1.A tank with full water has a inverted circular cone with base of radius 5 m and H of 10 m . If the tank has a hole and is leaking and the water level is decreasing at the rate of 3 m/min –estimate the rate at which the tank is losing water when the water lev...
1、In a group of 80 students,24 are enrolled in geometry , 40 in biology, and 20 in both. If a student were randomly selected from the 80 students, What is the probability that the ...