Ephraim

Pete and jan compete as a team in a biathlon. Pete runs at a speed of 9 km/ h for x hours. Jan cycles at twice Pete's running speed for 1 hour and 30 minutes. The total distance of the biathlon is 42 km. Find, in hour and minutes, Pete's running time.

What percentage is: 12 of 60

Find the average speed for the journey: jonas drives 70km in 45 min and then another 120km in 1 hour.

Write a pseudocode to find the average of any amount of positive numbers.

Discuss why tuberculosis can be described as a "social disease". (3)

Change the following sentence from Active voice to Passive voice: 1. The teacher shouted at the learners when thy did not do their homework. 2. The thief stole a watch from the shop. 3. The soccer player dribbled the ball.

A car of mass 1120 kg descends a hill of slope 1 in 5.calculate using the energy theory methods the average braking force required to bring the car to rest from 20m/s in 60m,assume the frictional resistance is 260N

The density of air is 1.12 x 10-3 g/cm3. a) what volume of air in cubic meters will have a mess of 1.00kg b)express this density as lb/ft3.

Yes it is the motherboard

Calculations