Thursday
December 12, 2013

# Posts by erica

Total # Posts: 485

calculus
A fence 8 feet tall stands on level ground and runs parallel to a tall building. If the fence is 1 foot from the building, find the shortest ladder that will extend from the ground over the fence to the wall of the building.

Managarial Finance
"Stephenson Real Estate Company was founded 25 years ago by the current CEO, Robert Stephenson. The company purchases real estate, including land and buildings, and rents the property to tenants. The company has shown a profit every year for the past 18 years, and the sha...

calculus derivative
find the derivative of: y=(x/(x+1))^3

calculus derivative HELP!
Find the derivative of: y=2sqrt(x)-(1/x)

FREE BODY DIAGRAM calculus
A car is traveling north towards an intersection at 60mph at the same time a truck is headed east toward the same intersection at 45mph. Find the rate of change of the distance between the car and truck when the car is 3 miles south of the intersection and the truck is 4 miles...

find the equation for the line tangent to the curve at the given point. y=((x^2)+1)/((x^2)-1) at (2, 5/3)

find derivative of: f(x)=e^2 I know that b/c e is a constant the answer is 0, but how do I show that in my work?

physics
To plot the potential energy, simply plug your givens into the equation U=(1/2)kx^2. You should get a parabola that goes to 0 in the center. To determine the turning points of the block, use the law of conservation of energy. You know that Ui+Ki = Uf+Kf since there is no frict...

biology
I am doing a project on Eukarya, Bacteria and Viruses where I have to explain why they are different. I know of their structural and reproductive differences but I am not sure about their uses or funtions. Please help!!

math
exam rose from 20.8 to 21.1 what percent increase was this nearest to the tenth?

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