Anonymous asked 11/8/2010 To estimate the height of a building, a stone is dropped from the top of the building into a pool of water at ground level. How high is the building if the splash is seen 5.6 seconds after the stone is dropped?
Anonymous asked 11/6/2010 An urn contains three red balls numbered 1, 2, 3, three white balls numbered 4, 5, 6, and five black balls numbered 7, 8, 9, 10, 11. A ball is drawn from the urn. What is the probability that it is red or odd-numbered?
Anonymous asked 11/6/2010 9. A computer company gives a discount of 10% on a new piece of software. If it makes a profit of 4%, what percent does the marked price exceed the cost price?
Anonymous asked 11/5/2010 What are the steps to solving this problem:An aircraft flies over Boondock Air Force Base at 10:20 a.m. At 10:32 a.m., the plane passes over Sea Side Naval Air Station, 120 miles away. How fast is the aircraft traveling?
Anonymous asked 11/5/2010 A particle is moving along the ellipse 16x2 + 9y2 = 144. Find all points (x; y) on the ellipse at which the rates of change of x and y with respect to time are equal. (Assume that dx=dt and dy=dt are never both zero at the same point.)?
sway grimsley asked 11/3/2010 Lola enjoys her job at Go-Stop where she earns $8.75 per hour. How much will she earn for 15 hours of work each week over a 6-week period?
Melanie Gross asked 11/2/2010 What three techniques can be used to solve a quadratic equation?Demonstrate these techniques on the equation "12x2 - 10x - 42 = 0."
sway grimsley asked 11/2/2010 John worked 35 hours a week at Buy-the-Best for $8.50 per hour. So far, he has earned $3,272.50. How many weeks has John worked at Buy-the-Best?
Anonymous asked 11/2/2010 A hexagon can be divided into how many triangles by Drawing all of the diagonals from one vertex?
Anonymous asked 11/2/2010 What does the scale factor between two similar figures tell you about their perimeters?
Anonymous asked 11/2/2010 A shipment of 15 cases of socks is received from the vendor. Each case contains four boxes. How many boxes of socks have been received?
Anonymous asked 11/1/2010 The sum of two numbers is 57. One of the numbers is 21. Which of the following equations could be used to find the other number?
