry help plz
Let ABCD be a regular tetrahedron. Let E,F , G,H be the centers of faces BCD , ACD,ABD,ABC respectively. The volume of pyramid ABCD is 18 Find the volume of pyramid EFGH .
●
●
jackg
May 4, 2024
0
22
1
+121
Trigonometry question
What is the period of ? (Give your answer in radians.)
●
Hi69420
May 4, 2024
0
25
2
+121
What is the degree of the polynomial ?
What is the degree of the polynomial ?
●
●
Hi69420
May 4, 2024
-1
26
2
+121
Binomial question
What is the coefficient of in the expansion of ?
●
●
Hi69420
May 4, 2024
-1
19
1
+330
Geometry
The sides of a triangle are $2,$ $2,$ and $\sqrt{6} - \sqrt{3}.$ Enter the angles of the triangle in degrees, separated by commas.
●
Stanry
May 4, 2024
-1
19
0
+330
Geometry
In the diagram below, we have $AB = 24$ and $\angle ADB =90^\circ$. If $\sin A = \frac13$ and $\sin C = \frac12$, then what is $BC$?
read more ..
Stanry
May 4, 2024
May 3, 2024
0
24
0
+4
On a certain hot summer's day,
On a certain hot summer's day,
483483
people used the public swimming pool. The daily prices are
$ 1.50$1.50
read more ..
xixialvarez
May 3, 2024
-1
17
0
+330
Geometry
In triangle $ABC,$ $BC = 32,$ $\tan B = \frac{3}{5},$ and $\tan C = \frac{1}{4}.$ Find the area of the triangle.
Stanry
May 3, 2024
-1
27
2
+330
Geometry
In triangle $ABC,$ $AB = 3,$ $AC = 5,$ $BC = 7,$ and $D$ lies on $\overline{BC}$ such that $\overline{AD}$ bisects $\angle BAC.$ Find $\cos \angle BAD.$
●
●
Stanry
May 3, 2024
-1
16
1
+330
Algebra
What are the coordinates of the points where the graphs of f(x)=x^3 + x^2 - 3x + 5 and g(x) = x^3 + 2x^2 intersect?
Give your answer as a list of points separated by commas, with the points ordered such that their -coordinates
read more ..
●
Stanry
May 3, 2024
-1
21
1
+330
Geometry
Let $a$ and $b$ be real numbers, where $a < b$, and let $A = (a,a^2)$ and $B = (b,b^2)$. The line $\overline{AB}$ (meaning the unique line that contains the point $A$ and the point $B$) has slope $2$. Find $a + b$.
●
Stanry
May 3, 2024
-1
23
0
+330
Geometry
Find all points (x,y) that are 5 units away from the point (2,7) and that lie on the line x + y = 13.
Stanry
May 3, 2024
-1
17
1
+330
Algebra
Assume that f(3) = 4. Name a point that must be on the graph of y= (5 + f(2x/3))/11$.
●
Stanry
May 3, 2024
+1
12
1
+936
Geometry
In triangle $PQR,$ $M$ is the midpoint of $\overline{QR}.$ Find $PM.$
PQ = 5, PR = 8, QR = 11
●
Rangcr897
May 3, 2024
0
20
0
+936
Geometry
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 $BD$?
Rangcr897
May 3, 2024
0
18
0
+936
Geometry
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 $DE$?
Rangcr897
May 3, 2024
0
17
1
+936
Geometry
In square ABCD, P is on BC such that BP = 4 and PC = 1, and Q is on line CD such that DQ = 2 and QC = 3. Find sin angle PAQ.
●
Rangcr897
May 3, 2024
0
30
0
+936
Geometry
In triangle PQR, M is the midpoint of PQ. Let X be the point on QR such that PX bisects angle QPR, and let the perpendicular bisector of PQ intersect AX at Y. If PQ = 36, PR = 22, QR = 26, and MY = 8, then find the area of triangle PQR
Rangcr897
May 3, 2024
0
26
0
+936
Geometry
In triangle $ABC,$ $AC = BC$ and $\angle ACB = 90^\circ.$ Points $P$ and $Q$ are on $\overline{AB}$ such that $P$ is between $A$ and $Q$ and $\angle QCP = 45^\circ.$ If cos ACP = 2/3, then find cos BCQ.
Rangcr897
May 3, 2024
0
17
1
+936
Geometry
The interior angles of a polygon form an arithmetic sequence. The difference between the largest angle and smallest angle is $56^\circ$. If the polygon has $3$ sides, then find the smallest angle, in degrees.
●
Rangcr897
May 3, 2024
May 2, 2024
0
23
0
+936
Geometry
Let $IJKLMN$ be a hexagon with side lengths $IJ = LM = 3,$ $JK = MN = 3,$ and $KL = NI = 3$. Also, all the interior angles of the hexagon are equal. Find the area of hexagon $IJKLMN$.
Rangcr897
May 2, 2024
«
latest
9421
9420
..
9237
9236
9235
9234
9233
..
2
1
»
Post New Question
3 Online Users
Top Users
+37146
ElectricPavlov
+33661
Alan
moderator
+14995
asinus
moderator
+9673
MaxWong
+2489
GingerAle
+1908
NotThatSmart
+1839
ABJeIIy
+1768
bader
+1537
parmen
+1439
kittykat
+1427
blackpanther
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.