Register
Login
Information
This feature requires your approval of cookies
You can approve cookies in the notification bar at the top of this window
Information
This feature requires your approval of cookies
Home
Forum
^{+0}
Widgets
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
All Questions
^{+0}
155782 Questions
0
18
0
help
ABC is isosceles with AC = BC. AD bisects angle BAC. If angle B = 72 degrees and CD = 1, then find BD.
Guest
Dec 2, 2019
0
17
1
help
How many 3-digit numbers can be written as the sum of three (not necessarily different) 2-digit numbers?
●
Guest
Dec 2, 2019
0
24
1
Stumped
Hi, I need some help on this please.
Angle bisectors AX and BY of triangle ABC meet at point I. Find Angle C in degrees,
read more ..
●
Guest
Dec 2, 2019
0
31
1
+142
𝓘𝓯 𝓨𝓸𝓾'𝓻𝓮 𝓝𝓮𝔀, 𝓒𝓸𝓶𝓮 𝓑𝓮 𝓐 𝓗𝓮𝓵𝓹𝓯𝓾𝓵 𝓤𝓼𝓮𝓻 𝓗𝓮𝓻𝓮 𝓐𝓽 𝓦𝓮𝓫2.0𝓬𝓪𝓵𝓬!!!
ιғ yoυr new go learn aвoυт weв2.0calc down вellow ιn ѕтιcĸy тopιcѕ or clιcĸ нere [¤¤¤¤welcoмe тo weв2.0calc¤¤¤¤] тo geт тнe rυleѕ and alѕo тo learn нow тo вecoмe a нelper. ----- нope тo нave yoυ parт oғ тнe weвcalc тeaм "𝙞𝙩𝙨 𝙣𝙤𝙩
read more ..
off-topic
●
killersteve27
Dec 2, 2019
0
21
0
geometry
Based on the shortest leg of the triangle illustrated, if a similar triangle on the coordinate plane has its shortest leg defined by the points (-2, 4) and (-6, 0), what is the third point?
Guest
Dec 2, 2019
0
22
0
help
Let A be the sum of the areas of the squares with sides parallel to the x- and y-axes, and let B be ths sum of the areas of the squares with slanted sides. What is A/B?
read more ..
Guest
Dec 2, 2019
0
32
1
help
The dartboard above is made up of three concentric circles with radii 1, 3, and 5. Assuming that a dart thrown will land randomly on the dartboard, what is the probability that it lands in the green region?
read more ..
●
Guest
Dec 2, 2019
0
19
0
help
A committee of 6 is chosen from 10 men 7 women so as to contain atleast 3 men 2 women. In how many different ways can this be done if two particular women refuse to serve on the same comittee?
Guest
Dec 2, 2019
0
18
1
help
Suppose three fair six-sided dice are rolled. What is the probability that the sum of the numbers obtained equals 18?
●
Guest
Dec 2, 2019
0
23
1
help
As shown in the figure, circle of diameter 4 touches the other two circles and the bottom of the rectangle. Circle of diameter 3 touches the top at A and left side of the rectangle. Circle of diameter 6 touches the top at B and two other
read more ..
●
Guest
Dec 2, 2019
0
22
1
help
A man was carrying some eggs with him. He sold 1/2 of all the eggs he had and 1/2 of an egg to a customer. He sold 1/2 of the remaining eggs he had and 1/2 of another egg to another customer. To the third customer, he sold 1/2 of the remaining eggs and
read more ..
●
Guest
Dec 2, 2019
0
19
2
help
Find the remainder of
divided by 673.
●
●
Guest
Dec 2, 2019
0
15
0
help
If the given equilateral triangle has a side measure of 4. What is the sum of the areas of the stacked squares inside it?
read more ..
Guest
Dec 2, 2019
0
18
0
help
Find the radius of the semicircle.
Guest
Dec 2, 2019
0
23
0
+21
Math. PLEASE HELP ME
A jar has 10 blue marbles and 8 red marbles. If five marbles are chosen at random from the jar, what is the probability that three of them are blue and two are red? (To two decimal places).
Here you are choosing without replacement: you
read more ..
marydien
Dec 2, 2019
-1
32
3
help
A bag contains five white balls and five black balls. Your goal is to draw two black balls.
You draw two balls at random. Once you have drawn two balls, you put back any white balls, and redraw so that you again have two drawn balls. What is the probability
read more ..
●
●
●
Guest
Dec 2, 2019
0
26
3
help
I have a collection of sixteen cards. Each card is rose, amber, emerald, or liberty (a shade of blue) . Also, each card is labelled A, B, C, or D. There is a card for each color-letter combination, e.g. there is an amber card that has a B on it.
These
read more ..
●
●
●
Guest
Dec 2, 2019
0
38
18
help
Two squares of an 8 by 8 chessboard are chosen at random. What is the probability that they are adjacent (vertically or horizontally, but not diagonally)?
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
Guest
Dec 2, 2019
0
30
1
help
A number from 100 to 999, inclusive, is chosen at random. What is the probability the number contains a digit of 0?
●
Guest
Dec 2, 2019
0
18
0
help
There is a 2/3 probability that it will rain on any particular day. What is the probability that it will rain this weekend (Saturday or Sunday)?
Guest
Dec 2, 2019
0
27
1
help
How many terms are in the expansion of (a + b + c + d)^5?
●
Guest
Dec 2, 2019
0
23
1
help
Determine the sum of all positive integers n less than 2019 such that the number 3n^3 + 2n^2 + n gives a remainder of 3 when divided by 49.
●
Guest
Dec 2, 2019
0
19
0
help
Suppose that x^2 + 2x - 4 = 0. Find x^4 + 4x^3 + 4x^2 + 3.
Guest
Dec 2, 2019
0
26
2
help
Solve |2x + 1| = |4x + 3|.
●
●
Guest
Dec 2, 2019
«
latest
6230
6229
..
6210
6209
6208
6207
6206
..
2
1
»
19 Online Users
Top Users
+105971
Melody
moderator
+105370
CPhill
moderator
+28240
Alan
moderator
+23542
heureka
+19720
ElectricPavlov
+11885
rosala
+10795
Omi67
moderator
+8829
hectictar
+8714
asinus
moderator
+7761
MaxWong
+6046
Rom
Sticky Topics
¤¤¤¤Welcome To Web2.0calc¤¤¤¤
How to display latex properly
Feature Questions 1 - Started 8th May 19
Filter Issues
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
https://www.desmos.com/calculator/bsh9ex1zxj
@ Is PROCRASTINATION a problem for you ?
@ Site full of printable puzzles.
Historical post!
What is happening? Wrap #4
Great Questions to Learn From 2
Great Answers to Learn From
Reference Material
Information for new people.
how do i type in fractions?