Saturday
May 18, 2013

# Posts by DJ

Total # Posts: 203

chemistry
what is the molecular mass of a solute if a solution containing 150 g of that solute and 1.0 kg of water has a boiling point of 102.0 degree c? (Kb= 0.512 degree C/m)

Math
there are a lot of them but i chose 1, 4, 8,10

physics
A long jumper jumps with the initial velocity of 12.0 m/s at an angle of 20 degrees. what is the displacement of x?

math
The carpenter wants to make a dresser based on the dollhouse furniture. The scale is 5\2in : 1ft. The height of the dollhouse is 10in. What is the height of the carpenter's dresser.

math
A building 35ft tall casts a shadow 105ft long .Patty casts a shadow 16.5 ft long. how tall is Patty?

math
thank you !!!

math
A fence post 3ft tall casts a shadow 16ft long . At the same time ,the barn casts a shadow 96ft long. how tall is the barn?

calculus
Find the formula for the described function and state its domain. An open rectangular box with a volume of 8 cubic meters has a square base. Express the surface area of the box as a function of S(x) of the length x of a side of the base.

algebra
what is the average height of a softball that is pitched to a batter from 45 feet away?