After measuring the duration of many telephone calls, the telephone company found their data was well-approximated by the density function p(x) = 0.4e^(−0.4x), where x is the duration of a call, in minutes. a) What percentage of calls last between 4 and 5 minutes? (nearest tenth)b)What percentage of calls last 4 minutes or less? (nearest tenth)c)What percentage of calls last 4 minutes or more? (nearest tenth)d)Express the cumulative distribution function in the form P(x) = { x<0x greater than or equal to 0

Cameron indoor stadium at duke university is one of the most revered sites in all of college basketball, as well as in all of sports period. duke’s men’s and women’s basketball programs have attained quite a few wins in the building over the last seventy years. cameron indoor stadium is capable of seating 9,460 people. for each game, the amount of money that the duke blue devils’ athletic program brings in as revenue is a function of the number of people in attendance. if each ticket costs $45.50, find the domain and range of this function.

When you answer this can you explain

Use the formulas a = x 2 – y 2, b = 2xy, c = x 2 + y 2 to answer this question. one leg of a right triangle has length 11 and all sides are whole numbers. find the lengths of the other two sides. the other leg = a0 and the hypotenuse = a1