Numerade

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Use the ALEKS graphing calculator to find all the zeros of the polynomial function. $f(x)=-2x^4+x^3+7x^2-x-3$ Round to the nearest hundredth. If there is more than one answer, separate them with commas. zero(s):

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You are using a mobile phase that is 35% methanol, 5% acetonitrile and 60% water. The polarity index of this mobile phase is (report your answer to 1 decimal place). You are performing a -phase separation. If you increase the percent of water and decrease the percent of methanol in the mobile phase, the polarity index would This would cause the retention time of your analytes to

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Historical Returns: Expected and Required Rates of Return You have observed the following returns over time: YearStock XStock YMarket201516%13%10%2016198122017-16-2-1420182132019211312 Assume that the risk-free rate is 7% and the market risk premium is 5%. What are the betas of Stocks X and Y? Do not round intermediate calculations. Round your answers to two decimal places. Stock X: Stock Y: What are the required rates of return on Stocks X and Y? Do not round intermediate calculations. Round your answers to two decimal places. Stock X: % Stock Y: % What is the required rate of return on a portfolio consisting of 80% of Stock X and 20% of Stock Y? Do not round intermediate calculations. Round your answer to two decimal places. % Calculate the average rate of return for each stock during the 5-year period. Do not round intermediate calculations. Round your answers to two decimal places. Stock A: % Stock B: % Suppose you had held a portfolio consisting of 50% of Stock A and 50% of Stock B. What would have been the realized rate of return on the portfolio in each year? What would have been the average return on the portfolio during this period? Do not round intermediate calculations. Round your answers to two decimal places. Negative values, if any, should be indicated by a minus sign. YearPortfolio2015 %2016 %2017 %2018 %2019 %Average return % Calculate the standard deviation of returns for each stock and for the portfolio. Do not round intermediate calculations. Round your answers to two decimal places. PortfolioStd. Dev. % % % Sherthe sameItem 13 expected return with -Select-lesshigherthe sameItem 14 risk.

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Evidence from imaging studies reveals that release of dopamine in the ______ is increased by human exposure to drug-associated cues. ? hypothalamus ? amygdala ? dorsal striatum ? ventromedial prefrontal cortex (vmPFC) ? hippocampus

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Question 4 2 pts The following is a list of vessels that blood passes through from the heart back to the heart: arterioles, capillaries, veins, venules, arteries arteries, arterioles, capillaries, venules, veins arteries, venules, arterioles, veins, capillaries capillaries, venules, veins, arterioles, arteries

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Sarah is a teacher, and she wants to improve the behavior of one of her students, Alex. Alex frequently disrupts the class by talking loudly and not following instructions. Sarah decides to implement operant conditioning techniques to address Alex's behavior. What is the term for the process where Sarah removes an aversive stimulus to increase the likelihood of a desired behavior in Alex?

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Use the data from the World Economic Outlook to answer the following questions. Question content area bottom left Part 1 1. Calculate China's real GDP growth rate and its population growth rate during 2016. China's real GDP growth rate during 2016 is enter your response here percent and its population growth rate during 2016 is enter your response here percent. >>> Answer to 1 decimal place. . . . Question content area right Part 1 The World Economic Outlook reported the following information: bullet China's real GDP was 69.9 trillion yuan in 2015 and 74.6 trillion yuan in 2016. bullet China's population was 1,375 million in 2015 and 1,383 million in 2016.

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Use the first law to demonstrate that in the adiabatic process q = 0

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2. Convert the following from time domain to phasor domain.\\ $\sqrt{2}(50)\sin\omega t$

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Which of the following is TRUE about prenatal development? Select one: The trophoblast ultimately becomes the skin of the baby. About 85% of fertilized zygotes develop through the entire prenatal period. The developing baby is most susceptible to teratogens during the germinal period. Embryonic disk cells become specialized for different functions over time.

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tammy z.