Convert 5 2/5 into an improper fraction

In the 30-60-90 triangle below side s has a length of and side r has a length

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

An optical inspection system is used to distinguish among different part types. the probability of a correct classification of any part is 0.92. suppose that three parts are inspected and that the classifications are independent. let the random variable x denote the number of parts that are correctly classified. determine the probability mass function of x. round your answers to four decimal places (e.g. 98.7654). x f(x) 0 1 2 3