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
230591 Questions
0
225
2
Quadratics..help please
X^4+64=0, solve for x , real and otherwise
●
●
Guest
Sep 22, 2021
0
180
0
Algebra
The solutions of x(3x-7) = -8 may be expressed in the form m + sqrt n / p and m - sqrt n / p , where m, n, and p have a greatest common divisor of 1. Find m+n+p.
Guest
Sep 22, 2021
0
215
1
Help
Arul, Bill and Carl had 528 charity coupons. Arul gave 3/8 of his charity
coupons to Bill and 1/6 of his charity coupons to Carl. After that, all 3 boys
had the same number of charity coupons.
read more ..
●
Guest
Sep 22, 2021
0
172
0
Coordinates
Suppose P is the point (5,3) and Q is the point (6,-3). Find point T such that Q is the midpoint of segment PT.
Guest
Sep 22, 2021
0
216
1
System
Find the ordered triplet (x,y,z) for the following system of equations:
x + 3y + 2z = 1
-3x - y + 5z = 10
-2x - 3y + 2z = 7
read more ..
●
Guest
Sep 22, 2021
0
327
1
Geometry
In a rhombus, all the sides lengths are 10, and one of the angles is equal to 120 degrees. Find the area of the rhombus.
●
Guest
Sep 22, 2021
0
664
1
Victoria is 4 years older than her neighbor. The sum of their ages is no more than 14 years.
Victoria is 4 years older than her neighbor. The sum of their ages is no more than 14 years.
Enter an inequality that can be used to represent where x represents Victoria's neighbor's age.
●
Guest
Sep 22, 2021
0
198
0
help geoemetry
In triangle ABC, we have that AB = AC = 14 and $BC = 20.$ What is the length of the shortest angle bisector in ABC? Express your answer in simplest radical form.
Guest
Sep 22, 2021
0
319
1
Solve for x.
Solve for x.
9≤17−4x
Enter your answer, as an inequality
read more ..
●
Guest
Sep 22, 2021
0
232
1
Counting
Find the number of 10-digit numbers, where the sum of the digits is divisible by 3.
●
Guest
Sep 22, 2021
0
303
1
help algebra
A pipe is to be cut up such that the second piece is 3 inches shorter than the first and the third piece isfour inches more than the first. How long is cach piece if the pipe is 84 inches long?
●
Guest
Sep 22, 2021
0
251
1
Help electricpavlov or anyone can help me
Jason bought some bookmarks and gave half to them to Kelvin. Kelvin
bought some stickers and gave half of them to Jason.
Then Jason gave 7 bookmarks to his brother and found that he had 1/9 as
read more ..
●
Guest
Sep 22, 2021
0
247
1
This needs to be solved
https://web2.0calc.com/questions/kindly-help-with-this-question-much-appreciated
●
Guest
Sep 22, 2021
0
301
4
helpp!thankyou!
A bag of marbles is divided among Alvin and Theodore in the ratio of 2:3. After Alvin gives 2 marbles to Theodore, the ratio becomes 3:5. Find the original number of marbles that was shared among the two friends.
●
●
●
●
Guest
Sep 22, 2021
0
316
1
Algebra
A 40-inch board is to be cut into three pieces so that the second piece is 3 times as long as the first piece and the third piece is 4 times as long as the first piece. What is the length of the first piece?
●
Guest
Sep 22, 2021
0
289
1
Geometry
Find the value of y if the measures of the interior angles of a convex decagon are 5yº, 5yº, 8yº, 8yº, 9yº, 9yº, 9yº, 9yº, 9yº, and 9yº.
●
Guest
Sep 22, 2021
0
407
1
A hamster running in a wheel of radius 14 cm spins the wheel at 35 revolutions per minute.
A hamster running in a wheel of radius 14 cm spins the wheel at 35 revolutions per minute.
●
Guest
Sep 22, 2021
0
320
1
Coordinates
Three vertices of a rectangle in the standard (x,y) coordinate plane have the coordinates (-2,3), (4,3) and (4,2).
What are the coordinates of the fourth vertex?
●
Guest
Sep 22, 2021
0
228
1
Number Theory
Find the remainder when 2^70 + 3^70 is divied by 13*5.
●
Guest
Sep 22, 2021
0
210
1
Number Theory
Find the remainder when you divide 3^100 by 23*3.
●
Guest
Sep 22, 2021
0
322
1
Geometry
A cubic block of wood with side lengths of 10 cm is cut into smaller cubes with side lengths of $2$ cm. What is the ratio of the surface area of the larger block of wood to the combined surface area of the smaller blocks of wood? Express your answer as
read more ..
●
Guest
Sep 22, 2021
0
218
1
Geometry
The diameter of the semicircle with center O shown below, is 4 units. What is the perimeter of the shaded region?
read more ..
●
Guest
Sep 22, 2021
0
307
1
help coordinates
What is the equation of a line in slope intercept form parallel to 2x-y=2 and passes through point (1,10)?
●
Guest
Sep 22, 2021
0
365
5
Help itz due in 10 mins
Marathon runner A runs at a speed of 7.5 miles per hour (MPH) while the rate of runner B is 8.3 miles per hour (MPH). If the current position of runner A is at the 25-mile mark and runner B is at the 23-mile mark, in how many hours will it take for them
read more ..
●
●
●
●
●
Guest
Sep 22, 2021
0
387
3
plz help
In how many ways can 36 be written as the product a*b*c*d*e, where a, b, c, d, and e are positive integers such that a <= b <= c <= d <= e?
●
●
●
Guest
Sep 22, 2021
«
latest
9222
9221
..
7992
7991
7990
7989
7988
..
2
1
»
Post New Question
1 Online Users
Top Users
+128474
CPhill
moderator
+118609
Melody
moderator
+33615
Alan
moderator
+14913
asinus
moderator
+9519
MaxWong
+3144
admin
administrator
+2440
GingerAle
+1791
tomtom
+1484
bader
+1085
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.