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
230427 Questions
0
260
1
Counting
A committee is to be made up from a group of eight candidates. The committee must consist of at least two people. How many ways can the committee be chosen?
●
Guest
Jan 24, 2022
0
276
1
Algebra
If (w + 13)^2 = (3w + 7)(2w + 5), solve for w.
●
Guest
Jan 24, 2022
0
218
1
quadratic
The quadratic equation 2x^2 + bx + 2 = 0 has a double root. Find all possible values of b.
●
Guest
Jan 24, 2022
0
343
3
Suppose a and b are different prime numbers greater than 2. How many whole-number divisors are there for the integer ?
Suppose a and b are different prime numbers greater than 2. How many whole-number divisors are there for the integer ?
●
●
●
Guest
Jan 24, 2022
0
236
2
Pls help. Genius if correct!
Find the sum of all real values of that satisfy
●
●
Guest
Jan 24, 2022
0
238
1
HELP PLEASE
Find the constant term in the expansion of
\[\Big(2z - \frac{1}{\sqrt{z}}\Big)^9.\]
read more ..
●
Guest
Jan 24, 2022
+2
301
2
I need help
Jack made cookies for Remembrance Day. He made 2 1/3 dozen chocolate cookies, 1 dozen peanut cookies, and 1 1/2 dozen oatmeal cookies. If he puts the same number of each cookie in each bag and has no cookies left over, what is the largest number of bags
read more ..
●
●
Guest
Jan 24, 2022
0
297
2
Help.
Peter likes to learn about Australia. He saved 12 one-dollar bills to buy a book about kangaroos. After he paid for the book, he had 1/3 of his one-dollar bills left. How many one-dollar bills were left?
●
●
Guest
Jan 24, 2022
0
162
0
Counting problem
Let K be the number of pairs of positive integers (a, b) with 1 <= a, b <= 10. Let L be the number of pairs of positive integers (c, d) with 1 <= c, d <= 10. Let M be the number of pairs of positive integers (e, f) with 1 <= e <= f <=
read more ..
Guest
Jan 24, 2022
0
205
1
Help please
There were 30 tumbleweeds in the pasture. Eric's father asked him to move them out of the pasture because they scared the cattle. Eric moved a third of them before lunch. After lunch, he threw the rest of them in a pile and burned them. How many tumbleweeds
read more ..
●
Guest
Jan 24, 2022
0
239
0
+82
Absolute Value Function Question
For the quadratic function, y= -x^2-2x+8, identify the following:
a) The equation of the reciprocal function
b) Vertical and horizontal asymptotes of the reciprocal function
read more ..
JuliaJ5
Jan 24, 2022
+1
281
2
Counting
How many rectangles are in this figure? Each angle is a right angle.
●
●
Guest
Jan 24, 2022
0
288
1
+82
Absolute Value Function Question
The function f(x) < 0 when -2 < x < 1. Which of the following is true about the function |f(x) | ?
a) |f(x) | = - f(x) when -1 < x < 2
read more ..
●
JuliaJ5
Jan 24, 2022
0
280
1
Counting problem
How many distinct sums can be obtained by adding three different numbers from the set {3, 6, 9, ... ,27 , 30 }?
●
Guest
Jan 24, 2022
0
283
1
Polynomials
We have that 3f(x) + 4g(x) = h(x) where f(x), g(x), and h(x) are all polynomials in x. If the degree of f(x) is 4 and the degree of h(x) is , then what is the minimum possible degree of g(x)?
●
Guest
Jan 24, 2022
0
302
4
plz help
What is the sum of all possible values of x such that 2x(x + 10) = -50?
●
●
●
●
Guest
Jan 24, 2022
0
277
1
Algebra
The quadratic 2x^2 - 3x + 29 has two imaginary roots. What is the sum of the squares of these roots? Express your answer as a decimal rounded to the nearest hundredth.
●
Guest
Jan 24, 2022
0
169
0
Number Theory
An integer n is said to be square-free if the only perfect square that divides n is 1. How many positive odd integers greater than 1 and less than are square-free?
Guest
Jan 24, 2022
0
270
1
Algebra
Simplify (sqrt(5) + sqrt(45) + sqrt(125) )^2
●
Guest
Jan 24, 2022
0
170
0
Sequence problem
What is the greatest positive integer that must divide the sum of the first terms of any arithmetic sequence whose terms are positive integers?
Guest
Jan 24, 2022
0
197
0
Number Theory
Given that a is a multiple of 456, find the greatest common divisor of 3a^3 + a^2 + 4a + 57
Guest
Jan 24, 2022
0
215
0
Geometry
Let T be a point inside square EFGH such that TE = sqrt(6), TF = 2*sqrt(3), and TG = . Find angle ETF, in degrees.
Guest
Jan 24, 2022
0
470
1
What is the square of the imaginary part of the center of the circle with the equation |z-i|/|z-1|=3
What is the square of the imaginary part of the center of the circle with the equation
|z-i|/|z-1|=3
●
Guest
Jan 24, 2022
0
274
1
fractions
Karly is making a new dance outfit. She needs 2 ½ yards of fabric for the shawl. She needs 1 ¾ yards of fabric for the dress. If she has 3 yards of fabric, how much more does she need. If each yard of fabric costs $7.98, how much
read more ..
●
Guest
Jan 24, 2022
0
635
1
Karly is making a new dance outfit. She needs 2 ½ yards of fabric for the shawl. She needs 1 ¾ yards of fabric for the dress. If she has 3
Karly is making a new dance outfit. She needs 2 ½ yards of fabric for the shawl. She needs 1 ¾ yards of fabric for the dress. If she has 3 yards of fabric, how much more does she need. If each yard of fabric costs $7.98, how much
read more ..
●
Guest
Jan 24, 2022
«
latest
9216
9215
..
8190
8189
8188
8187
8186
..
2
1
»
Post New Question
7 Online Users
Top Users
+128406
CPhill
moderator
+118608
Melody
moderator
+33614
Alan
moderator
+14903
asinus
moderator
+9519
MaxWong
+3144
admin
administrator
+2440
GingerAle
+1763
tomtom
+1409
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.