klimenkov
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 Alik Klimenkov
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Questions Answered

Chelsea04:
Group Title
In the expansion of (2a − 1)^n, the coefficient of the second term is −192. Find the value of n.
 updated one year ago
 21 replies
 2 Medals
Mathematics

AravindG:
Group Title
Tips on solving rubik's cube ? :)
 updated one year ago
 29 replies
 No Medals Yet
Mathematics

Jellopudin:
Group Title
If p: All birds fly. What is ~ p?
 updated one year ago
 10 replies
 1 Medal
Mathematics

lebronjames:
Group Title
Find all solutions to the equation.
cos x = sin x
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

JenniferSmart1:
Group Title
I'm having trouble cancelling out my units.
\[(N \cdot \cancel{m^2}/\cancel{C^2)}\left[\frac{\cancel{C}}{\cancel{m}^2}+\frac{\cancel{C}}{\ca…
 updated one year ago
 13 replies
 3 Medals
Mathematics

clavoie:
Group Title
(a) Find the slope of the curve y=x^25x4 at the point P(3,10) by finding the limit of the secant slopes through point P.
(b) Find an eq…
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

artofspeed:
Group Title
integral: are these two expressions equal?
 updated one year ago
 7 replies
 No Medals Yet
Mathematics

richyw:
Group Title
show that f is continuous at every point, \(a\in\mathbb{R}\)
 updated one year ago
 10 replies
 1 Medal
Mathematics

Fey:
Group Title
Calculus: The region in the first quadrant bounded by the graphs of the equations y=(1/x), x=1, x=2, is revolved around the xaxis. Use the …
 updated one year ago
 10 replies
 No Medals Yet
Mathematics

AmTran_Bus:
Group Title
Velocity and acceleration mathematics question!
Don't be scared to open...
It looks long
 updated one year ago
 14 replies
 2 Medals
Mathematics

helloguys4321:
Group Title
Find all vectors v in the plane such that v=1 and v+i=1
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

AmTran_Bus:
Group Title
I really need help.
 updated one year ago
 36 replies
 2 Medals
Mathematics

klimenkov:
Group Title
@whpalmer4 asked an interesting question.
If there is only one 3digit number in the base \(b\) the sum of the numbers of which is \(b+1\) t…
 updated 6 months ago
 22 replies
 9 Medals
Mathematics

UnkleRhaukus:
Group Title
\[\newcommand\ve[1]{\vec{\boldsymbol #1}} % vector
\newcommand\uv[1]{\hat{\boldsymbol #1}} % unit vector
\begin{equation*}\ve A=\begin…
 updated one year ago
 29 replies
 2 Medals
Mathematics

klimenkov:
Group Title
Find all 3digit numbers such that the sum of the digits is 11 times less than the number.
 updated one year ago
 49 replies
 5 Medals
Mathematics

amoodarya:
Group Title
a(n)= sin (n! pi/7)
what is sup of sequence ?
…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

Bri_Love:
Group Title
realworld examples of exponential growth and decay
Can someone help me with this???
 updated one year ago
 6 replies
 1 Medal
Mathematics

Juliasawyer:
Group Title
What is the square root of negative 12
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

blkmrc:
Group Title
Who is the most important Mathematician in last century
 updated one year ago
 5 replies
 4 Medals
Mathematics

artix_17:
Group Title
Partial derivative, pls help !!
f(w,z)= w(w^2+z^2)^1
…
 updated one year ago
 13 replies
 1 Medal
Mathematics

cali2:
Group Title
factorise y^310y+3
 updated one year ago
 15 replies
 3 Medals
Mathematics

zugzwang:
Group Title
Let's have a little fun:
Factor out
x⁵ + 2x⁴ + 4x³ + 8x² + 16x + 32
 updated one year ago
 6 replies
 4 Medals
Mathematics

haleyking345:
Group Title
Find Area of triangle:
a=13m b=7m c=16m
I am not sure what i did wrong, could someone help me?
 updated one year ago
 4 replies
 1 Medal
Mathematics

alli4476:
Group Title
Hey guys I do not understand some questions that came up in math here they are
find the gcf of 14a^3b^7 and 21a^5b^2
…
 updated one year ago
 10 replies
 No Medals Yet
Mathematics

Zslivinforgod:
Group Title
A certain forest covers an area of 2100km . Suppose that each year this area decreases by 5.75%. What will the area be after 10 years?
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

MariaB2014:
Group Title
Simplify each expression: click to see please.
 updated one year ago
 7 replies
 2 Medals
Mathematics

klimenkov:
Group Title
A tutorial for @RolyPoly.
Linear independence of the vectors.
Check if the vectors \(\vec{v_1}=(1,0,1), \vec{v_2}=(2,1,3), \vec{v_3}=(1,1,…
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

ee2oo:
Group Title
Find an equation of the ellipsoid which passes through (1,1,2) (0,0,3) (1,2,1) and has the coordinate planes as planes of symmetry.
…
 updated one year ago
 1 reply
 1 Medal
Mathematics

ee2oo:
Group Title
If Ā = 2i 3j + k and B= i + 4j 2k are normals of the two planes, do the planes necessary intersect ? give the reason. If they inters…
 updated one year ago
 2 replies
 3 Medals
Mathematics

ivandelgado:
Group Title
Let A = {tshirt, tank} and let B = {shorts, pants}. Find A X B.
{tshirt, tank, shorts, pants}
…
 updated one year ago
 9 replies
 1 Medal
Mathematics
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