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If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?
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The verbal translation for the difference of m and 7 increased by 15
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The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?
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Unaware that 35% of the 10000 voters in his constituency support him, a politician decides to estimate his political strength. a sample of 200 voters shows that 40% support him. a. what is the population? b. what is the parameter of interest? state its value c. what is the statistics of the interest? state its value d. compare your answers in (b) and (c) is it surprising they are different? if the politician were to sample another 200 voters, which of the two numbers would most likely change? explain
Answers: 2
A certain fraction is close to 30%. What might it be?...
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