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
230469 Questions
0
795
1
help
The length of the year on the planet Mars is exactly 697 days. If Mars has a calendar with a 12-day week, and year 0 begins on the first day of the week, what is the next year which will begin on the first day of the week?
●
Guest
Feb 9, 2019
0
496
1
help
For all positive integers , the th triangular number is defined as . What is the greatest possible value of the greatest common divisor of and ?
●
Guest
Feb 9, 2019
0
458
1
The answer is 5 but i dont know how to get to it?
diagram : http://prntscr.com/miwwjw
question: http://prntscr.com/miwwup
●
Guest
Feb 9, 2019
0
761
2
+59
Help Please!!!!
How many different prime numbers when multiplied by 11, have an even number as their product?
●
●
CDorrell
Feb 9, 2019
+1
1952
5
+76
I need some help with these example parabola problems
1. Find the vertex of the graph of y=x^2+8x+23
2.Find the vertex of the graph of the equation y=3x^2-6x+7
read more ..
●
●
●
●
●
Android4EVER
Feb 9, 2019
0
666
3
+27
Need help
An acute triangles two sides measure 8 and 15. How many possible lengths are there for the third side if it is an integer?
●
●
●
robotjeremyc
Feb 9, 2019
0
786
0
+4
What is the potential outlier in the following data set of populaion densities?
What is the potential outlier in the following data set of populaion densities?
1,19,35,43,49,55,63,94,105,110,175,231,239,351,738
Ayoung35
Feb 9, 2019
+1
966
1
+2862
Cross-Shape Geometry Problem (AMC 10A)
Consider the sided polygon below, Each of its sides has the length of , and each consecutive sides form a right angle. What is the area of ?
read more ..
●
CalculatorUser
Feb 9, 2019
0
753
1
+59
HELP ME!!!!
Emily sold 144 boxes of cookies for a fundraiser. If she sold 80% of the total number of boxes sold for the fundraiser, how many total boxes of cookies were sold for the fundraiser?
●
CDorrell
Feb 9, 2019
0
766
2
+33
Please Help me answer these two geometry questions! see attachment
Plz help me to answer these 2 questions!
●
●
The3Dude
Feb 9, 2019
0
794
5
+62
Help on problem - counting and/or number theory
How many integers satisfy the condition that it is between 100 and 200, exclusive,
●
●
●
●
●
LOL314jnl
Feb 9, 2019
-2
1245
2
-11
An artist is designing a kite like the one show below. Calculate the area to determine how much material she will need to create the kite.
An artist is designing a kite like the one show below. Calculate the area to determine how much material she will need to create the kite.
read more ..
●
●
Pigglepoox2007
Feb 9, 2019
-3
1018
3
-11
Need help please
A farmer has decided to divide his land area in half in order to plant soy and corn. Calculate the area of the entire area so he knows how much soil is needed.
read more ..
●
●
●
Pigglepoox2007
Feb 9, 2019
0
384
1
plz help
http://prntscr.com/miv9tf
●
Guest
Feb 9, 2019
-3
1493
3
-11
The area of the parallelogram below is ____ square meters.
The area of the parallelogram below is ____ square meters.
read more ..
●
●
●
Pigglepoox2007
Feb 9, 2019
0
561
1
please help(ignore dollar signs)
Let $f(x) = 2^x.$ Find $\sqrt{f(f(f(f(1))))}.$
LOL314jnl
●
Guest
Feb 9, 2019
-3
1037
7
-11
Need Help
A company makes triangular plates for individual slices of pizza. For each plate, the base is 5 inches and the height is 16 inches. The area of the top of the plate is ____ inches squared.
●
●
●
●
●
●
●
Pigglepoox2007
Feb 9, 2019
0
608
2
please help(ignore the dollar signs)
If $f (x) = x + 2$ and $g (x) = x^2$, then for what value of $x$ does $f(g(x)) = g(f(x))$? Express your answer as a common fraction.
●
●
Guest
Feb 9, 2019
0
412
1
Quadratic Optimization
The smallest distance between the origin and a point on the graph of y=(1/sqrt(2))((x^2)-3) can be expressed as sqrt(a)/b , where a and b are positive integers such that a is not divisible by the square of any integer greater than one. Find a+b
read more ..
●
Guest
Feb 9, 2019
0
778
1
+33
PLEASE HELP ME! I NEED A MATH PRO! (geometry)
I need help answering this question in the attachment.
●
The3Dude
Feb 9, 2019
0
419
2
hard problem
two side lengths of a triangle are 11 and 17. What is the longest possible integer length of the third side of the triangle?
●
●
Guest
Feb 9, 2019
0
1169
1
What is the smallest positive integer n such that √126n is an integer?
What is the smallest positive integer n such that √126n is an integer?
●
Guest
Feb 9, 2019
0
377
1
math
There are 100,000 people evenly distributed over 100 places.
What is the likelihood that 2 specific people are in the same place?
●
Guest
Feb 9, 2019
0
341
2
help me
What positive number x satisfies the equation 3x^2 = 27^3?
●
●
Guest
Feb 9, 2019
0
1140
1
Samir has a 23 link chain
Samir has a 23-link chain. He wants to cut and disengage the minimum number of links so that any number of links from 1 to 23 can be obtained by taking one or more of the resulting pieces (including the disengaged links). Give the position(s) of the link(s)
read more ..
●
Guest
Feb 9, 2019
«
latest
9217
9216
..
5739
5738
5737
5736
5735
..
2
1
»
Post New Question
1 Online Users
Top Users
+128408
CPhill
moderator
+118608
Melody
moderator
+33615
Alan
moderator
+14905
asinus
moderator
+9519
MaxWong
+3144
admin
administrator
+2440
GingerAle
+1763
tomtom
+1484
bader
+1037
parmen
+1030
blackpanther
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.