Respond to this Question
Similar Questions

Stats: Joint Density Function
Let the joint density function of X and Ybe given by: f(x)={kxy^2 for 0<x<y<1 (0 otherwise what is the value of k? Can someone please help me with this? The formula I used was: ))kxy^2 dx dy (where )) is double 
comparing fractions
A third grade class was given a multiplication quiz. The quiz had 10 problems. Any correctly answered 6 problems, Bobby answered 7 problems correctly, Tom answered 9 problems correctly, and Sue only answered 2 problems correctly. 
Ed Tech plz helppppp
What does it mean to troubleshoot your computer? identify problems with your computer and attempt to fix them*** to open your computer to see what's missing from the hard drive to switch the mouse and keyboard plugs to download 
Integral calculus
Please can anyone help with the following problems  thanks. 1) Integrate X^4 e^x dx 2) Integrate Cos^5(x) dx 3) Integrate Cos^n(x) dx 4) Integrate e^(ax)Sinbx dx 5) Integrate 5xCos3x dx The standard way to solve most of these 
Math  Indefinite Integration
Use integration by parts to solve: I = f (x^3)(e^(x^2)) dx (Let "f" represent the integral) Let u = (e^(x^2)), dx = (1) / (2x(e^(x^2))) du Let dv = x^3, v = (x^4) / (4) I = (1/4)(x^4)(e^(x^2))  (1/4) f (x^3) (2(e^(x^2))) du ... 
7th grade math check
Ok I was wondering if you could check these 3 problems please. I am suppose to set these equations equal but I am not sure if did them right. I think I accidently solved these systems as substitutions. The answers are suppose to 
Calculus  Integration by Parts
Please help me solve this integration problem. I don't understand how to do it. Thank you! ∫e^(2x)*sin(2x)dx 
MATH
On a test, Hailey answered 12 out of the first 15 problems correctly.If this rate continues, how many of the next 25 problems will she answer correctly? 
Integration
1. [integration] (3x+7sin(x))^2 dx i tried 3 different methods of integration but all of my answers are wrong. 2. [Integration]from 0 to 5 (3w3)/(w+6)dw i divided the numerator by the denominator and then tried to solve the 
English
I'm worried about my math. 1. Why don't you buy a math self teaching book and solve math problems a lot. 2. Why don't you buy a math selfstudy book and solve math problems a lot. 3. Why don't you go to a math academy and study