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
231266 Questions
0
310
1
plz help
The vertices of a rectangle are (3, 1), (3, 5), (6, 5), and (6, 1). Find the perimeter of the rectangle
●
Guest
Sep 10, 2021
0
330
1
Stuck
For the function, find whether or not it is increasing, decreasing, even, odd, and/or invertible on its natural domain:
I found that it is odd (graph)
read more ..
●
Guest
Sep 10, 2021
0
224
0
Help me
For z = -3 + 5i, evaluate $z + \overline{z}$.
Note: $\overline{z}$ denotes the conjugate of $z$
Guest
Sep 10, 2021
0
355
1
Plea help. Tia!
David and Elijah each spent the same amount of money. David has 1/4 of his money left and Elijah had 3/5 of his money left. What was the ratio of the amount of money David had at first to the amount of money Elijah had at first?
(1) 4:5
read more ..
●
Guest
Sep 10, 2021
-4
802
1
+73
A coin, thrown upward at time t = 0 from an office in the Empire State Building
A coin, thrown upward at time t = 0 from an office in the Empire State Building, has a height in feet above the ground t seconds later given by
(b)
read more ..
●
GAMEMASTERX40
Sep 10, 2021
+1
296
2
+5
Please help ASAP!
1 1/4 + (-3 1/6)=
●
●
mathbms
Sep 10, 2021
0
366
2
I need help!!!!1
so guys im trying to figure out how many times 13 can go into 125 equally. can someone help me ?????
●
●
Guest
Sep 10, 2021
0
442
3
I've been trying to do this to no avail.. can somebody please explain with steps? Thanks!
When Brock Clock was asked what time it was, he said, "Well, the minute hand is pointing directly at one of the twelve numbers on the clock, the hour hand is pointing toward a spot whose nearest number is at least five greater than the number the minute hand
read more ..
●
●
●
Guest
Sep 10, 2021
Sep 9, 2021
0
203
0
You forgot to answer
https://web2.0calc.com/questions/i-really-don-t-know-how-to-answer-this-question
Guest
Sep 9, 2021
0
347
3
help math
Write down the quadratic equation whoose roots are x = -7 and x = 7, and the coefficient of x^2 is 1.
Enter your answer in the form x^2 + bx + c = 0
●
●
●
Guest
Sep 9, 2021
0
346
2
Counting
In a class of 30 students, 20 take mathematics, 17 take physics and 2take none of the two subjects. How many students take both subjects?
●
●
Guest
Sep 9, 2021
0
193
0
Domain
Find the greatest integer value of b for which the expression
(9x^3+4x^2+11x+7)/(x^2+bx+28)
has a domain of all real numbers.
Guest
Sep 9, 2021
0
359
1
Geometry
Find the circumradius of triangle ABC.
●
Guest
Sep 9, 2021
0
361
1
Im not understanding how to start this can someone help me Plz
- 11 = 3
k 12
solve the equation
how do i start this????
read more ..
●
Guest
Sep 9, 2021
0
336
1
HELP HELP HELP!!!!!
solve the equation
7 = 11
x 2
read more ..
●
Guest
Sep 9, 2021
0
190
0
Geometry
Find the circumradius of triangle ABC.
Guest
Sep 9, 2021
0
345
1
help
Wyatt is going to a carnival that has games and rides. Each game costs $1.25 and each ride costs $2.75. Wyatt spent $20.25 altogether at the carnival and the number of rides he went on is twice the number of games he played. Determine the number of games
read more ..
●
Guest
Sep 9, 2021
0
228
0
Find a linear inequality with the following solution set. Each grid line represents one unit. HELPPPPP!!!!!
Find a linear inequality with the following solution set. Each grid line represents one unit.
[asy]
size(200);
fill((-2,-5)--(5,-5)--(5,5)--(3,5)--cycle,yellow);
real ticklen=3;
real tickspace=2; <#> real ticklength=0.1cm; <#> real
read more ..
Guest
Sep 9, 2021
0
262
3
I don't get it-can someone helppp?
The perpendicular bisector of the line segment connecting the points (-3, 8) and (-5, 4) has an equation of the form y=mx+b. Find m+b.
●
●
●
Guest
Sep 9, 2021
0
362
3
I need help by tomorrow-I tried something but it shows as wrong answer
Find the value of B-A if the graph of Ax+By=3 passes through the point (-7, 2) and is parallel to the graph of x+3y=-5
●
●
●
Guest
Sep 9, 2021
0
353
1
Complex Numbers
Machiavelli added together 1 + 3i and -7 - 15i. What number did he get?
●
Guest
Sep 9, 2021
0
337
1
Fractions and Numbers (Word Problem) help please
Alex rehearse guppies in three tanks. of the guppies are in the first
tank. of the guppies are in the second tank and the rest of the
guppies are in the third tank. If there are 100 more guppies in the
second
read more ..
●
Guest
Sep 9, 2021
0
199
0
help domain
What is the domain of the real-valued function f(x) = (2x - 7)/sqrt(x^2 - 5x)?
Guest
Sep 9, 2021
0
206
0
I need hekp in maths
HELP!!! What s 5a = 2???
Guest
Sep 9, 2021
0
229
1
Help me to solve the thanks in advance
There are some red, green and blue counters in a box. of the counters are red. There are 53 blue counters and 29 more green counters than red counters. How many counters are there in the box altogether?
●
Guest
Sep 9, 2021
«
latest
9249
9248
..
7970
7969
7968
7967
7966
..
2
1
»
Post New Question
1 Online Users
Top Users
+128707
CPhill
moderator
+118613
Melody
moderator
+33616
Alan
moderator
+14931
asinus
moderator
+9664
MaxWong
+3144
admin
administrator
+2440
GingerAle
+1791
tomtom
+1679
wiseowl
+1610
bader
+1190
parmen
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.