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
Yes I am 16 or older
Cookie Consent
I accept third party cookies used to show me
personalized
ads. I also accept that these cookies are used to share information about my use of this site with advertising providers who may combine it with other information that I have provided to them or that they’ve collected from my use of their services.
I accept strictly necessary cookies that guarantee functions without which I could not use this website as intended.
Configure
I accept all cookies
unlimited
sponsored calculations per hour
All Questions
^{+0}
169858 Questions
0
67
1
plz someone help me !!
A line parallel to $y = 4x + 6$ passes through $(5, 10)$. What is the $y$-coordinate of the point where this line crosses the $y$-axis?
geno3141
●
Guest
Mar 28, 2020
-1
72
1
helpppp
Let S be the set of points z in the complex plane such that |z - 7 + 10i| 5. Find the area of S.
geno3141
●
Guest
Mar 28, 2020
+1
46
1
-291
cphill take a break (in a good way)(off topic)
HEY cphill u have been on for are long time u should take a break dude same with u geno
●
helpppp
Mar 28, 2020
Mar 27, 2020
0
58
1
+49
can someone please help me with this question?
A line parallel to $y = 4x + 6$ passes through $(5, 10)$. What is the $y$-coordinate of the point where this line crosses the $y$-axis?
●
thedudethatneedshelp
Mar 27, 2020
+2
62
1
+40
geo question
ABCD is a square with side length 4 and center X. AB is the diameter of a semicircle that lies outside ABCD and Y is a point on that semicircle so that XY=12. Find the area of CDY
●
qwerasdfzxcv1
Mar 27, 2020
0
53
2
Trig Question
What are the solutions to the equation on [0,2pi)?
sec (3x) = -2sqrt3/3
●
●
Guest
Mar 27, 2020
-2
76
4
+337
Does anyone actually give thumbs downs?
Does anyone actually give thumbs downs?
off-topic
●
●
●
●
nchang
Mar 27, 2020
0
68
5
+337
what is the probability of rolling a sum of 6 with two dice
what is the probability of rolling a sum of 6 with two dice
off-topic
●
●
●
●
●
nchang
Mar 27, 2020
0
69
3
+34
help
What is the greatest possible sum of two consecutive integers whose product is less than 400?
●
●
●
sloppy
Mar 27, 2020
0
61
2
+199
math
Use the graph of the function to find its domain and range. Write the domain and range in interval notation.
●
●
monkeyree1124
Mar 27, 2020
0
40
0
Not sure how to do
2\sqrt[3]{250}+\sqrt[3]{16}
Guest
Mar 27, 2020
+1
44
2
+34
help
What is the greatest integer value of x for which 6x^2 + x - 2 < 0?
●
●
sloppy
Mar 27, 2020
+1
44
2
+269
Irrationality
Answer this question: https://web2.0calc.com/questions/irrationality-proof
●
●
madyl
Mar 27, 2020
0
61
3
(Grade 11 Pre-Calculus) A rectangular lot is bordered on one side by a building and the other 3 sides by 800m of fencing.
(question continued) Determine the area of the largest lot possible.
I'm completely lost, I thought about using [ P=2l + 2w ] but there's a building next to one of the sides and 800m of fencing is only used for the three sides. Help!
read more ..
●
●
●
Guest
Mar 27, 2020
0
57
2
(Grade 11 Pre Calc) Two numbers have a difference of 18. Does their product have a maximum or a minimum value? Determine the value of 2 nums
The equation I got from that is (18+x)(18+x) or (x-18)(x-18) - both not giving me the right answer :( The answer is minimum; -81; -9 and 9
●
●
Guest
Mar 27, 2020
+3
69
2
+241
Please help (Math)
Please Help
●
●
Mathisgood
Mar 27, 2020
0
63
13
+199
math
1. There are 14 Cub Scouts in Troop 645. The number of scouts is 4 more than five times the number of adult leaders. Find the number of adult leaders.
2. The greater of two consecutive integers is nine more
read more ..
●
●
●
●
●
●
●
●
●
●
●
●
●
monkeyree1124
Mar 27, 2020
0
43
0
A jet travels through 8.5 *C air at Mach 2. What is its speed in meters per second?
A jet travels through 8.5 *C air at Mach 2. What is its speed in meters per second?
Guest
Mar 27, 2020
0
168
2
help
Charlie is watching hot air balloons. Balloon A has risen at a 50° angle. Balloon B has risen at a 78° angle. If the distance from balloon A to the ground is 1,000 feet, how far is balloon B from balloon A? Round your answer to the nearest whole number.
read more ..
●
●
Guest
Mar 27, 2020
+1
217
5
How many times does the number 41 appear in Pascal's triangle?
How many times does the number 41 appear in Pascal's triangle?
●
●
●
●
●
Guest
Mar 27, 2020
0
68
2
+34
quadratic inequalities help please
For how many integer values of x is x^2 < 7x?
●
●
sloppy
Mar 27, 2020
+3
57
2
+241
Please Help (Math)
Please I need help.
●
●
Mathisgood
Mar 27, 2020
-1
65
3
-291
helppppp
In the figure, each pair of consecutive sides forms a right angle. What is the area of the figure?
●
●
●
helpppp
Mar 27, 2020
«
latest
6793
6792
..
6497
6496
6495
6494
6493
..
2
1
»
24 Online Users
Top Users
+111327
CPhill
moderator
+109520
Melody
moderator
+30086
Alan
moderator
+24979
heureka
+23646
ElectricPavlov
+20981
geno3141
+12204
Omi67
moderator
+9474
asinus
moderator
+8961
hectictar
+8258
DragonSlayer554
+7825
MaxWong
Sticky Topics
removed
Loads of fun printable number and logic puzzles
Has your answer tab disappeared ?
¤¤¤¤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 ?
Historical post!
What is happening? Wrap #4
Great Questions to Learn From 2
Great Answers to Learn From
Reference Material