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Area of a surface of revolution

NOTE: we are supposed to use the definition of the Area of a Surface of Revolution to solve this problem. I have attached this formula in a word document. The problem: Given: y = -x^2 + 4x defined on the closed domain [0,4] Revolve the graph about the x-axis. Find the area of the surface obtained.

Subject:

Math

Topic:

Calculus

Posting ID:

4908

OTA ID:

103074

View Details $1.99 Download Add to Cart

center of mass for a plane region

I need to see how to find the centroid coordinates by using integrals and moments. I have attached the formulas to use and the answers I received in a word document. The answer I keep getting is (0,4.79) Here is the problem: Given: y = 9 - x^2, y = 2 Find the coordinates of the centroid of the above plane region. Thanks.

Subject:

Math

Topic:

Calculus

Posting ID:

4922

OTA ID:

103074

View Details $1.99 Download Add to Cart

Surface of the area of revolution

We are supposed to use the definition of the Area of a Surface of Revolution to solve this problem. I have attached this formula and the answers I received in a word document. The problem: Given: y = -x^2 + 4x defined on the closed domain [0,4] Revolve the graph about the x-axis. Find the area of the surface obtained. Thanks.

Subject:

Math

Topic:

Calculus

Posting ID:

4923

OTA ID:

103284

View Details $1.99 Download Add to Cart

How to write line equation knowing the points

Write an equation and sketch a graph of the line through the points (-4,-3) and 3,12)

Subject:

Math

Topic:

Calculus

Posting ID:

4952

OTA ID:

103137

View Details $1.99 Download Add to Cart

Solving trigonometric identities.

Solve for x: a) sin(^2)x=cosx-1 b) sin2x=cosx c) sin2x=2sinx

Subject:

Math

Topic:

Calculus

Posting ID:

4990

OTA ID:

103137

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