Questions Asked on October 6, 2011

a solution was perpared by dissolving 4.765 g of AlCl3 in enough water to give 250 mL of AlCl3? a.... Asked on October 6, 2011 at 12:01 AM calculate the average atomic mass of element x in which the first isotope found in 28.5% abundance w... Asked on October 6, 2011 at 12:09 AM The area of a rectangular photograph is 59 square inches.It is to be mounted on a rectangular card w... Asked on October 6, 2011 at 12:11 AM The strength of gravity on Mars is only 40% of that on earth. If a child has a mass of 30 kg on eart... Asked on October 6, 2011 at 12:14 AM Triangle PQR is congruent to P'Q'R. If PQ= x+y, P'Q'+10, Q'R'= 3x-y, and QR=14, then what is x and y... Asked on October 6, 2011 at 12:17 AM a car traveling westward at 20 m/s turns around and travels eastward at 5 m/s. what is the change in... Asked on October 6, 2011 at 12:21 AM Find the equation of the tangent line to the curve below at point (0,3) y=6/(1+e^-x) Asked on October 6, 2011 at 12:35 AM A hovercraft of mass 69.0 kg can move on a horizontal surface, the x-y plane. A single unbalanced fo... Asked on October 6, 2011 at 12:35 AM Equipment cost $625,000, salvage value $50,000 at end of 10 yrs. Probability .15 Cash Flow $60,00... Asked on October 6, 2011 at 12:36 AM i cant figure this out 16 / (10-(9-8) x 6) i got 9-8 = 1 x6 = 6 10 -6 = 4 16 /4 = 4 is that... Asked on October 6, 2011 at 12:36 AM