jk_16
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Questions Answered

jk_16:
Group Title
For what integer values of n is xy a factor of x^n  y^n?
 updated one year ago
 2 replies
 3 Medals
Mathematics

jk_16:
Group Title
oxidationreduction question..
MnO4(2)
Mn+4(2)=2
…
 updated one year ago
 4 replies
 1 Medal
Mathematics

jk_16:
Group Title
I was able to solve the problem but I dont know why.
problem: S + O2 > SO2; 2.6*10^7 tons of SO2 formedhow many tons of sulfur??
…
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

jk_16:
Group Title
How to partial fraction decomp for:
1/[s^2(s3)^2]
…
 updated one year ago
 5 replies
 No Medals Yet
Mathematics

jk_16:
Group Title
How many grams of ZnSO4 will be made from 50grams of Zn and 50grams of K2Cr2O7?
4Zn + K2Cr2O7 + 7H2SO4=4ZnSO4 + 2CrSO4 + K2SO4 + 7H2O
 updated 2 years ago
 6 replies
 1 Medal
Mathematics

jk_16:
Group Title
How many grams of ZnSO4 will be made from 50grams of Zn and 50grams of K2Cr2O7?
4Zn + K2Cr2O7 + 7H2SO4=4ZnSO4 + 2CrSO4 + K2SO4 + 7H2O
 updated 2 years ago
 2 replies
 1 Medal
Mathematics

jk_16:
Group Title
calculate the quantity of heat in KJ required to raised the temp. of 2.15kg iron bar 24c (specific heat iron=.473J/gc)..answer in KJ
 updated 2 years ago
 1 reply
 No Medals Yet
Mathematics

Brittni0605:
Group Title
I need help with integrals. I don't understand the basic rules. Therefore, I cant evaluate. Help would be much appreciated.
 updated 2 years ago
 31 replies
 No Medals Yet
Mathematics

jk_16:
Group Title
Question is attached..on calculus (derivatives) and induction for higher order derivatives
 updated 2 years ago
 16 replies
 1 Medal
Mathematics

jk_16:
Group Title
how would I find this??
 updated 2 years ago
 3 replies
 No Medals Yet
Mathematics

jk_16:
Group Title
how would I find the second derivative of uv with respect to x
exact notation:
 updated 2 years ago
 1 reply
 No Medals Yet
Mathematics

jk_16:
Group Title
how do you evaluate this limit??
Limit as x>a
[f(x)m(xa)c]/[xa]
…
 updated 2 years ago
 1 reply
 No Medals Yet
Mathematics

jk_16:
Group Title
why is
((m(xa)+c))
equal to
…
 updated 2 years ago
 5 replies
 1 Medal
Mathematics

jk_16:
Group Title
m1, m2, m3, Radius, coeffiction of friction U
 updated 2 years ago
 2 replies
 No Medals Yet
Mathematics

jk_16:
Group Title
mass1 pulled down by m2 using a pulley system..
kinetic friction of u..find velocity after distance D
 updated 2 years ago
 2 replies
 No Medals Yet
Mathematics

jk_16:
Group Title
A cutting tool several forces acting on it. One force is F=axy^2 j , a force in the negative ydirection whose magnitude depends on the pos…
 updated 2 years ago
 16 replies
 1 Medal
Mathematics

jk_16:
Group Title
need to find the integral of the differention so
integral dv from 0 to 10
not sure what to do with the dv
 updated 2 years ago
 10 replies
 1 Medal
Mathematics

jk_16:
Group Title
why is 17/3 have remainder 2?
 updated 2 years ago
 3 replies
 No Medals Yet
Mathematics

jfluth:
Group Title
let X={a,b,c,d}. show that R={(a,a),(b,b),(c,c),(d,d),(a,b),(b,a)} is an equivalence relation in X.
 updated 2 years ago
 3 replies
 1 Medal
Mathematics

jk_16:
Group Title
sadly forgot how to solve this..
36x=15
 updated 2 years ago
 4 replies
 3 Medals
Mathematics

jk_16:
Group Title
in air resistance (drag) is acceleration constant??
 updated 2 years ago
 14 replies
 No Medals Yet
Mathematics

badreferences:
Group Title
I will post, in this thread, a quick outline of the resources needed to selfstudy mathematics, statistics, and physics. (Edit: And basic ph…
 updated 2 years ago
 22 replies
 11 Medals
Mathematics

fall2012:
Group Title
if time t is the time taken by a weighted glider to travel to some distance (d), what equation will yield the gliders acceleration?
…
 updated 2 years ago
 3 replies
 1 Medal
Mathematics

ieatpi:
Group Title
Can someone check this integral for me?
 updated 2 years ago
 23 replies
 1 Medal
Mathematics

lgbasallote:
Group Title
Show that: \[\overline{A \cap B} \equiv \overline A \cup \overline B\]
 updated 2 years ago
 21 replies
 No Medals Yet
Mathematics

vbfn:
Group Title
for any operator T, show T+T* is selfadjoint and TT* is skewadjoint
 updated 2 years ago
 6 replies
 No Medals Yet
Mathematics

lilly21:
Group Title
calculus help! can some check my answer to the following q? find the derivative of the function.......y=(1+e^x/1e^x)
 updated 2 years ago
 70 replies
 1 Medal
Mathematics

jk_16:
Group Title
in the integration by pats video (ocw mit)
prof puts
integral 1dx=x +c
…
 updated 2 years ago
 2 replies
 No Medals Yet
Mathematics

3343890496:
Group Title
f(x)=3x
 updated 2 years ago
 13 replies
 No Medals Yet
Mathematics

Returning_Student:
Group Title
lim x>+inf 10x^2+200x+2/ 2x^6+3 Estimate the limit numerically
 updated 2 years ago
 9 replies
 2 Medals
Mathematics
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