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
236405 Questions
0
1
0
+553
Counting
In how many ways can you distribute $8$ indistinguishable balls among $6$ distinguishable boxes, if at least three of the boxes must be empty?
crimefightingvigiI
Jan 12, 2025
0
1
0
+553
Counting
Find the number of solutions to
x_1 + x_2 + x_3 + x_4 + x_5 \le 1
in nonnegative integers.
crimefightingvigiI
Jan 12, 2025
0
1
0
+2729
Algebra
Find all values of t such that floor(t) = 3t + 4 - t^2. If you find more than one value, then list the values you find in increasing order, separated by commas.
LiIIiam0216
Jan 12, 2025
0
1
1
+2729
Algebra
At a cafeteria, Mary orders two pieces of toast and a bagel, which comes out to $3.15. Gary orders a bagel and a muffin, which comes out to $3.50. Larry orders a piece of toast, two bagels, and three muffins, which comes out to $8.15. How many cents does
read more ..
Bosco
●
LiIIiam0216
Jan 12, 2025
0
1
1
+2729
Geometry
In a rhombus, all the side lengths are $12,$ and one of the angles is equal to $90^\circ.$ Find the area of the rhombus.
Owinner
●
LiIIiam0216
Jan 12, 2025
0
1
1
+2729
Geometry
The perimeter of a rectangle is $40,$ and the length of one of its diagonals is $10 \sqrt{2}.$ Find the area of the rectangle.
Owinner
●
LiIIiam0216
Jan 12, 2025
0
1
2
+837
Geometry
A pole of height 50 units has broken into two pieces, and the top of the pole is now at a point that is 25 units from the base of the pole. Find the difference between the lengths of the two pieces.
Bosco
●
●
booboo44
Jan 12, 2025
0
1
1
+837
Geometry
Rectangle ADEH is divided into rectangles ABGH, BCFG, and CDEF. If $AC = 15,$ $GE = 15,$ $[ABGH] = 8,$ and $[CDEF] = 8,$ find $[BCFG].$
●
booboo44
Jan 12, 2025
0
1
1
+837
Geometry
In the diagram, XY = 2\cdot AX = 2\cdot YB and $\dfrac{AZ}{BX} = \dfrac{2}{5}$. Find $\dfrac{[YBC]}{[ZYC]}$.
●
booboo44
Jan 12, 2025
0
1
1
+553
Help help
Find all values of $x$ such that $x^2 - 5x + 4 = -x^2 - 25x - 14$. If you find more than one value, then list your solutions, separated by commas.
●
crimefightingvigiI
Jan 12, 2025
0
1
1
+553
Help me plz
Levans writes a positive fraction in which the numerator and denominator are integers, and the numerator is 2 greater than the denominator. He then writes several more fractions. To make each new fraction, he increases both the numerator and the denominator
read more ..
●
crimefightingvigiI
Jan 12, 2025
0
1
1
+553
I need help
Evaluate the infinite geometric series
0.4 + 0.036 + 0.0000324 + ...
Express your answer as a fraction with integer numerator and denominator.
●
crimefightingvigiI
Jan 12, 2025
0
1
0
+553
Help plz
Suppose a does not equal 0. Compute log base 8a (4^b) in terms of a and b.
crimefightingvigiI
Jan 12, 2025
0
1
1
+28
Please help ASAP
Hi I need help solving:
The sum
is equal to a polynomial for all Write as a polynomial with terms in descending order of n.
Thank you!!
●
crimefightingvigil
Jan 12, 2025
0
1
2
+27
Hard Counting Problem Please Help
When two standard 6-sided dice are rolled, there are 36 possible outcomes for the sum of the two rolls: one sum of 2, two sums of 3, and so on, up to one sum of 12.
Find all possible ways of numbering a 4-sided die and a 9-sided die with positive
read more ..
●
●
Halplz
Jan 12, 2025
0
1
1
+697
Geometry
In triangle $ABC$, point $D$ is on side $\overline{AC}$ such that line segment $\overline{BD}$ bisects $\angle ABC$. If $\angle A = 45^\circ$, $\angle C = 45^\circ$, and $AC = 12$, then find the area of triangle $ABD$.
●
cooIcooIcooI17
Jan 12, 2025
0
1
1
+697
Geometry
In triangle $ABC,$ $\angle B = 90^\circ.$ Point $X$ is on $\overline{AC}$ such that $\angle BXA = 90^\circ,$ $BC = 15,$ and $CX = 5$. What is $BX$?
●
cooIcooIcooI17
Jan 12, 2025
0
1
1
+697
Geometry
There are four cities: Capital City, Little Village, Mytown, and Yourtown. The distance from Capital City to Little Village is $5$ miles. The distance from Capital City to Mytown is $2$ miles. The distance from Mytown to Yourtown is $3$
read more ..
●
cooIcooIcooI17
Jan 12, 2025
0
1
1
+697
Geometry
In triangle $PQR,$ $M$ is the midpoint of $\overline{QR}.$ Find $PM.$
PQ = 5, PR = 8, QR = 11
●
cooIcooIcooI17
Jan 12, 2025
0
2
1
+2729
HALP ME Plz
In parallelogram EFGH, let M be the point on \overline{EF} such that FM:ME = 1:1, and let N be the point on \overline{EH} such that HN:NE = 1:1. Line segments \overline{FH} and \overline{GM} intersect at P, and line segments \overline{FH} and GN intersect
read more ..
●
LiIIiam0216
Jan 12, 2025
0
1
0
+2729
HALP ME HALP ME
In trapezoid $PQRS,$ $\overline{PQ} \parallel \overline{RS}$. Let $X$ be the intersection of diagonals $\overline{PR}$ and $\overline{QS}$. The area of triangle $PQX$ is $2,$ and the area of triangle $RSX$ is $2.$ Find the area of trapezoid
read more ..
LiIIiam0216
Jan 12, 2025
0
1
0
+2729
I need halp
Let $WXYZ$ be a trapezoid with bases $\overline{XY}$ and $\overline{WZ}$. In this trapezoid, $\angle ZXW = 120^\circ$, $\angle XWZ = 60^\circ$, and $\angle XYZ = 120^\circ$. Find $\angle YXZ$, in degrees.
LiIIiam0216
Jan 12, 2025
0
1
1
+2729
Plz halp
The area of a trapezoid is $80$. The length of one base is $16$ units greater than the other base, and one base of the trapezoid is $12$. Find the length of the median of the trapezoid.
●
LiIIiam0216
Jan 12, 2025
Jan 11, 2025
0
1
1
+363
HALP PLZ
In rectangle $WXYZ$, $A$ is on side $\overline{WX}$, $B$ is on side $\overline{YZ}$, and $C$ is on side $\overline{XY}$. If $AX = 2$, $BY = 16$, $\angle ACB = 90^\circ$, and $CY = 2 \cdot CX$, then find $AB$.
●
Lilliam0216
Jan 11, 2025
0
1
1
+363
Help plz.
Points $A$ and $B$ are on side $\overline{YZ}$ of rectangle $WXYZ$ such that $\overline{WA}$ and $\overline{WB}$ trisect $\angle ZWX$. If $BY = 2$ and $AZ = 4$, then what is the area of rectangle $WXYZ$?
●
Lilliam0216
Jan 11, 2025
«
latest
9455
9454
..
2
1
»
Post New Question
5 Online Users
Top Users
+130097
CPhill
moderator
+37158
ElectricPavlov
+15001
asinus
moderator
+3146
admin
administrator
+2729
LiIIiam0216
+2539
GingerAle
+1944
NotThatSmart
+1927
tomtom
+1770
bader
+1577
parmen
+1560
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.