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Which country was the first to adopt a democratic system of government?A. RomeB. Greecec. BritainD. ChinaE.India
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Let kids denote the number of children ever born to a woman, and let educ denote years of education for the woman. A simple model relating fertility to years of education is: kids= o+ 1.educ + , where is the unobserved error. a. What kinds of factors are contained in ? Are these likely to be correlated with level of education? b. Will a simple regression analysis uncover the ceteris paribus effect of education on fertility? Explain
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What mass of strontium nitrate (Sr(NO3)2) would be required to prepare 2.000 L of a 0.0150 M aqueous solution of this salt?
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it was economically necessary for east germany to build the berlin wall because millions of east germans, many who were trained workers and professionals, were leaving east berlin for freedom in west berlin. the east german economy was on the verge of collapse.TRUE OR FALSE
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What kind of pollution might cause whales and dolphins to strand on beaches?
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A uniform plank of length 6.1 m and mass 33 kg rests horizontally on a scaffold, with 1.6 m of the plank hanging over one end of the scaffold. L l x How far can a painter of mass 60 kg walk on the overhanging part of the plank x before it tips? The acceleration of gravity is 9.8 m/s 2 . Answer in units of m.
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Paper was first used in which of these classical civilizations?OA. The Mauryan Empire) B. Greek city-statesOC. The Roman EmpireOD. Han China
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Lin's father is paying for a $20 meal. He has a 15%-off for the meal. After the discount, a 7% sales tax is applied. What does Lin's father pay for the meal?
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Students for a Democratic Society (SDS) was an activist organization in the 1960s that protested the Vietnam War, racial injustice, and economic exploitation. For the most part, the organization favored direct action and protest, but a small faction attempted to realize change through conventional politics. This faction was never very popular within the group, most of which opposed traditional organizing and politics and sought a radically new form of social organization. Based on this information, you could say that members of SDS were part of a:a.counterculture.b.subculture.c.ethnocentric group.d.popular culture organization.e.movement for cultural diffusion.
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Counselors who help victims to understand the operations of the criminal justice system, who guide victims through the justice process, and who may provide transportation to and from court are called victim
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Scientists enroll 500 healthy adults in a study and collect dietary and other lifestyleinformation about the group. After 6 years, the scientists determine that study participantswho ate at least 5 servings of fruits and vegetables daily were less likely to develop highblood pressure than participants who ate fewer than 5 servings of these foods daily. This studyis an example of a(n) ____ study.A. prospectiveB. nutritiveC. retrospectiveD. introspective
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Suppose that your employee Richard has been having trouble with the paperwork he must do for his job. Your goal is for the employee to improve his performance; i.e. decrease his rate of errors. You are considering two approaches: Option 1 is to spend time with Richard every day helping him with his job and appreciating him every time he performs well. This is an appealing option to Richard because he appreciates the attention and sees it as a reward. Option 2 is to tell Richard that he would not be entitled to any incentive until his performance improves. Option 1 in the scenario above is an example of____________.a. negative reinforcement.b. extinction.c. punishment.d. none of the abovee. positive reinforcement.
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Cobalt-60 is a radioactive isotope used to treat cancers. A gamma ray emitted by this isotope has an energy of 1.33 MeV (million electron volts; 1 eV = 1.602 x 10 J). What is the frequency (in Hz) and the wavelength (in m) of this gamma ray?
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Owners of individual domains get to decide what content is published on their websites. Why might this autonomy be important to the development of the Internet? How or why does autonomy scale?
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4x-4y=0Y=2x+6Solve by substitution
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difference between Herbert Hoover's and Franklin Roosevelt's political philosophies
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Triangle LAQ has side lengths of 9, 20, and 15. Classify the triangle by its sides.scalene triangleequilateral triangleisosceles trianglescalar triangle
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Subtract. Express your answer in lowest terms 10 2/5 - 3 4/5
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Roland has 180 coins in his collection. Approximately 67% of the coins are quarters. About how many quarters does he have?
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The angle at which light strikes a surface is the same as the angle at which it is reflected. true or false
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Which of the following accounts is an asset?A.Service RevenueB.Accounts PayableC.Prepaid ExpenseD.Salaries Expense
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Kevin analyzes the quarterly earnings statements of some fifty obscure small-cap stocks. He then buys according to the earnings pattern disclosed. If he can generate consistent abnormal returns in this manner then this is a failure of:_______. a) weak form efficiency.b) semi-strong form efficiency.c) strong form efficiency.d) all of the above.e) none of the above.
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jake rode his bike from 2:30 to 3:30. then he took a shower.he finished his shower 30 minutes after the bike ride ended what time was it when he finished his shower? how would you show this time on a clock face
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Find and equation for the line with the given properties. Express the equation in general form. Slope -6/7; containing the point (10,-9) what is the equation for the line?
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