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
230895 Questions
0
216
1
Geometry
The lengths of two sides of ABC are 15 and 20, and the triangle perimeter is 50. What is the third side of ABC?
●
Guest
Sep 23, 2021
0
221
1
help geometry
The side lengths of a right triangle measure x, x + y, and x + 2y units where 0 < y < x. What is the value of y/x? Express your answer as a common fraction
●
Guest
Sep 23, 2021
0
347
1
Please help
One of the track and field events is the triple jump. In this event, the
athlete takes a running start band makes three jumps without stopping. Find
the total length of 3 jumps for an athlete who jumped feet on the first
one, feet
read more ..
●
Guest
Sep 23, 2021
0
369
1
Oscar wants to use 3/4 of an ounce of chocolate syrup on each sundae he
Oscar wants to use 3/4 of an ounce of chocolate syrup on each sundae he
makes for his friends. How many sundaes can he top with the syrup if the
jar he has contains 9 ounces of syrup?
●
Guest
Sep 23, 2021
0
359
2
help Number Theory
There are 12 ordered pairs of integers (x,y) that satisfy x^2 + y^2 = 25. What is the sum of all the x-values?
●
●
Guest
Sep 23, 2021
0
287
0
A box of cereal contains 15 3/5 ounces of cereal. If a bowl holds 2 2/5 ounces of cereal, how many bowls of cereal are in one box?
A box of cereal contains 15 3/5 ounces of cereal. If a bowl holds 2 2/5 ounces of
cereal, how many bowls of cereal are in one box?
Guest
Sep 23, 2021
0
315
0
+4
How to calculate the cost of a wooden fence using a calculator?
Online calculator of wooden fences helps to calculate the number of materials and the cost of the job for the installation of pine and cedar, horizontal and pickets board on board fences and gates quite accurately.
The construction calculator
read more ..
knockfence
Sep 23, 2021
0
372
6
help Number Theory
Suppose that x,y,z are positive integers satisfying x is less than or equal to y is less than or equal to z, and such that the product of all three numbers is three times their sum. What is the sum of all possible values of z?
●
●
●
●
●
●
Guest
Sep 23, 2021
-4
478
2
+73
For the given angle x in the triangle given in the graph
For the given angle x in the triangle given in the graph
●
●
GAMEMASTERX40
Sep 23, 2021
0
168
0
Coordinates
What is the equation of the line in slope-intercept form that is parallel to the line y=-4x+6 and passes through the line (2, 7)
Guest
Sep 23, 2021
0
176
0
Algebra
What is the value of n such that $10^n = 10^{-5}\times \sqrt{\frac{10^{78}}{0.1}}$?
Guest
Sep 23, 2021
0
170
0
Algebra
What is the solution set for (2x - 7)^2 = 25?
Guest
Sep 23, 2021
0
397
1
Simplify. (6+7i)(3−4i)
Simplify. (6+7i)(3−4i)
enter answer in standard form
●
Guest
Sep 23, 2021
0
238
3
Need help, many thanks.
There were 310 more women than men at a musical theatre. After 5/6 of the women and 3/4 of the men had left, there were 25 more women than men remaining behind. How many women were there at the musical theatre at first?
●
●
●
Guest
Sep 23, 2021
0
228
1
Number Theory
Use the Euclidean algorithm to find integers x and y such that 164x+39y=1. State your answer as a list with x first and y second, separated by a comma.
●
Guest
Sep 23, 2021
0
191
0
help geometry
P is the midpoint of BD . AP = BP = 4. In simplest radical form, what is the area of pentagon ABCDP?
Guest
Sep 23, 2021
0
213
0
help pls
A student played a computer game 500 times and won 370 of these games.
He then won the next x games and lost none
He has not won 75% of the games he has played
Find the value of x.
Guest
Sep 23, 2021
0
240
1
need help
The expression x^2 + 15x + 54 can be written as (x + a)(x + b), and the expression x^2 - 17x + 72 written as (x - b)(x - c), where a, b, and c are integers. What is the value of a+b+c?
●
Guest
Sep 23, 2021
0
302
1
Precalc
Find the acute angle A such that sin 7A = cos 8A.
●
Guest
Sep 23, 2021
0
223
1
Algebra
Find the cost of a pencil and eraser if two pencils and three erasers cost 140 dollars, and fivepencils and four erasers cost 250 dollars.
●
Guest
Sep 23, 2021
0
211
0
if 5 choc ices cost 345 cents how much do 11 choc ices cost
if 5 choc ices cost 345 cents how muhc do 11 choc ices cost
Guest
Sep 23, 2021
0
175
0
Word problem
The sum of two numbers is 11. Twice the first number minus the second number is 7 Find the numbers.
Guest
Sep 23, 2021
0
184
0
plz help
What are the ordered pairs of the solutions for this system of equations?
f(x) = x^2 - 2x + 3
f(x) = -6x
read more ..
Guest
Sep 23, 2021
«
latest
9234
9233
..
7994
7993
7992
7991
7990
..
2
1
»
Post New Question
6 Online Users
Top Users
+128577
CPhill
moderator
+118608
Melody
moderator
+33616
Alan
moderator
+14927
asinus
moderator
+9589
MaxWong
+3144
admin
administrator
+2440
GingerAle
+1791
tomtom
+1679
wiseowl
+1592
bader
+1145
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.