Anonymous asked 10/16/2010 If a student's rank in a class of 400 students is 44, find the student's percentile rank?
Angel Sarah asked 10/15/2010 Can a prism in glasses cause headache and vertigo when trying to get used to it?
Anonymous asked 10/14/2010 Tim bought a waffle maker for $14 and plans to make money selling waffles for 65 cents each. If the ingredients cost 57 cents per waffle, what is the minimum number of waffles Tim must sell to start making a profit?
Anonymous asked 10/13/2010 A 1.5kg block and a 2.7kg block are attached to opposite ends of a light rope.The rope hangs over a solid, frictionless pulley that is 33 cm diameter and has a mass of 0.72kg.When the blocks are released, what is the acceleration of the lighter block?
Anonymous asked 10/13/2010 A 6-foot tall man is standing near a tree on level ground as shown in the picture above.if the man's shadow is 4feet long, how many feet tall is the tree? The only thing it show's in the picture is 18feet! So?
Anonymous asked 10/11/2010 In a survey of 24 college students, it was found that 16 were taking an English class, 17 were taking a math class, and 10 were taking both English and math. How many students were taking a math class only?
Courtney Jessamy asked 10/10/2010 NASA launches a rocket at t = 0 seconds. Its height, in meters above sea-level, as a function of time is given by h(t) = -4.9t^2 + 64 t + 192. Assuming that the rocket will splash down into the ocean, at what time does splashdown occur?
Carol Bunce asked 10/8/2010 A rectangular pen is made with 100 m of fencing in three sides. The fourth is a stone wall. Find the greatest possible area of such an enclosure?
Anonymous asked 10/8/2010 Explain how you would find the product of 2012 and 208. Include either the exponent rule or the expanded method in your explanation. Give your answer in exponential form?
Anonymous asked 10/8/2010 A kilobyte is 210. A megabyte is 220 bytes. How many kilobytes are in a megabyte? Use the exponent rule for division to find your answer and give your answer in exponential form.
Anonymous asked 10/7/2010 Line BE is the bisector of segment AC. If AB = 7, then AC is equal to what?