A car is driven 1 200 m north at 20.0 m/s and then driven 1 600 m east at 25.0 m/s. What are the magnitude and direction of the displacement for this trip

Make them both to where they have the denominator of 18that makes 3/2 equal 27/18 and 1/9 equal 2/18so now you have  27/18x+5=2/18subtract 5 from the other sideso now you have 27/18x+2/18-5then subtract 2/18 from 27/18 to get 25/18x=-5then divide 25/18 by -5 and your answer will be  -5/18

What kind of enegia produces the mixture of bicarbonate and vinegar  chemical producetion

How are period and frequency related to each other? dperiod is the reciprocal of frequency.