Multiply or divide as indicuted in each of the exercises. Write allanswers in lowest terms. (See Examples 2 and 3.)1015.6416.10r+ 16 + 21417.IR.In cach of the exercises in the next set, simplify the complex fraetion. (See Example t)6byZa +b154x + 2)19.20.4(2a + b)Sx + 2)isp - 3 10p - 224 +22.. + 1221.69y - 18 3y + 612r + 24, r + 1224.23.6y + 12 15y - 303or - 36 -82-94a + 1225.2a - 10 -a - 20Work these problemes.or - 1812r - 16Natural Science Each figure in the following exercises is adartboand. The probability that a dart which hits the board landsin the shaded arna is the fraction26.9 + ir - 24 dr- 122-k-6+ 3k -427.P +k- 12 + 24 -3area of the shaded regionarea of the darthoard2-9* - 2n - 8 + 7a + 1229. In your own words, explain how so ind the least common28.(a Express the probability as a rational expression in x. (Hint:Area formulas are given in Appendix B.)(b) Them reduce the expression to lowest terms.denominator of two fractions.A30. Describe the steps required to add theee rational expressions. 51.You may use an example to illustrate.52.Add ar subtract as indicated in each of the following. Write allanswers in lowest terms. (See Example 4)32. -34.3s.3637.39.Sb + 2)40.NA+ 1)Business In Example 11of Section 1.2, we aw that the cast C41.2)4k - 2)of producing x thouand cakulatorn is given byC= -12 + 69Sx + 230,000 (x s 150).55. Write a rational expression that gives the average cost percakulator when x thousand are prodaced. (Hi: The averagecost is the sotal cost C divided by the number of calculatorsprodaced)42.Mp + 4)p + 4)43.+]- d+344.w- Jm - 056. Find the average cost per cakulator for each of these productionlevele 20, SO00, and 125,000

“Since you have asked multiple question, we will solve the first question for you. If you want any…

Answered: 15. 64 2a

15. 64 2a

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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