Trình bày phương pháp định thức để tìm ma trận nghịch đảo. cho ví dụ minh họa

Which graph represents the solution of the inequality?

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

Find the amount in a continuously compounded account for the given condition. principal: $1000, annual interest rate: 4.8%, time: 2 yr