42. Lauren is working with her coach to improve her tennis skills. A graph of Lauren's latest serve is shown. 10 8. m 0 0.4 0.8 1.2 1.6 2 t (seconds) h (feet) 4.
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- In The New Yorker on March 29, 2010 James Surowicki wrote that the 25 million iPhones Apple sold in 2009 represented 2.2 percent of world cell phone purchases. Use Surowicki’s numbers to estimate how many people bought a cell phone in 2009. Estimate the percentage of the world population that bought a cell phone in 2009. Thank you!In The New Yorker on March 29, 2010 James Surowicki wrote that the 25 million iPhones Apple sold in 2009 represented 2.2 percent of world cell phone purchases. Use Surowicki’s numbers to estimate how many people bought a cell phone in 2009. b. Estimate the percentage of the world population that bought a cell phone in 200914 Please show work, I want to understand thanks!
- 3. Better Business Bureau (BBB) has 680 filed complaints from Kroger customers in the last 3 year. They have 2,806 filed complaints from Walmart customers in the last 3 year. Walmart has over 4 times as many filed complaints. Explain why might this be an unfair comparison:: 6.98 Translate to a proportion: 27 is 36% of what number?In a move to provide additional sales for U.S. car manufacturers, the White House announced the purchase of 17,600 new fuel-efficient vehicles for the federal fleet. Suppose the new fleet, which includes 2,500 hybrid sedans, will cost $295 million. As an accountant in the White House Budget Office (WHBO), you have been asked to calculate the following: (a) If each hybrid vehicle will have an average cost of $21,000, what will be the average cost per non-hybrid vehicle? Round to the nearest whole dollar.
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- monique collects data rom a random sample of seventh gradesers in her school and finds that 10 out of 25 seventh graders participate in after school activeities write and solve a proportion to estimate the number of seventh graders n who participate in after school activeities of 190 seventh graders attened monique's schoolYou have a job that pays $15.50 per hour. If you work more than 40 hours in a week, you make an overtime rate of $23.25 per hour. Estimate how much you will make if you work 62 hours next week. Carefully describe how you estimated your answer#35 from the Textbook