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
230689 Questions
0
546
1
repeating decimal
Suppose that a and b are digits, not both nine and not both zero, and the repeating decimal x = 0.abababab..... is expressed as a fraction in lowest terms. What is the largest possible value of x?
●
Guest
Feb 4, 2021
0
389
1
percent question
A store has clearance items that have been marked down by 55%. They are having a sale, advertising an additional 60% off clearance items. What percent of the original price do you end up paying?
●
Guest
Feb 4, 2021
0
487
1
help
A construction crew is extending a highway sound barrier that is 13 miles long. The crew builds 1/2 of a mile per week. Write an equation in slope-intercept form that represents the length y (in miles) of the barrier after x weeks.
read more ..
●
Guest
Feb 4, 2021
0
1556
1
Find angle S
Find angle S
●
Guest
Feb 4, 2021
-1
426
1
+328
Thx for the help, here's another problem:
There are 16 teams in the National Football Conference (NFC). Each year two teamswill play at the NFC Championship. What is the total number of possible matchups?(Note — order does not matter, so Seahawks-vs-Eagles is the same as Eagles-vs-Seahawks)
read more ..
●
Potatobird
Feb 4, 2021
0
382
1
need to simplify trig
Let $x = \sec A + \sin A$ and $y = \sec A - \sin A$, simplify $ \left( \dfrac 2{x+y} \right)^2 + \left( \dfrac{x-y}2 \right)^2 $.
●
Guest
Feb 4, 2021
-1
537
2
+195
Got a list of problems
1. What is the ratio of the number of degrees in the interior angle of a regular pentagon to the number of degrees in the interior angle of a regular hexagon?
Write your answer as a common fraction.
2. The diagram shows
read more ..
●
●
QuestionMachine
Feb 4, 2021
0
276
0
pls help
Find the surface area and volume of the solid.
Guest
Feb 4, 2021
0
530
1
Homework Help
Consider the series.
16+24+36+54+...
Does the series converge or diverge?
read more ..
●
Guest
Feb 4, 2021
0
438
1
bank accounts
Jim currently has $\$1,250$ in his bank account and Sally has $\$1,400$ in her bank account. Jim deposits $\$27.50$ per week and Sally deposits $\$20$ per week into her account. After how many weeks will they have the same amount of money?
read more ..
●
Guest
Feb 4, 2021
0
892
1
please help stuck on homework question
What is the sum of the infinite geometric series?
−5+ 2 −4/5 + 8/ 25− 16/125...
Enter your answer in the box. Enter any fraction as a simplified fraction.
●
Guest
Feb 4, 2021
0
1071
2
Given that $2^x = 7$, find the value of $4^{x-1}$.
Given that $2^x = 7$, find the value of $4^{x-1}$.
●
●
Guest
Feb 4, 2021
0
481
1
+179
hyperbola help
A hyperbola has one of its foci at (3,2), and the vertex of the hyperbola closer to this focus is at (4,2). One of the asymptotes of the hyperbola has slope . Find the coordinate of the center of the hyperbola.
●
vockeyvockvock
Feb 4, 2021
0
632
1
help plz hard problem
In the following list of numbers, the integer n appears n times in the list for 1<= n <= 200
1,2,2,3,3,3,4,4,4,4,5,5,5,5,.....,200,200,200
read more ..
●
Guest
Feb 4, 2021
0
233
0
counting
How many positive integers less than or equal to 10,000 are divisible by 2, 5, 10, or 12?
Guest
Feb 4, 2021
0
343
1
Help plz urgent
The quiz scores of a class with k>12 students have a mean of 8. The mean of a collection of 12 of these quiz scores is 14. What is the mean of the remaining quiz scores in terms of k?
●
Guest
Feb 4, 2021
0
601
1
please Help stuck on math test
The first term of a geometric sequence is −8100. The common ratio of the sequence is −0.1.
What is the 6th term of the sequence?
●
Guest
Feb 4, 2021
0
407
1
pls help
Given that $2^x = 7$, find the value of $2^x = 7$.
●
Guest
Feb 4, 2021
+3
362
0
+79
Calculus help
f(x)=6x+15f(x)=6x+15
AnswerMachine
Feb 4, 2021
+1
470
1
+56
urgent help needed like, today
The three angle measures of a triangle are $\frac{x}{2},\frac{x}{3}$ and $\frac{x}{6}$ degrees. What is the me
●
LaTeX
Feb 4, 2021
0
281
0
Algebra 2
The design of a digital box camera maximizes the volume while keeping the sum of the dimensions at 7 inches. If the length must be 1.2 times the height, what should each dimension be?
Guest
Feb 4, 2021
«
latest
9226
9225
..
7341
7340
7339
7338
7337
..
2
1
»
Post New Question
3 Online Users
Top Users
+128475
CPhill
moderator
+118609
Melody
moderator
+33616
Alan
moderator
+14919
asinus
moderator
+9519
MaxWong
+3144
admin
administrator
+2440
GingerAle
+1791
tomtom
+1679
wiseowl
+1541
bader
+1117
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.