Wednesday
May 22, 2013

# Posts by DJ

Total # Posts: 203

Math question

Calculus
(y/(x+9y))= (x^2)-7 at the point (1, -6/55) Use implicit differentiation to find the slope of the tangent line to the curve

Calculus
Use implicit differentiation to find the slope of the tangent line to the curve 2(x^2) + 2xy + 2(y^3)= -18

Calculus
f(x)= 6ln(2x+7ln(x)) I need to find the first derivative.

Chemistry
24.5 mL of concentrated HCl is diluted to make 455 mL of .256 M solution. What is the molarity of the concentrated HCl?

Calculus
(A) Given that P = {X0, X1, X2.......Xn} is an arbitrary partition of [a,b], find the lower and upper sum for f(x)=x+3. (B) Use your answers to part (a) to evaluate the integral of f(x) from a to b.

Calculus
A right circular cone is inscribed in a sphere of radius r. Find the dimensions of the cone that maximize the volume of the cone.

Calculus
Show that of all rectangles with diagonal length c, the square has the largest area.

physics
ohh.. now i've got it thank you

physics
You are given a vector in the plane that has a magnitude of 86.0 units and a component of -30.0 units. What are the two possibilities for its component?

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