Concept explainers
Population distribution Using U.S Census Bureau data (and projections to 2050), the percent of the U.S population that is Black
Where
In what year were the percents of these groups equal? What was the percent of each ?
Do these models indicate that there were more Blacks or more Hispanics in 2012?
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Mathematical Applications for the Management, Life, and Social Sciences
- Competition Two friends enjoy competing with each other to see who has the best time in running a mile. Initially before they ever raced each other, the first friend runs a mile in 7 minutes, and for each race that they run, his time decreases by 13 seconds. Initially, the second friend runs a mile in 7 minutes and 20 seconds, and for each race that they run, his time decreases by 16 seconds. Which will be the first race in which the second friend beats the first?arrow_forwardHeart Disease In a certain country, the number of deaths due to heart disease decreased from 235 in one year to 221 in the next year. What percentage decrease in deaths due to heart disease does this represent?arrow_forward
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