A calling card offers two methods of paying for a phone call. Method A charges $0.02 per minute but has a $0.5 connection fee. Method B charges $0.045 per minute but has no connection fee. Write the equations that show the total cost, y, of a call of x minutes for methods A and B and determine their intersection point. What does the intersection point represent?
A calling card offers two methods of paying for a phone call. Method A charges $0.02...
A phone company offers two monthly charge plans. In Plan A, the customer pays a monthly fee of s1.80 and then an additional s cents per minute of use. In Plan B, there is no monthly fee, but the customer pay 6 cents per minute of use. For what amounts of monthly phone use will Plan A cost more thar an B? Use m for the number of minutes of phone use in a month, and solv your inequality for...
A phone company offers two monthly charge plans. In Plan A, the customer pays a monthly fee of $13 and then an additional 4 cents per minute of use. In Plan B, there is no monthly fee, but the customer pays 6 cents per minute of use. For what amounts of monthly phone use will Plan A cost more than Plan B? Use m for the number of minutes of phone use in a month, and solve your inequality for...
A phone company offers two monthly charge plans. In Plan A, the customer pays a monthly fee of $43 and then an additional 5 cents per minute of use. In Plan B, the customer pays a monthly fee of $25 and then an additional 8 cents per minute of use. For what amounts of monthly phone use will Plan A cost no more than Plan B? Use m for the number of minutes of phone use, and solve your inequality...
A friend of yours is considering two cell phone service providers. Provider A charges $100 per month for the service regardless of the number of phone calls made. Provider B does not have a fixed service fee but instead charges $1 per minute for calls. Your friend's monthly demand for minutes of calling is given by the equation QD=120−30P QD=120−30P, where P is the price of a minute. 1. With Provider A, the cost of an extra minute is ?...
Kim Davis has decided to purchase a cellular phone, but she is unsure about which rate plan to select. The "regular" plan charges a fixed fee of $55 per month for 1,000 minutes of airtime plus $.33 per minute for any time over 1,000 minutes. The "executive" plan charges a fixed fee of $100 per month of 1,200 minutes of airtime plus $.25 per minute over 1,200 minutes. B. At what level of use would Kim be indifferent between the...
3. Y16 pts) A cell phone company offers three different "pay as you go" daily cell phone plans. . Plan A charges $0.26 per minute. • Plan B charges $1 per day plus $0.10 per minute. • Plan C charges a fixed rate of $2.50 per day. Let YA, Yo, and Yc represent the daily charges using plans A, B, C, respectively. Let I be the number of minutes per day spent on the phone. (a) (3 pts) Find a...
PROBLEM 18.1 (pg 132, #86) People randomly arrive for treatment at an emergency room at a rate of 3.8 per hour. Let Y be the amount of time (in hours) until the next patient arrives in the emergency room. a. The random variable Y has an exponential distribution with parameter λ b. Find the probability no patients arrive over the next 2 hours or P(Y> 2). c. Find the median of Y d. What is the expected elapsed time until...
Please help me with my JAVA programming Exercise. a. The Talk-A-Lot Cell Phone Company provides phone services for its customers. Create an abstract class named PhoneCall that includes a String field for a phone number and a double field for the price of the call. Also include a constructor that requires a phone number parameter and that sets the price to 0.0. Include a set method for the price. Also include three abstract get methods—one that returns the phone number,...