December 2017

In a lifting machine, a load of 50 kN is moved by a distance of 10 cm using an effort of 10 kN which moves through a distance of 1 m, the efficiency of the machine is…

If sec 2A = 1 / sin 13A, determine the value of A in degrees.

An equilateral triangle has an altitude of $5\sqrt{3}$ cm long. Find its area.

Instead of multiplying the number by 17, Fred divided it by 17. If the answer he obtained was 1, what should have been the correct answer?

A factory is running at 80% efficiency with a fixed cost of P78,000.00, variable cost per unit of P130.00, selling price per unit of P416.00, and production capacity of 5000 units. What is the current profit of the factory if all products manufactured are sold?

Which of the following is the value of x² + 1/x² when x + 1/x = 5?

Spherical degree is a unit of a spherical area taken as 1/720 of the surface of the sphere. How many spherical degrees hemispheres have?

Jojie was sent to the store to get 11 cans of spam. Jojie could carry only two cans at a time. How many trips would Jojie have to make?