Chapter 1: Problem 19
According to the chart above, which of the following regions had the largest increase in the number of AIDS deaths between 2011 and 2020 ? A. Africa B. South/Southeast Asia C. Eastern Europe D. North America/Northern Europe
Chapter 1: Problem 19
According to the chart above, which of the following regions had the largest increase in the number of AIDS deaths between 2011 and 2020 ? A. Africa B. South/Southeast Asia C. Eastern Europe D. North America/Northern Europe
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Get started for freeAfter analyzing the success of long-term stock predictions, some business professors reported that A. professional predictions of stock performance are usually accurate. B. stocks that are currently performing well will continue to do so. C. amateur stock investors do very poorly in long-term investments. D. even careful analysis of current stock performance is no guarantee of accurate long-term predictions.
Karen puts \(60 \%\) of her paycheck into her savings account. If Karen put \(\$ 120\) into her savings account, what was the amount of her entire paycheck?
Working for 4 hours a day, a typist earns $$\$ 65.40$$ a day after taxes. At the same rate of pay, what would he earn per day if he worked for 7 hours a day? (Let \(N\) represent after-tax earnings.) A. \(N=\frac{4}{7}(65.40)\) B. \(N=\frac{7}{4}(65.40)\) C. \(N=4(65.40)\) D. \(N=7(65.40)\)
Scientists classify stars according to the following categories: O, B, A, F, G, K, M. A star's category depends upon its spectral type, which is determined by its temperature. The chart below shows five stars of different categories, along with their temperatures. $$ \begin{array}{|l|l|} \hline \text { Star Type } & \text { Temperature }\left({ }^{\circ} \mathbf{F}\right) \\ \hline \text { O } & 18,033 \\ \hline \text { B } & 9,978 \\ \hline \text { A } & 4,839 \\ \hline \text { F } & 3,644 \\ \hline \text { G } & 3,422 \\ \hline \end{array} $$ However, rather than measuring star temperature in degrees Fahrenheit, scientists typically measure star temperature in units of Kelvin. The conversion from Fahrenheit to Kelvin is given by the following formula: $$ \mathrm{K}=\frac{5}{9}\left({ }^{\circ} \mathrm{F}-32\right)+273 $$ What is the approximate temperature of the A-type star in Kelvin? You may use a calculator. A. 2,569 B. 2,822 C. 2,929 D. 2,944
During periods that are unfavorable for growth, some plants become dormant. Woody plants are protected during such periods by their bark. Perennial plants die above ground, but their roots remain alive. Annual plants die, but their seeds survive to continue the life of the species. Which of the following would most likely be a time of year during which plants might lie dormant? A. winter B. spring C. summer D. fall
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