Mrs. morton has a special reward system for her class. when All her students behave well she rewards them by putting three marbles into a jar when the jar has 10 or more marbles the students have a party right now the jar has 24 marbles Right any quality to determine the number of additional times, r, miss Morton could reward her class in order for our students have a party

well the students have a party if Miss Morton rewards them 31 additional times yes or no?

How do you find the circumfrance of a circle?

The triangles are similar. what is the value of x? enter your answer in the box.

The weibull distribution is widely used in statistical problems relating to aging of solid insulating materials subjected to aging and stress. use this distribution as a model for time (in hours) to failure of solid insulating specimens subjected to ac voltage. the values of the parameters depend on the voltage and temperature; suppose α = 2.5 and β = 190. (a) what is the probability that a specimen's lifetime is at most 250? less than 250? more than 300? (round your answers to four decimal places.) at most 250 less than 250 more than 300 (b) what is the probability that a specimen's lifetime is between 100 and 250? (round your answer to four decimal places.) (c) what value is such that exactly 50% of all specimens have lifetimes exceeding that value? (round your answer to three decimal places.) hr