Zarkon
 Name:
 Lord Zarkon
 School:
 Planet Doom University
 About:
 Ph.D.s in Galactic Domination and Mathematical Statistics.
One day I hope to be ruler of the Universe. Also, there are infinity many twin primes.
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Questions Answered

Elise_a18:
Group Title
Which statement is true about the product square root of 2(5 + square root of 8)?
It is rational and equal to 7.
…
 updated 12 hours ago
 4 replies
 No Medals Yet
Mathematics

jaebond:
Group Title
How would you explain to a student that 1*3*5*...(2n+1) = 1*3*5*...(2n1)(2n+1)?
 updated 12 hours ago
 3 replies
 No Medals Yet
Mathematics

recon14193:
Group Title
arclength integration
 updated yesterday
 15 replies
 1 Medal
Mathematics

vera_ewing:
Group Title
Which of the following is the conjugate of a complex number with 2 as the real part and 7 as the imaginary part? (5 points)
…
 updated yesterday
 3 replies
 1 Medal
Mathematics

Softballgirl372015:
Group Title
How do you solve the problem 6*sin(3t) >0
…
 updated yesterday
 2 replies
 No Medals Yet
Mathematics

Tuta:
Group Title
is it A?
 updated yesterday
 2 replies
 No Medals Yet
Mathematics

quickstudent:
Group Title
Is this correct?
probability
 updated yesterday
 3 replies
 No Medals Yet
Mathematics

nickilak:
Group Title
Given that n(A)=15, n(B)=12, and n(A ∪ B)=17, what is n(A ∩ B)?
 updated yesterday
 6 replies
 No Medals Yet
Mathematics

TrojanPoem:
Group Title
Limits question.
 updated yesterday
 17 replies
 1 Medal
Mathematics

AaronAndyson:
Group Title
If sin A = cos A
Find the value of
2 tan^2 A  sec^ A + 5
…
 updated 2 days ago
 16 replies
 1 Medal
Mathematics

kpcoco:
Group Title
n(A)=13
n(A (intersects) B)=8
n(A U B)=20
…
 updated 3 days ago
 10 replies
 2 Medals
Mathematics

SithsAndGiggles:
Group Title
Some interesting integral identities.
\[I_n=\int_0^\infty \exp\left(x^n\right)\,dx=\Gamma\left(\frac{n+1}{n}\right)\\
J_n=\int_{\infty}^\i…
 updated 5 hours ago
 7 replies
 6 Medals
Mathematics

elaornelas:
Group Title
What is the derivative
 updated 3 days ago
 7 replies
 2 Medals
Mathematics

dareintheren:
Group Title
find the limit of
 updated 3 days ago
 4 replies
 No Medals Yet
Mathematics

NadiaElhaj_1:
Group Title
please help
…
 updated 4 days ago
 13 replies
 2 Medals
Mathematics

fiberdust:
Group Title
By using the definition of derivative to find the derivative of f(x) = cube root of x at x = a.
 updated 4 days ago
 6 replies
 2 Medals
Mathematics

PizzaLover123:
Group Title
Is the sample representative of the population?
…
 updated 4 days ago
 5 replies
 2 Medals
Mathematics

countrygirl18:
Group Title
how many solutions does 5x28x+1=0 have?
A. infinitely many roots
…
 updated 4 days ago
 3 replies
 No Medals Yet
Mathematics

calculusxy:
Group Title
Andy, Brenda, and Carla are running a race. In how many different ways can the student finish in first, second, and third place?
 updated 5 days ago
 18 replies
 1 Medal
Mathematics

calculusxy:
Group Title
There are 8 cubes in a box: 5 yellow cubes, 2 orange cubes, and 1 purple cube. If a cube is picked from the box at random, what is the sampl…
 updated 5 days ago
 23 replies
 1 Medal
Mathematics

calculusxy:
Group Title
What are the possible outcomes for tossing a penny, spinning a spinner, and rolling a fair cube?
 updated 5 days ago
 25 replies
 2 Medals
Mathematics

Fellowroot:
Group Title
given limit n goes to infinity of (Sn+1)/Sn = 1 >1
prove Sn goes to +infinity
…
 updated 6 days ago
 9 replies
 2 Medals
Mathematics

jbsoulrider:
Group Title
This is life or death please help?
Tina is planning to fence in an area for her dog. She wants to create a rectangular area of 1,600 squa…
 updated 6 days ago
 19 replies
 7 Medals
Mathematics

J.F:
Group Title
If a die is fair, what is the probability of an even number or a number greater than 3?
1/6 chance for a die
…
 updated 7 days ago
 2 replies
 1 Medal
Mathematics

jkasper:
Group Title
The standard deviation of a random variable is 7.20. If the random variable has 12 added to it and then is divided by 4, what is the new sta…
 updated 7 days ago
 1 reply
 1 Medal
Mathematics

PurpleTornado:
Group Title
Enya is standing in the centre square of a 9 x 9 grid. She travels outward one square at a time, moving diagonally or along a row or column.…
 updated 7 days ago
 2 replies
 No Medals Yet
Mathematics

alprincenofl:
Group Title
True or False?
The matrix B = A + A^T+A A^T is symmetric.
 updated 8 days ago
 3 replies
 1 Medal
Mathematics

mathmath333:
Group Title
\(\large \begin{align} \color{black}{\normalsize \text{A can run around a circular track in 4 min.} \hspace{.33em}\\~\\
\normalsize \text…
 updated 10 days ago
 7 replies
 2 Medals
Mathematics

Rachella:
Group Title
http://prntscr.com/67alg5
@cwrw238 @Luigi0210 @Compassionate @Zarkon @beccaboo333 @perl
 updated 11 days ago
 19 replies
 1 Medal
Mathematics

jbauer33:
Group Title
how do I find the integral of sin^3(x)cos^3(x)???
 updated 11 days ago
 1 reply
 No Medals Yet
Mathematics
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