calculas not computer science

Problem List Next Problem (1 point) The altitude (i.e., height) of a triangle is increasing at a rate of 2.5 cm/minute while the area of the triangle is increasing at a rate of 3.5 square cm/minute. At what rate is the base of the triangle changing when the altitude is 8 centimeters and the area is 84 square centimeters? The base is changing at cm/min. Preview My Answers Submit Answers Previous Problem Problem List Next Problem (1 point) Gravel is being dumped from a conveyor belt at a rate of 10 cubic feet per minute. It forms a pile in the shape of a right circular cone whose base diameter and height are always the same. How fast is the height of the pile increasing when the pile is 12 feet high? Recall that the volume of a right circular cone with height h and radius of the base r is given by 1 V= rah 3 Rate = Preview My Answers Submit Answers Previous Problem Problem List Next Problem (1 point) A boat is pulled into a dock by a rope attached to the bow of the boat and passing through a pulley on the dock that is 1 m higher than the bow of the boat. If the rope is pulled in at a rate of 1.2 m/s, how fast is the boat approaching the dock when it is 8 m from the dock? Rate = m/s Preview My Answers Submit Answers You have attempted this problem 0 times