5(9 + 7) = 5 x 9 + 5 x 7 = 45 + 35
Average speed = (distance final - distance initial)/(time final - time initial)
Average speed = (30-0)km /(100 -0)min = 3/10 km/min
3/10 km/min *60 min/1 h = 180/10 km/h= 18 km/h
it's irrational
A rational number can be put over a fraction, while this number continues forever
Answer:
680
Step-by-step explanation:
125 + 215 = 340
340+340 = 680