Numerade

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After Buchanan v. Warley and the Fair Housing Act deemed redlining illegal, _______ began being used to keep people of color out of certain communities. O Racial covenants O Reparations O GI Bill O Greenlighting

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Problem 1 (Testing for Covid-19). The data set in sheet Covid-19 in the Excel document HW5data2020 contains information on the amount of testing for Covid-19 (column C) and the number of deaths per million (column B) in various countries since the beginning of the pandemic. We would like to know whether there is a relationship between these two variables. (1.1) Easy. Compute the sample correlation between ”deaths per 1M” and ”tests per 1M”. Test the hypothesis that there is no correlation between ”deaths per 1M” and ”tests per 1M” at the 5% significance level.

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Find the domain of the function.\\ $f(x) = \frac{6}{x^2 + 4} - \frac{7}{x^2 - 25}$

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As of 2018, the federal minimum wage in the United States was $7.25 per hour. There have been proposals to increase the federal minimum wage to $15.00 per hour. Assume the labor market for minimum wage workers is in equilibrium at the current minimum wage of $7.25 and that Congress passes a law to increases the minimum wage to $15.00 per hour. Place the points on the graph to illustrate the price floor created by the minimum wage law.

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According to the following reaction, how many grams of oxygen are required for the complete reaction of 22.5 grams of carbon? Ammonium nitrate = nitrogen + water. Mass = ? g

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3. a. Write down the formula used to calculate the Present Value (PV) of a future Cash Flow (CF) for 'n' years. Using this formula, explain why the price of a coupon bond and the yield to maturity are negatively related. b. If there is an increase in interest rates, which would you rather be holding, long-term bonds or short-term bonds? Why? Which type of bond has the greater interest-rate risk?

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Cnt Clk FF0 DQ Q' FF1 DQ Q' Y

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12. Determine whether the following argument is valid: $p \rightarrow r$ $q \rightarrow r$ $q \lor \neg r$ $\therefore \neg p$

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QUESTION 6 Discuss how authorities can use monetary policy to reduce potential negative effects of a recession. You are also required to explain what the Reserve Bank of Australia has done in response to a COVID 19 to prevent potential recession. (98 marks)

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3. A steel part is subjected in service to a stress amplitude of 180 MPa and a mean stress of 100 MPa for 20,000 cycles. The HCF parameters for this steel are: $\sigma'_{f}$ = 1089 MPa and b = - 0.115. Is it safe against fatigue failure? If yes, what are the safety factors in stress and in life?

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cynthia s.