Solve the problem.A comet follows the hyperbolic path described by 
where x and y are in millions of miles. If the sun is the focus of the path, how close to the sun is the vertex of the path?
A. 1.7 million mi
B. 34 million mi
C. 7.1 million mi
D. 4.1 million mi
Answer: A
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Solve the equation by the Square Root Method.x2 = 7
A. {
}
B. {7, -7}
C. no real solution
D. {
, -
}
Use Bayes' rule to find the indicated probability.The incidence of a certain disease on the island of Tukow is 4%. A new test has been developed to diagnose the disease. Using this test, 91% of those who have the disease test positive while 4% of those who do not have the disease test positive (false positive). If a person tests positive, what is the probability that he or she actually has the disease?
A. 0.438 B. 0.487 C. 0.91 D. 0.856
A student wants to average a 6.4% return by investing $40,000 in the three stocks listed in Illustration. Because HiTech is a high-risk investment, he wants to invest three times as much in SaveTel and OilCo combined as he invests in HiTech. How much should he invest in each stock? StockRate of returnHiTech10%SaveTel5%OilCo6%?
A. $24,000 in HiTech, $10,000 in SaveTel, $6,000 in OilCo B. $24,000 in HiTech, $6,000 in SaveTel, $10,000 in OilCo C. $6,000 in HiTech, $24,000 in SaveTel, $10,000 in OilCo D. $10,000 in HiTech, $24,000 in SaveTel, $6,000 in OilCo E. $6,000 in HiTech, $10,000 in SaveTel, $24,000 in OilCo
Provide an appropriate response.Give an example of a vector quantity. Explain your answer.
What will be an ideal response?