AB ­ 2.8 Literal Equations.notebook September 17, 2013 "Do Now" Classify each number (more than one answer may apply) 1 AB ­ 2.8 Literal Equations.notebook September 17, 2013 Team Hoyt http://www.teamhoyt.com/about/index.html 2 AB ­ 2.8 Literal Equations.notebook September 17, 2013 3 AB ­ 2.8 Literal Equations.notebook September 17, 2013 4 AB ­ 2.8 Literal Equations.notebook September 17, 2013 Unit 2: Solving Equations Name Date 2.8 Literal Equations Block 1. Team Hoyt finished a marathon in d = rt 2 hours and 40 mins (or about 2.6 hours). A marathon is about 26.2 miles. What was their average speed? Use the formula d = rt and round to the nearest tenth. 5 AB ­ 2.8 Literal Equations.notebook September 17, 2013 2. Team Hoyt's average speed during a half- d = rt marathon was about 10.1 miles per hour. A half-marathon is about 13.1 miles. How long did it take them to finish the race? Use the formula d = rt and round to the nearest tenth. 6 AB ­ 2.8 Literal Equations.notebook September 17, 2013 To find a baseball pitcher's 3. earned run average (ERA), you can use the formula Ei = 9r, where E represents ERA, i represents # innings pitched, and r represents # earned runs allowed. Solve the equation for E. What is a pitcher's ERA if he allows 5 earned runs in 18 innings pitched? 7 AB ­ 2.8 Literal Equations.notebook September 17, 2013 On May 14, 1898, a severe 4. hailstorm hit Kansas City. The largest hailstones were 9.5 inches in circumference. Windows were broken in nearly every house in the area. The formula for the circumference of a circle is C = 2πr, where C represents circumference and r represents radius. a. Solve the formula for r. b. Find the radius of one of the largest hailstones that fell on Kansas City in 1898. 8 AB ­ 2.8 Literal Equations.notebook September 17, 2013 5. The formula for a Fahrenheit temperature in terms of degrees Celsius is a) Solve for C. b) 32 F is equal to how many degrees Celsius? 9 AB ­ 2.8 Literal Equations.notebook September 17, 2013 Whiteboards 10 AB ­ 2.8 Literal Equations.notebook September 17, 2013 Whiteboards 11 AB ­ 2.8 Literal Equations.notebook September 17, 2013 A= r2 Solve for for b for h 12 AB ­ 2.8 Literal Equations.notebook September 17, 2013 Homework Change: #8, 10, 11, 15 13.