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
337
1
Inequality
Solve 1/3*t - 5 <= -3t + 7. Give your answer as an interval.
●
Guest
Aug 21, 2021
0
341
1
Coordinates
A triangular region is enclosed by the lines with equations y = 1/2 x + 3, y = -2x + 6 and y = 2. What is the area of the triangular region? Express your answer as a decimal to the nearest hundredth.
●
Guest
Aug 21, 2021
0
378
1
help algebra
Simplify $\frac{\sqrt{72}}{\sqrt{25}}$. Your answer should have an integer denominator.
●
Guest
Aug 21, 2021
0
364
2
URGENT!!!
Calculate $\sqrt{30p} \cdot \sqrt{5p} \cdot \sqrt{6p}$ . Express your answer in simplest radical form in terms of $p$.
●
●
Guest
Aug 21, 2021
0
543
8
help geometry
In the diagram below AM = BM = CM, and angle BMC + angle B = 201 degrees. Find angle A in degrees.
read more ..
●
●
●
●
●
●
●
●
Guest
Aug 21, 2021
0
360
1
+41
Please Help!!!
Evaluate $\log_{\sqrt[3]{5}}125$.
●
CENTTRAL
Aug 21, 2021
0
262
1
help geometry
The result of dividing the interior angles of a regular polygon by its exterior angle is 2.5, find the number of sides of the polygon
●
Guest
Aug 21, 2021
0
394
3
+31
PLEASE HELP ASAP!
Find a linear inequality with the following solution set. Each grid line represents one unit.
(Give your answer in the form ax+by+c>0 or
read more ..
●
●
●
soccerfan123
Aug 21, 2021
Aug 20, 2021
0
216
0
Counting problem
Louise wants to buy a snack from a vending machine that takes quarters, dimes, and nickels. How many combinations of coins can she use to buy a 45-cent snack?
Guest
Aug 20, 2021
0
397
1
Counting
My patio is tiled with square tiles, all the same size. All the tiles are gray, except the tiles along the two diagonals, which are all yellow. (The corners are yellow, the center is yellow, and all the tiles along the diagonal in between are yellow.) If
read more ..
●
Guest
Aug 20, 2021
0
275
1
Help with system
Consider the system of equations
5x - y = 31
-3x + 4y = -37
read more ..
●
Guest
Aug 20, 2021
0
219
0
Geometry
A hexagonal prism has a height of 6 units and a regular hexagonal base with a side length of 4 units. What is the length of the longest segment that can fit inside this prism?
Guest
Aug 20, 2021
0
345
1
Algebra
How many liters of pure water must be added to how many liters of a 25% bleach solution to make 12 liters of a 20% bleach solution?
●
Guest
Aug 20, 2021
0
505
1
help again thx
The figure below is drawn to scale. List all obtuse angles in the figure. Write your answer as a list of angles separated by commas. For example, if you believe ABC and BCD are all the obtuse angles, then ABC, BCD would be your answer.
read more ..
●
Guest
Aug 20, 2021
0
225
0
help plz
When a teacher counted her students in groups of 4, there were two students left over. When she counted them in groups of 5, she had 1 student left over. If 15 of her students were girls and she had more girls than boys, how many students did she have?
read more ..
Guest
Aug 20, 2021
0
394
1
help pls
The two horizontal lines in the diagram below are parallel. We are also given the measure of one angle in the diagram. Find the value of c
read more ..
●
Guest
Aug 20, 2021
0
257
1
help geometry
Each of equal sides of an isosceles triangle is 4cm greater than its height .If the base of triangle is 24 cm ,calculate the perimeter and the area of the triangle
●
Guest
Aug 20, 2021
0
218
0
Complex Numbers
Find the complex number z that satisfies
$(1 + i) z - 2 \overline{z} = z - 11 + 25i$
Guest
Aug 20, 2021
0
218
0
Find the point that lies on the directed line segment from B (2,6) to A (-1,0) in a ratio of 2:1.
Find the point that lies on the directed line segment from B (2,6) to A (-1,0) in a ratio of 2:1.
Guest
Aug 20, 2021
0
479
5
Let $C = (3, 5)$ be the midpoint of $AB,$ where $A = (1, 8)$ and $B = (x, y).$ What is the value of $xy$?
Let $C = (3, 5)$ be the midpoint of $AB,$ where $A = (1, 8)$ and $B = (x, y).$ What is the value of $xy$?
●
●
●
●
●
Guest
Aug 20, 2021
0
208
0
help with probability
If 4 numbers from 1 to 1000 are chosen at random, one at a time find the probability that they will be chosen in increasing order.
Guest
Aug 20, 2021
0
254
1
help rhombus
A rhombus with area 840 has a diagonal of length 42. What is its side length?
●
Guest
Aug 20, 2021
0
265
1
Geometric sequence
An infinite geometric series has a first term of 12 and a second term of 4. A second infinite geometric series has the same first term of 12 a second term of 4+n, and a sum of three times that of the first series. Find the value of n.
●
Guest
Aug 20, 2021
+1
770
1
+27
Ida's ice-cream stand
Ida's ice-cream stand has increasing profits each week during the hot summer months. Ida finds that each week during the summer her profits increase by 15% over what they were the previous week. In her first week of business, her profits were $600.
read more ..
●
hippobush2
Aug 20, 2021
0
360
1
+140
Counting Problem
In how many ways can 8 people be seated in a row of chairs if three of the people, John, Wilma, and Paul, refuse to sit in three consecutive seats?
●
sherwyo
Aug 20, 2021
«
latest
9390
9389
..
7933
7932
7931
7930
7929
..
2
1
»
Post New Question
2 Online Users
Top Users
+118653
Melody
moderator
+37084
ElectricPavlov
+33653
Alan
moderator
+14985
asinus
moderator
+5265
rarinstraw1195
+3146
admin
administrator
+2973
TitaniumRome
+2651
LiIIiam0216
+2489
GingerAle
+1887
tomtom
+1832
NotThatSmart
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.