Question

Please help me on questions 40, 59, and 62.

battin how many additional consecutiv hits h Jeter would have needed to raise his batting average in 2004 to that of his average in 2001. b. Write and solve an equatioll SHORTSTOP YEAR 2001 2002 2003 2004 191 191 156 48 188 c. What if.. How many additional hits in a row would Jeter have needed to raise his batting average in 2003 to .500? Check your answer for reasonableness. Solve each equation or inequality. 38. 40, 4 글+6= 39. 2 +1 2 - 42. -X-4 4 6 5 46·12 Use a graphing calculator to solve each rational equation. Round your answers to the nearest hundredth. 47.5 50. Critical Thinking The reciprocal of a number plus 48. 는x2-1 49. 1 equals 2, Find the n 2 51·The average speed for the winner of the 2002 Indy 500 was 25 mi/h greater the average speed for the 2001 winner. In addition, the 2002 winner com 500 mi race 32 min faster than the 2001 winner. ns a. Let s represent the average speed of the 2001 winner in miles pent and 2 expressions in terms of s for the time in hours that it took the 2001 winners to complete the race. completed t r hour b. Write a rational equation that can be used to determine s. Solve yout mile equation to find the average speed of the 2001 winner to the near per hour. st 6 Rational Functions ③ 6(x-2) + 10 57. Short Response Water flowing through both a small pipe and a large pipe čan fill a water tank in 7 h. Water flowing through the small pipe alone can fill the tank a. Write an equation that can be used to find the number of hours it would take to fill the tank using only the large pipe b. How many hours would it take to fill the tank using only the large pipe? Show your work, or explain how you detèrmined your answer. CHALLENGE AND EXTEND Solve each equation or inequality 7x x2 -5x-24 x 1 x2+x- 6 59. 1-4r-1+32 1-9x-2 60. 3r 62. Marcus and Will are painting a barn. Marcus paints about twice as fast as Will. On 2 61-0 -> + 5 x-3 4 x+2 x +4 the first day, they have worked for 6 h and completed abou of the job when Will gets injured. If Marcus has to complete the rest of the job by himself, about how many additional hours will it take him? ICAL FOCUS ON MATHEMATICAL PRACTICES HOT 63. Reasonableness Amanda worked on this problem: "A boat can trável 9 mi/h in still water. It takes the same amount of time for the boat to travel 6 mi upstream as it does to travel 12 mi downstream. How fast is the current?" She chose x to represent the speed of the current, wrote the equation for the equal times as and solved it to get x 27. Is Amanda's answer reasonable? If not, explain her error and correct it. HOT 64. Error Analysis Tran solved the rational inequality 10 and when would you explain to Tran why these answers are different and which one Y1wab saw that the graph x

Answer 1

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