Question

please show all work for both problems and only use Cramer's Rule for #6

5) Find the sum below, showing all steps and any formulas used. (7 points) 1 2 22 23 4 + + + 214 4 6) Solve the problem below using Cramer's Rule. Be sure to label what each variable represents, show the equations in the system of equations, and show all matrices and determinants used. No other method will receive credit. Molly attended a coin auction and purchased some rare "Flowing Hair" fifty-cent pieces, and a number of very rare two-cent pieces from the Civil War Era. If she bought 47 coins with a face value of $10.06, how many of each type of coin did she buy? (12 points)

Answer 1