Anonymous asked 11/30/2010 Prove this Trig Identity? (cosx/secx) - (sinx/cotx) = (cosxcotx-tanx)/(cscx) thanks in advance!
Anonymous asked 11/29/2010 To paint his house, Samuel bought 2 cans of paint and one roller for $30. When friends came over to help, he went back to the store and bought three more cans of paint and two more rollers for $50. How much did he pay for a can of paint?
Anonymous asked 11/29/2010 Mario earned three times as much money last year as his wife Elena. The total amount that the two earned was $11,000. How much money did Mario earn?
Anonymous asked 11/28/2010 Sean McCarthy earns $20,000 a year; John Nowak, $35,000. What is John's income as an index using Sean's income as the base?
Dequarious Mosley asked 11/25/2010 If Jim Roller can paint a room in 3 hours while John Brush would take 5 hours, how long will they take if they work together?
Anonymous asked 11/23/2010 Find the locus of points that are equidistant from a fixed line and a point not on that line?
dantia jacobs asked 11/22/2010 The sum of the first n positive integers is equal to 1/2(n squared+n). How many of the first n positive integers must be added to give a sum of 325?
Carla Caraway asked 11/21/2010 Solve using the multiplication principle first. Then use the elimination method: 7p+5q=2 8p-9q=17?
Anonymous asked 11/21/2010 On the assembly line it takes 2 1/2 minutes to complete task one, 3 minutes 10 seconds to complete task two, and 1 minute to complete the last task to make an item. How many items can be completed in 25 minutes?
Carol Bunce asked 11/19/2010 The magnitude and direction of vectors u and v are given. Find vector w's polar coordinates. U: Magnitude 621, bearing 305° v: Magnitude 336, bearing 15° 3(w + u) = 2(w - v)?
Anonymous asked 11/18/2010 Write a subtraction problem involving regrouping that has ted reading 304 pages?
