Solve the following differential equation with y(x = 0) = 1 dy/dx=1/2ycosx- (a) analytically. (b) using euler's method over the interval from x = 0 to 0.3 with the step size of 0.1. calculate the relative true error at each step. (x is in radian).

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

Aresearch group wants to find the opinions’ of city residents on the construction of a new downtown parking garage. what is the population of the survey downtown shoppers downtown visitors downtown workers city residents

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?