Questions Answered

UsukiDoll:
Group Title
quick question how do I change e^C to C for
$e^{lny}=e^{x+C}$
…
 updated 3 days ago
 47 replies
 6 Medals

Bieber896:
Group Title
is a negative number considered a whole number?
 updated 3 days ago
 5 replies
 No Medals Yet

babatee:
Group Title
this is completing the square 16x2 + 16x = 4
 updated 5 days ago
 3 replies
 No Medals Yet

Compassionate:
Group Title
What did we do in the last step http://prntscr.com/4nasbh
 updated 5 days ago
 4 replies
 2 Medals

zylaai:
Group Title
MEDAL + FAN !!! EASY HELP http://prntscr.com/4nalk0
 updated 5 days ago
 8 replies
 1 Medal

artofspeed:
Group Title
LINEAR ALGEBRA HELP PLZ!!
http://puu.sh/bB2vr/61b1c4f28b.png
 updated 5 days ago
 6 replies
 2 Medals

UsukiDoll:
Group Title
http://math.stackexchange.com/questions/931921/findtheparticularsolutionofux2uy4uexysatisfyingthefollowings
 updated 4 days ago
 29 replies
 No Medals Yet

mickey4691:
Group Title
Given the matrices A and x,
solve:
a) Ax=x for x
…
 updated 6 days ago
 12 replies
 2 Medals

Beast_Giron:
Group Title
X^2+9y^2
__________ if x=3 and y=1
X^29y^2
 updated 6 days ago
 7 replies
 1 Medal

UsukiDoll:
Group Title
http://math.stackexchange.com/questions/930314/findasolutiongxthatsatisfiesthepdeux3uyu1
 updated 6 days ago
 7 replies
 No Medals Yet

xoalybabyxo:
Group Title
probability questions will be the death of me.
Ethan rolled a 6sided die. What is the probability he gets a number greater than 4 or an…
 updated 7 days ago
 6 replies
 1 Medal

dane1211:
Group Title
if log (x+y)/7=1/2(logx+logy) prove that x/y+y/x=47
 updated 7 days ago
 22 replies
 1 Medal

UsukiDoll:
Group Title
find some constants $a$ and $b$ (not both zero), such that $u(x,y)=f(ax+by)$ is a generic solution, where $f$ is an arbitrary $C^1$ function…
 updated 7 days ago
 44 replies
 2 Medals

UsukiDoll:
Group Title
http://math.stackexchange.com/questions/927336/usingseparationofvariablestosolveutt16uxxuxt
 updated 10 days ago
 12 replies
 No Medals Yet

tiharris19:
Group Title
(67i)(99i)
simplify in form a+bi
 updated 11 days ago
 5 replies
 1 Medal

UsukiDoll:
Group Title
suppose I want to multiply 2 x 5 in base 2. I know how to create the table but then I am stuck. I know 2 x 5 = 10 but that's base 10. I don'…
 updated 11 days ago
 58 replies
 3 Medals

xlilly:
Group Title
Calculate (a^14)(a^18)
Would i just subtract the powers or do i have to multiply it all?
 updated 11 days ago
 7 replies
 1 Medal

Kainui:
Group Title
What's the answer to this differential equation if n is the nth derivative.
 updated 13 days ago
 10 replies
 4 Medals

Adrian93334:
Group Title
help
 updated 13 days ago
 2 replies
 No Medals Yet

MarrBear:
Group Title
Sally is playing a board game and rolls two number cubes. Let A = {the sum of the number cubes is odd} and let B = {the sum of the number cu…
 updated 13 days ago
 30 replies
 No Medals Yet

mollykenney:
Group Title
Determine whether the given ordered pair is a solution of the given system
a.(1,3) {5x+2y=11}
…
 updated 13 days ago
 7 replies
 1 Medal

Player12345:
Group Title
sec theta = 9 what is everything else
 updated 13 days ago
 22 replies
 1 Medal

jada1701877:
Group Title
I'll give you a medal
 updated 12 days ago
 17 replies
 2 Medals

mony01:
Group Title
Determine whether the equation is separable or not. Write separable ones in separable form. Determine constant solutions, if any.
y'=ln(ty)
 updated 13 days ago
 6 replies
 No Medals Yet

UsukiDoll:
Group Title
http://math.stackexchange.com/questions/923137/findasolutiontolaplacesequationthatsatisfiespolarcoordinatesandshow
 updated 13 days ago
 110 replies
 1 Medal

jada1701877:
Group Title
@UsukiDoll and @Mokeira what happened to the question?? My internet went hase and it sadi error page not find. Deleted...
 updated 13 days ago
 16 replies
 1 Medal

mathmetics:
Group Title
prove statement by mathematical induction:
1+3+5+ ... + (2n1)=n^2
I got up to
…
 updated 13 days ago
 6 replies
 3 Medals

larissa77:
Group Title
Can anyone help with calculus homework? I am a failing calculus learner that needs a lot of help with homework that is due today. Any help w…
 updated 12 days ago
 34 replies
 1 Medal

jamietangy:
Group Title
find the domain. y=3x+12
 updated 14 days ago
 6 replies
 1 Medal

hartnn:
Group Title
Find the inverse ZTransform of 
f(z)=(z+2)/(z^22z+1) ,z>1
…
 updated 14 days ago
 38 replies
 3 Medals
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