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male=9115 female=9636 if a student is selected at random, find the probability of selecting a student as P(M U F)

in the experiment of rolling a pair of dice, compute the probability of an even number or a number greater than 3 facing up

The Greener Corporation produces electrical motorcycles and electric cars. The management wanted to produce at least 2 electrical cars and 8 electrical motorcycles but no more than 5 electric cars per month. The production department can produce a maximum...

A helicopter hovers at an altitude that is 2000 feet above a mountain peak of altitude 5280 feet. A second taller peak, is viewed from both the mountain top and the helicopter. From the helicopter, the angle of depression is 43° 55'. From the mountain top...

A surveyor wishes to calculate the distance between the two trees B and C across a river from where he is standing. If the distance from his position, A to B is 70 meters, the distance from C to A is 100 m,and the angle of A is 56°42',determine the distan...

A plane flew 50 km on a bearing 63° 20', and then flew on a bearing of 153°20' for 120 km. Find the distance between the starting and ending point.

At a certain time, a lighthouse is south of a ship. Thirty minutes later, the ship bears N40°20'E from the lighthouse. If the ship is sailing east at 20 kilometers per hour,find the distance of the ship from the lighthouse at each time of observation.

A ship leaves its home port and sails on a bearing N38°15'E at 24 mph.At the same instant,another ship leaves the same port on a bearing S51°45'E at 28 mph.Find the distance between the two ships after 8 hours.

A Super Cat left Batangas port on a course 230°20' for 1.5 hours at 210 mph and then at 140°20' for two hours at 180 mph. How is she far from the port and in what direction must she travel to return to Batangas port?

A motor cruising south along the highway is 16 km from the nearest town. After travelling a distance of 32 km, he finds that he is 19 km from the same town. Find the bearing of the town from the second position of the motorist.