Với giá trị thực nào của x mệnh đề chứa biến P(x): 2x^2-1<0 là mệnh đề đúng A. 0 B. 5 C. 1 D. 4/5

Awork system has five stations that have process times of 5, 9, 4, 9, and 8. what is the throughput time of the system?

Find the distance between the pair of points a(-1,8) and b(-8,4)

Which of the following statements is true? a. the irrational number system is not closed under multiplication, because the product of two irrational numbers is always a rational number. b. the irrational number system is not closed under multiplication, because the product of two irrational numbers is not always an irrational number. c. the irrational number system is closed under multiplication, because the product of two irrational numbers is always an irrational number. d. the irrational number system is closed under multiplication, because the product of two irrational numbers is always a rational numbers. reset submit