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
230619 Questions
0
1
502
1
help
Bryan baked a total of 1060 chocolate puffs and strawberry puffs. After giving away an equal number of both types of puffs, he was left with 2/7 of the chocolate puffs and 1/5 of the strawberry puffs. What was the total number of puffs left?
●
Guest
Sep 21, 2021
0
248
1
Please help me with this question
There were 3/7 as many notebooks as pencils being sold. Each notebook
cost $4 more than each pencil. The total amount received from the sale of
notebookswas $120 more the amount received from the sale of pencils.
The total amount
read more ..
●
Guest
Sep 21, 2021
0
330
1
help with coordinates
The points (-1,4) and (2,-8) are adjacent vertices of a square. What is the area of the square?
●
Guest
Sep 21, 2021
0
238
1
Number Theory
What is the ones digit of 1^2009 + 2^2009 + 3^2009 + ... + 100^2009?
●
Guest
Sep 21, 2021
0
321
1
Algebra
Jim began a 164-mile bicycle trip to build up stamina for a triathlon competition. Unfortunately, his bicycle chain broke, so he finished the trip walking. The whole triptook 6 hours. If Jim walks at a rate of 4 miles per hour and rides at 44 miles per
read more ..
●
Guest
Sep 21, 2021
0
268
1
sqrt(2009*2010*2011*2012+1)
Как вычислить 2009*2010:2011*2012+1
●
Guest
Sep 21, 2021
0
291
1
help
10x+4=8
●
Guest
Sep 21, 2021
0
536
1
The sum of three consecutive positive integers is a perfect cube. Find the least possible value of the smallest number, assuming that the mi
The sum of three consecutive positive integers is a perfect cube. Find the least possible value of the smallest number, assuming that the middle number ends in at least 5 zeros.
●
Guest
Sep 21, 2021
0
173
0
Domain
If f(x) = 2 - x^(1/2) and g(x) = x^2 - 9, what is the domain of g(x)/f(x)?
Guest
Sep 21, 2021
0
285
1
fraction/percentage
Mr Aziz had some apples. He sold 1/5 of the apples on Monday and
80 apples on Tuesday. In the end, he was left 30% of the apples he
had at first. How many apples did he have in the end?
●
Guest
Sep 21, 2021
0
218
0
Coordinates
Write the equation of the line that passes through the points (-6,6) and (7,9). Put your answer in fully reduced point slope form, unless it is a vertical or horizontal line,
Guest
Sep 21, 2021
0
275
1
Pls help, tks!
Jennifer had a total of 132 markers and crayons. After she gave away 4/5 of
markers and 18 crayons, she had an equal number of markers and
crayons left.
(a) How many markers did she have left?
read more ..
●
Guest
Sep 21, 2021
0
170
0
plz help
Let f(x)=x^4-3x^2+2 and g(x)=2x^4-6x^2+2x-1. What is the degree of f(x) + g(x)?
Guest
Sep 21, 2021
0
271
1
word problem
A jar contains n nickels and d dimes. There are 22 coins in the jar, and the total value of the coins is $1.60. How many nickels and how many dimes are in the jar?
●
Guest
Sep 21, 2021
0
348
2
Number Theory
For each positive integer n, let S(n) denote the sum of the digits of n. How many three-digit n's are there such that S(n) = n (mod 9) ?
●
●
Guest
Sep 21, 2021
0
175
0
Polygon
If each exterior angle of a regular n-gon is $9$ how many sides must the polygon have
Guest
Sep 21, 2021
0
188
0
how to display answer in scientific notation
display in scientific notation
Guest
Sep 21, 2021
0
320
1
Algebra
The polynomial
f(x) = x^3 + 10x^2 + 27x - 38
has one integer root. What is it?
●
Guest
Sep 21, 2021
0
181
0
Number Theory
The inverse of a modulo 39 is b. What is the inverse of 14a modulo 39 in terms of b? Give your answer as an expression in terms of b.
Guest
Sep 21, 2021
0
219
1
geometry question
In the diagram below, line AB is parallel to line CD, EF = FG,
●
Guest
Sep 21, 2021
0
183
0
Coordinates
Write the equation of the line (in slope-intercept form) that passes through the points (1, 6) and (2, 8).
Guest
Sep 21, 2021
«
latest
9223
9222
..
7990
7989
7988
7987
7986
..
2
1
»
Post New Question
2 Online Users
Top Users
+128475
CPhill
moderator
+118609
Melody
moderator
+33616
Alan
moderator
+14915
asinus
moderator
+9519
MaxWong
+3144
admin
administrator
+2440
GingerAle
+1791
tomtom
+1484
bader
+1101
parmen
+1032
kittykat
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.