Wednesday
May 22, 2013

# Posts by Melanie

Total # Posts: 192

Anatomy and Physiology
Discussion Topic: Chemistry of Life, Cells, and Tissues Select an organ and provide an example of how it uses the following: carbohydrates, lipids, proteins, and nucleic acids. Also, describe an area of interest related to one of the types of molecules, for example, cholestero...

physics
A string under a tension of 43 N is used to whirl a rock in a horizontal circle of radius 3.3 m at a speed of 26.46 m/s. The string is pulled in, and the speed of the rock increases. When the string is 0.635 m long and the speed of the rock is 80.5 m/s, the string breaks. What...

A=LxW
Length of a rectangle is 13 cm less than 5 times it's width. Its area is 28 square cm. Find dimensions of rectangle

Geometry
how do you find the orthocenter of a triangle with the vertices A(4,0) B(-2,4) C(0,6)? Please explain to me how you get x after doing point slope form for the two slopes.

chemisty
give the conjugate base for HNO2

geometry
never mind...i understand

geometry
Hey Steve, Thanks....but how could it be -4?

geometry
what is the orthocenter of triangle with the vertices of X(-11,0), Y(-11,-8), Z(-1,-4)?