Numerade

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A method of apportionment that is presently used in the United States is called:

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A piano has been pushed to the top of the ramp at the back of a moving van. The workers think it is safe, but as they walk away, it begins to roll down the ramp. If the ramp breaks and the piano falls of the track straight down. Which time to reach the ground is shorter? Group of answer choices time it takes piano to roll down the ramp time it takes piano to fall straight down from the track

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In the European Union, the goal for mail delivery sent to a national address is ____. two days three days D+1 D+2 None of the above

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Use a triple integral in cylindrical coordinates to find the volume of the cylinder x^2 + y^2 = 1 bounded below by z = 0 and above by the cone z^2 = x^2 + y^2.

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Rewrite the statements below using quantifiers and variables. For example, a statement like "even number

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Which of the following best describes the nature- nurture question of abnormality? Show answer choices The nature-nurture question relies heavily (A) on biological perspectives to address abnormal behaviors. The nature-nurture question supports the (B) idea that psychological problems must have a single cause. The nature-nurture question views (C) abnormal behaviors exclusively from a sociological perspective. The nature-nurture question integrates (D) biological, psychological, and social approaches to abnormal behaviors.

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Solve the system by substitution. If the system is inconsistent or has dependent equations, say so. -x - 5y = -17 y = 2x - 1 Select the correct choice below and, if necessary, fill in the answer box to complete your choice. ? A. The system has a single solution. The solution set is (Type an ordered pair. Type integers or simplified fractions.) ? B. There are infinitely many solutions and the equations are dependent. The solution set is \{(x, y) | -x - 5y = -17\} ? C. The system is inconsistent. The solution set is the empty set

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6. Tyrell Corporation is considering a project with the following cash flows (in millions of dollars): Year Cash Flow 0 ? 1 $1.0 2 1.5 3 2.0 4 2.5 The project has a simple payback period of exactly two years. The project's cost of capital is 12 percent. What is the project's internal rate of return? a. Less than 0% b. Between 0 and 10% c. Between 10 and 20% d. Greater than 20% e. Cannot be determined with this information 7. You have a portfolio of stocks that consists of the following: Number of Shares Price Beta $Value weight 200 $100 1.2 $20,000 .20 300 $80 1.0 $24,000 .24 1000 $56 .90 $56,000 .56 Risk-free rate = 2.00% Total $100,000 1.00 Risk Premium on the market = 5.00% So Beta(p) = 2(1.2) + .24(1.0) +.56(.9) = 0.984 The expected return on the portfolio is: a. Less than 6.00% b. Between 6.00% and 7.00% c. Between 7.00% and 8.00% d. Greater than 8.00% e. Cannot be determined with this information 8. The primary goal of a publicly-owned firm interested in serving its stockholders should be to a. Maximize expected total corporate profit b. Maximize expected EPS c. Minimize the chances of losses d. Maximize the stock price per share e. Maximize expected net income 3

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An economics professor collects survey data from all of his past students and estimates a multivariate model to assess the effects of various factors on the final score in Principles of Microeconomics. His findings are reported below. Scorei = 29.10 + 0.45FatherEdui + 0.36MotherEdui + 7.82Yeari + 3.13Hoursi where Scorei is student i's final score, FatherEdui and MotherEdui are his/her father's and mother's completed years of schooling, respectively. Yeari is the student's year in college, and Hoursi is his/her weekly hours spent studying the course materials. a. Jane is a sophomore student whose father is a college graduate (with 16 years of schooling) and mother is a high school graduate (with 12 years of schooling). Predict the minimum number of hours Jane needs to spend on the course each week to obtain a B (>=80). Keep 2 decimal places. Number of hours needed= b. Is it possible for a freshman with totally illiterate parents (i.e., 0 years of schooling) to obtain a passing grade (i.e., >=60) for the class? If so, how many hours should he spend on the course each week at minimum? Keep 2 decimal places. Number of hours needed=

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b) A radiator may be treated as a black body with a true surface area of 6 m². It has a surface temperature of 40 °C and situated in a dark room at 20 °C. The surface heat transfer coefficient is 4 W/m²K. Calculate the radiated heat transfer. (Stefan-Boltzmann constant, $\sigma$ = 56.7 x 10$^{-9}$ W/m²K$^4$) (5 marks)

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laura r.