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}
155499 Questions
0
150
1
Proportions
Last month I wrote down the following facts while on my delivery job. I work 5 days a week for 8 hours a day. Last month I worked 20 days. My truck gets 21 miles per gallon. I drive at an average speed of 45 miles per hour. I listen to 104.5 on the radio.
read more ..
●
Guest
Jun 19, 2019
-1
195
5
I don’t understand where to start
●
●
●
●
●
Guest
Jun 19, 2019
0
152
1
Need help please!
Melody
●
Guest
Jun 19, 2019
0
178
1
+133
Help
Let be a positive integer, and let . Prove, using induction, that
Alan
●
Havingfun
Jun 19, 2019
0
156
1
+133
How
Let be a sequence determined by the rule if is even and if is odd. For how many positive integers is it true that is less than each of ?
●
Havingfun
Jun 19, 2019
0
169
3
Help
Compute $i^{1234}$.
●
●
●
Guest
Jun 19, 2019
Jun 18, 2019
0
119
2
HALPP!!!!
Show that from any five integers, one can always choose three of these integers such that their sum is divisible by 3.
●
●
Guest
Jun 18, 2019
0
146
2
help
If x directly proportional to y^3, and y is inversely proportional to . If the value of x is 3 when z is 12, what is the value of x when z is equal to 75?
hectictar
●
●
Guest
Jun 18, 2019
0
103
1
Please help!
Please help!
hectictar
●
Guest
Jun 18, 2019
0
161
6
+1449
Help Me! please
Given: Isosceles ΔABC with AD=AB
Prove: ΔBDA~ΔABC
read more ..
●
●
●
●
●
●
ManuelBautista2019
Jun 18, 2019
+1
153
1
+1449
Help!
Determine the following ratios based upon AB/BC=1/2
1- BC/AB
2-AB/AC
read more ..
●
ManuelBautista2019
Jun 18, 2019
+4
190
5
+1015
Please Help Thankyou
Please Help Thankyou
●
●
●
●
●
Nickolas
Jun 18, 2019
0
175
1
+1
Please help quickly
i really really dont know how to do this question and i need it done for my final
hectictar
●
NovaBaby03
Jun 18, 2019
0
106
1
math
The points (-7, 2) and (0, 8) form the endpoints of one side of a square. Rounded to the nearest whole number, what is the square’s area?
off-topic
hectictar
●
Guest
Jun 18, 2019
+1
135
1
+1449
Help!
Solve the following. Show your work.
RS=6, RT=3, TS=4 1/2. Find MR.
●
ManuelBautista2019
Jun 18, 2019
0
116
1
2(5x-9)>13
2(5x-9)>13
x=?
thank you for your answer it is really help to me I understand what I'm supposed to be doing.
read more ..
hectictar
●
Guest
Jun 18, 2019
0
121
1
help
The square with vertices (-1, -1), (1, -1), (-1, 1) and (1, 1) is cut by the line into a triangle and a pentagon. What is the number of square units in the area of the pentagon? Express your answer as a decimal to the nearest hundredth.
hectictar
●
Guest
Jun 18, 2019
0
155
2
help
A blimp flew at 45 mph in the direction of 160 degrees. After two hours it changes course and flew 40 mph for two and a half hours in the direction of 305 degrees. How far was it from the starting point at the end of the four and a half hours and what was
read more ..
ElectricPavlov
●
●
Guest
Jun 18, 2019
0
162
2
help
Fruit salad can be made with any 3 of these 5 fruits: apples, bananas, grapes, strawberries, and pineapples. If strawberries and pineapples do not taste good together and grapes and bananas do not look appetizing together, how many possible good tasting
read more ..
●
●
Guest
Jun 18, 2019
-1
192
7
+208
help!
The terms of a particular sequence are determined according to the following rules:
* If the value of a given term is an odd positive integer s, then the value of the following term is 3s - 9
* If the value of a given term is an even positive
read more ..
●
●
●
●
●
●
●
NoobGuest
Jun 18, 2019
-1
188
5
+208
help?
Two trains travel directly toward each other. One of the trains travels at a rate of 12 km/h while the other travels at a rate of 20 km/h. When the trains are 72 km apart, a conductor at the front of one of the trains releases the insane pigeon Hyde. Hyde
read more ..
●
●
●
●
●
NoobGuest
Jun 18, 2019
«
latest
6218
6217
..
6030
6029
6028
6027
6026
..
2
1
»
24 Online Users
Top Users
+105891
Melody
moderator
+105228
CPhill
moderator
+28230
Alan
moderator
+23516
heureka
+19911
ElectricPavlov
+11885
rosala
+10768
Omi67
moderator
+8829
hectictar
+8697
asinus
moderator
+7747
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?