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
230625 Questions
0
1019
2
HELp
Point O is the circumcenter of triangle ABC. The distance between O and Line AC is 7, and the distance between O and Line AB is 15. If AC=48, what is AB?
read more ..
●
●
Guest
Nov 9, 2019
0
823
9
'I'm not like the other girls/cheaters' (genuine help)
Triangle ABC has circumcenter O. If AB=10 and [OAB=30] find the circumradius of triangle ABC.
[brackets] mean the area
???
How do I solve this?
I've already drawn it out and assumed it was a scalene triangle.
read more ..
●
●
●
●
●
●
●
●
●
Guest
Nov 9, 2019
0
675
6
help
Determine the four- and five-digits palindromes that are perfect squares.
●
●
●
●
●
●
Guest
Nov 9, 2019
+1
954
1
+312
TRIGONOMETRY
ABCDEFGH, refer to image in the link, is a cube. Find the sine of ∠GAC.
https://latex.artofproblemsolving.com/4/e/9/4e96fce20bc93f1aeeb0dea0d9cad167be87c62d.png
●
mathleteig
Nov 9, 2019
0
693
2
help
Find the number of solutions to a + b + c = 30, where a, b, c are positive integers.
●
●
Guest
Nov 9, 2019
+1
2330
4
+447
New Riddle
John noticed that the amount he was paying for his lunch was a rearrangement of the digits of the amount of money he had in his pocket, and that the money he had left over was yet another rearrangement of the same three digits! How much money did John start
read more ..
●
●
●
●
SVS2652
Nov 9, 2019
Nov 8, 2019
0
860
12
+7
Help ASAP
Can someone help me out i am confused on how they solved this
https://math.stackexchange.com/questions/1780856/question-from-mathcounts-competition
this is hard if you solve it you are very smart. It is already is explained but i dont get
read more ..
●
●
●
●
●
●
●
●
●
●
●
●
SketchyPerson
Nov 8, 2019
0
1735
6
+247
Randy presses RAND on his calculator twice to obtain two random numbers between 0 and 1.
Randy presses RAND on his calculator twice to obtain two random numbers between 0 and 1. Let p be the probability that these two numbers and 1 form the sides of an obtuse triangle. Find 4p.
●
●
●
●
●
●
power27
Nov 8, 2019
0
607
3
Please help!!
Find the distance between and the line through and This distance is equal to
for some integer . What is ?
●
●
●
Guest
Nov 8, 2019
0
927
3
+134
Do you like photography?
If you like photography you should see some of the stuff I have taken.
--- My Photography website: http://www.flickr.com
--- My insta: @williamdr1478
read more ..
off-topic
●
●
●
killersteve27
Nov 8, 2019
0
1235
1
help
Each day, two out of the three teams in a class are randomly selected to participate in a MATHCOUNTS trial competition. What is the probability that Team A is selected on at least two of the next three days? Express your answer as a common fraction.
read more ..
●
Guest
Nov 8, 2019
0
576
1
Help?
Find the value of such that is a vector parallel to the plane through the points and
●
Guest
Nov 8, 2019
0
755
2
+1993
the first option are A. 0.89 B. 0.45 C. 1.12
the first option are A. 0.89 B. 0.45 C. 1.12
the second options are A. circular then elongated or B. elongated than circular
read more ..
●
●
jjennylove
Nov 8, 2019
0
575
2
Help asap please!!!
The equation of the plane through the points and can be written as
Then what's the ordered triple ?
●
●
Guest
Nov 8, 2019
0
589
1
Please Help!!!!
Let Then the distance between and the plane through the points and is for some value of . What's ?
●
Guest
Nov 8, 2019
+1
1319
3
+312
TRIANGLES
A triangle with sides 3a - 1, a2 + 1, and a2 + 2 has a perimeter of 16 units. What is the number of square units in the area of the triangle? I already know the value of a is 2 or -3.5
●
●
●
mathleteig
Nov 8, 2019
0
576
1
HELP ASAP!!!!
Consider the line through points and . This line can be parametrized as
for some choices of constants and . What is the ordered pair ?
●
Guest
Nov 8, 2019
0
498
1
math
https://prnt.sc/pud1mw
Determine the difference of outputs of any two inputs that are 2 units apart.
●
Guest
Nov 8, 2019
0
409
1
help
When its digits are reversed, a particular positive two-digit integer is increased by 20%. What is the original number?
●
Guest
Nov 8, 2019
0
519
1
math
Determine the difference of outputs of any two inputs that are 1 unit apart.
https://prnt.sc/puc0vs
●
Guest
Nov 8, 2019
0
1538
6
Find the number of 10-digit numbers where the sum of the digits is divisible by 5.
Find the number of 10-digit numbers where the sum of the digits is divisible by 5.
●
●
●
●
●
●
Guest
Nov 8, 2019
-1
889
0
+134
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
Nov 8, 2019
0
415
4
Kangaroo problem
visit website Counting Kangaroos nrich.maths.org
Please answer i need it for homework
read more ..
●
●
●
●
Guest
Nov 8, 2019
0
777
2
help
What is the smallest positive integer with factors of 16, 15 and 12?
●
●
Guest
Nov 8, 2019
0
432
0
Could anyone please help me out....
This is question about partial ordered sets and function.
Let ⟨A,≼A⟩ be a poset, B a set, and f : B → A a function. Let ≼B ⊆ B × B be the relation defined by, for all x,y ∈ B, x ≼B y if and only if f(x) ≼A f(y).
(a) Show that
read more ..
Guest
Nov 8, 2019
«
latest
9224
9223
..
6114
6113
6112
6111
6110
..
2
1
»
Post New Question
4 Online Users
Top Users
+128475
CPhill
moderator
+118609
Melody
moderator
+33616
Alan
moderator
+14915
asinus
moderator
+9519
MaxWong
+3144
admin
administrator
+2440
GingerAle
+1791
tomtom
+1498
bader
+1105
parmen
+1032
kittykat
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.