# area by integration

## moment of inertia of an area with respect to the line x = 2

Submitted by Roydon Jude S. ... on March 16, 2016 - 4:48pm

The moment of inertia bounded by y=x^3 , y=2x , X + y= 6, with respect to x=2 pa help po until Friday. Plus ask ko Lang po ang pinakakapakipakinabang na calculus book for integration applications. Thanks.

## patulong naman po kung pano isolve 2.

Submitted by Paulo Garcia on September 11, 2015 - 6:46pm

plane areas

Find the area bounded by the curve y = ln x/x, the x-axis and the maximum ordinate.

ans. 1/2

## MATHalino 2020 (Ito Yung Last sa Paatras) Solid mensuration problem

Submitted by miich on March 16, 2015 - 7:42pm

1)An excavation is 12 ft. deep and has trapezoidal sides (faces). The upper base is horizontal rectangle 400 ft. by 180 ft., and the lower base is a horizontal rectangle 350 ft. by 150 ft. How many cubic yards of earth were removed in digging the excavation?