ExamView - A2A Summer Packet 2010-11.tst

Name: ________________________ID: A____ 31. The sides of a triangle are in the ratio 3 : 4 : 5. What is the length of each side if the perimeter of the triangleis 90 cm?a. 10.5 cm, 11.5 cm, and 12.5 cm c. 7.5 cm, 11.5 cm, and 32.1 cmb. 22.5 cm, 30 cm, and 37.5 cm d. 19.3 cm, 25.7 cm, and 32.1 cm____ 32. Two cars leave Denver at the same time and travel in opposite directions. One car travels 10 mi/h faster thanthe other car. The cars are 500 mi apart in 5 h. How fast is each car traveling?a. 35 mi/h and 45 mi/h c. 45 mi/h and 55 mi/hb. 55 mi/h and 35 mi/h d. 55 mi/h and 65 mi/h____ 33. Michael has $12,500 to invest. He invests part in an account which earns 4.2% annual interest and the rest inan account which earns 6.2% annual interest. He earns $669.50 in interest at the end of the year. How muchwas invested at each rate?a. $5,000 at 4.2%, $7,500 at 6.2% c. $7,500 at 4.2%, $5,000 at 6.2%b. $7,225 at 4.2%, $5,275 at 6.2% d. $5,275 at 4.2%, $7,225 at 6.2%Solve the inequality. Graph the solution set.____ 34. 2 + 2k ≤ 8a. k ≥ 3 c. k ≤ 3b. k ≤ 5 d. k ≥ 5____ 35. 2r – 9 ≥ –6a. r ≤ 1 1 2c. r ≥ 1 1 2b. r ≥ −7 1 2d. r ≤ −7 1 2____ 36. –4k + 5 ≤ 21a. k ≥ –4 c. k ≤ –4b. k ≥ −6 1 2d. k ≤ −6 1 25