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
231244 Questions
0
588
2
bet u cant
Evaluate if m = −32, n = 2, p = −8 and r = 4
prn +m
●
●
Guest
Feb 4, 2021
0
547
1
correct equation
How many people (x) must attend the third show so that the average attendance per show is 3000? Choose the correct equation.
●
Guest
Feb 4, 2021
0
418
1
+4
Help Urgent PLS
Suppose the decimal 0.28 is = to 1/n +1/n^2, where n is negative. Find n.
●
Kethu101
Feb 4, 2021
0
453
1
interest rate
Angela has deposited $\$8,\!000$ into an account that pays $6\%$ interest compounded annually.
Bob has deposited $\$10,\!000$ into an account that pays $8\%$ interest compounded annally.
read more ..
●
Guest
Feb 4, 2021
0
482
2
Find a polynomial
Find a polynomial function whose graph passes through (6,12), (11, - 12), and (0,5).
●
●
Guest
Feb 4, 2021
0
429
2
Help!
5) (n, k) are positive integers, solve n(n + 2) = k^2
6) (n, k) are positive integers, solve n(n + 4) = k^2
read more ..
●
●
Guest
Feb 4, 2021
+1
522
2
+14
Percentage
In a class of 25 students, 12 are wearing a white shirt and 15 are wearing black shoes. what is the percentage of students that have both?
●
●
ALittleTap
Feb 4, 2021
0
467
1
pop
545787 time 854376 = i know do you
●
Guest
Feb 4, 2021
-1
401
1
+216
Math help please
Find the modulo 7 remainder of the sum
●
Jmaster10
Feb 4, 2021
0
255
0
probability
A box contains 5 red playing cardsnumbered one to six and 6 blue playing cards numbered one to three. You randomly select a card from the box, what is the probability that the card is numbered one or two?
Guest
Feb 4, 2021
-1
432
3
+193
Domain and Range
What is the domain of the function $$f(t) = \frac{1}{(t-1)^2+(t+1)^2}~?$$
Express your answer in interval notation.
●
●
●
clairepow
Feb 4, 2021
0
424
1
plz help
The Rodriguez family went to dinner at Pasta Palace. The family ordered food that totaled $\$42.50$. The sales tax rate was 7.25% and they left a 15% tip. How much was the total bill?
●
Guest
Feb 4, 2021
-1
398
3
+193
Piecewise-Defined Function
If
\[f(x) =
\begin{cases}
2x-5 &\quad \text{if } x \ge 3, \\
-x + 5 &\quad \text{if } x < 3,
\end{cases} <#> \]
then for how many values of $x$ is $f(f(x)) = 3$?
●
●
●
clairepow
Feb 4, 2021
0
338
1
Help asap!!!
If we express $3x^2 - 6x - 2$ in the form $a(x - h)^2 + k$, then what is $a + h + k$?
●
Guest
Feb 4, 2021
0
450
6
PLEASE HELP ASAP! THANKS!
Let AB be a diameter of a circle, and let C be a point on the circle such that AC = 8 and BC = 6. The angle bisector of < ACB intersects the circle at point M. Find CM.
read more ..
●
●
●
●
●
●
Guest
Feb 4, 2021
0
315
1
Help
How many values of $r$ are there such that $\lfloor r \rfloor + r = 15.5?$
●
Guest
Feb 4, 2021
0
490
1
algebra problem
Biking at 10 mph, it takes Kristen hour to reach the train station to go to work. Kristen then takes the train to work, and it takes another hour for her to get to work when the train travels 24 mph. How far does Kristen travel to work?
●
Guest
Feb 4, 2021
0
411
2
Help Me Please
Let
\[f(x) = \left\{
\begin{array}{cl} ax+3, &\text{ if }x>2, \\
x-5 &\text{ if } -2 \le x \le 2, \\
2x-b &\text{ if } x <-2.
\end{array} <#> \right.\]
read more ..
●
●
Guest
Feb 4, 2021
0
471
3
Help
Evaluate $\left\lfloor \left\lceil \left(\frac{13}{7}\right)^2\right\rceil+\frac{17}{4}\right\rfloor$.
.
●
●
●
Guest
Feb 4, 2021
+2
452
2
+22
how that each number is a rational number by writing it as a
how that each number is a rational number by writing it as a
quotient of two integers.
How do I do that with the number 21
read more ..
●
●
lukeor
Feb 4, 2021
0
455
1
What is the value of x in the diagram?
What is the value of x in the diagram?
●
Guest
Feb 4, 2021
0
299
0
Help
A box contains 93 balls: 22 purple, 17 aqua, 16 brown, 15 white, 12 black, and 11 red. A
sample of size N is drawn at random from the box. What is the smallest possible value of N that will ensure
that the sample will contain at least 14 balls of
read more ..
Guest
Feb 4, 2021
0
333
0
+8
a carpenter
a carpenter needs two different sizes of woods in triangular shape. He cut a piece of wood along TV and another one along UV which is perpendicular to TV. If m
Achilles
Feb 4, 2021
0
322
0
+8
a carpenter
a carpenter needs two different sizes of woods in triangular shape. He cut a piece of wood along TV and another one along UV which is perpendicular to TV. If m
Achilles
Feb 4, 2021
0
548
0
i need help
A company produces fruity drinks that contain a percentage of real fruit juice. Drink A contains 20% real fruit juice and Drink B contains 15% real fruit juice. The company used 100.5 liters of real fruit juice to make 30 more liters of Drink A than liters
read more ..
Guest
Feb 4, 2021
«
latest
9248
9247
..
7338
7337
7336
7335
7334
..
2
1
»
Post New Question
3 Online Users
Top Users
+128707
CPhill
moderator
+118612
Melody
moderator
+33616
Alan
moderator
+14931
asinus
moderator
+9664
MaxWong
+3144
admin
administrator
+2440
GingerAle
+1791
tomtom
+1679
wiseowl
+1610
bader
+1190
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.