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
230922 Questions
0
690
1
arithmetic sequence
Find the 73rd term of the arithmetic sequence -28, -41, -54, ...
●
Guest
Feb 15, 2021
0
505
1
So far, they have raised $240. This is `\frac{2}{5}` of the cost of the entire trip. How much money does the whole trip cost?
So far, they have raised $240. This is `\frac{2}{5}` of the cost of the entire trip. How much money does the whole trip cost?
●
Guest
Feb 15, 2021
0
388
1
4 cups of water make 2/3 ` batch of lemonade.
4 cups of water make 2/3 ` batch of lemonade.
How many cups of water are needed per 1 batch of lemonade?
●
Guest
Feb 15, 2021
0
410
1
+147
Difference of Squares
The positive difference between two consecutive odd perfect squares is 336. Compute the larger of the two squares.
●
powclaire
Feb 15, 2021
0
335
1
solve
Solve the equation y - b = m(x - a) for a.
●
Guest
Feb 15, 2021
0
430
3
Calc Help!
Heyo, usually i dont like using Help Forums since I like doing things myself but im really stumped on how to solve this.
The question is as follows:
The base of a solid is the region between the parabolas x=y^2 and 2y^2 =
read more ..
●
●
●
Guest
Feb 15, 2021
+1
440
1
+193
Domain and Range
What real values of $x$ are not in the domain of
$f(x)=\frac{1}{|x^2+3x-4|+|x^2+9x+20|}$?
●
clairepow
Feb 15, 2021
+2
399
1
+147
Difference of Squares
Let a and b be real numbers such that $a+b=-1$. Compute $a^2-b^2+a-b$.
●
powclaire
Feb 15, 2021
0
612
1
arithmetic sequence
Find the 90th term of the arithmetic sequence 16, 21, 26, ...
●
Guest
Feb 15, 2021
0
382
2
+205
Graphing Functions
In equation $y = \frac{x + A}{Bx + C}$, where $A,B,$ and $C$ are integers, what is $A + B + C$? (Use a graph if needed)
●
●
oliviapow06
Feb 15, 2021
0
1405
1
A wave has a frequency of 540 Hz and is traveling at 340 m/s. What is its wavelength
A wave has a frequency of 540 Hz and is traveling at 340 m/s. What is its wavelength
●
Guest
Feb 15, 2021
0
231
0
Calc and spheres
A sphere of radius 2 is centered at the origin. Find the volume of the part of sphere lying between x = 0 and x=1
Guest
Feb 15, 2021
0
401
1
Please help
Kaitlyn has a toy house shaped like a cube with a square pyramid on top that she wants to paint.
●
Guest
Feb 15, 2021
+1
280
1
+501
Domain and Range
What is the domain of the function $f(x)=\frac{x+6}{\sqrt{x^2-3x-4}}$?
●
ellapow
Feb 15, 2021
0
215
0
help with conic section
Write an equation for the conic section.
5. Hyperbola with vertices at (2, -3) and (2, 6) and foci at (2, -4) and (2, 7).
6. A Hyperbola with vertices at (2, 3) and (2, -3), and asymptotes with the equations: y =+- 3/2(x - 2).
read more ..
Guest
Feb 15, 2021
+1
396
1
+501
Graphing Functions
The graphs of $y=3-x^2+x^3$ and $y=1+x^2+x^3$ intersect in multiple points. Find the maximum difference between the $y$-coordinates of these intersection points.
●
ellapow
Feb 15, 2021
+1
288
1
+147
Piecewise-Defined Functions
If
\[f(x) =
\begin{cases}
x^2-4 &\quad \text{if } x \ge -4, \\
x + 3 &\quad \text{otherwise},
\end{cases} <#> \]
then for how many values of $x$ is $f(f(x)) = 5$?
●
powclaire
Feb 15, 2021
0
392
1
+205
Rational Expressions of Polynomials
What is the sum of all values of $y$ for which the expression $\frac{y+6}{y^2-5y+4}$ is undefined?
●
oliviapow06
Feb 15, 2021
0
403
1
geometry problem
In the diagram below of triangle TUV, W is a midpoint of TU and X is a midpointof UV. IfWX = 23 – 2x, and TV = 64 – 10x, what is the measure of TV?
read more ..
●
Guest
Feb 15, 2021
0
446
1
+205
Piecewise-Defined Functions
Let
\[f(x) = \left\{
\begin{array}{cl}
-x - 3 & \text{if } x \le 1, \\
\frac{x}{2} + 1 & \text{if } x > 1.
\end{array} <#> \right.\]
Find the sum of all values of $x$ such that $f(x) = 0$
.
read more ..
●
oliviapow06
Feb 15, 2021
0
407
1
+205
Rational Expressions of Polynomials
The integers $G$ and $H$ are chosen such that
\[\frac{G}{x+5}+\frac{H}{x^2-4x}=\frac{x^2-2x+10}{x^3+x^2-20x}\]
for all real values of except $-5$, $0$, and $4$. Find $H/G$.
read more ..
●
oliviapow06
Feb 15, 2021
0
405
0
+193
Advanced System of Equations
deleted - attempt dome of your own homework Clair.
clairepow
Feb 15, 2021
0
515
1
+147
Ceilings and Floors
Find $\left \lceil \frac{12}{7} \cdot \frac{-29}{3}\right\rceil - \left\lfloor \frac{12}{7} \cdot \left \lfloor \frac{-29}{3}\right \rfloor \right \rfloor$.
●
powclaire
Feb 15, 2021
0
438
1
stuck on geometry
In the diagram below of triangle BCD, E is a midpoint of BC and F is a midpoint of CD. If EF = 44 - 8x, and BD = 44 - 5x, what is the measure of BD?
read more ..
●
Guest
Feb 15, 2021
«
latest
9235
9234
..
7384
7383
7382
7381
7380
..
2
1
»
Post New Question
3 Online Users
Top Users
+128595
CPhill
moderator
+118608
Melody
moderator
+33616
Alan
moderator
+14929
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.