Rationalize the denominator and simplify.
A. 52
B. 3
C. 
D. 
Answer: C
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Find the value of each square root by use of a calculator. Each number is approximate.
A. 4.3253 B. 5.78050 C. 4.32525 D. 5.7805
Write the set by listing its elements.{x? x = 4n for some n ? N}
A. {0, 4, 8, 12, . . .} B. {4, 8, 12, . . .} C. ? D. {8, 12, 16, . . .}
Provide an appropriate response.A pediatric speech therapist started her own practice in 2004. The table below shows the number of children she treated each year from 2004 to 2012. The data is to be aligned to the number of years past 2000 and fitted with a linear model.
Classify each of the following as discrete or continuous.i) The data in the tableii) A scatter plot made from the dataiii) The best-fit linear model obtained for the dataiv) The graph of the best-fit linear model obtained for the data
What will be an ideal response?
Solve the problem.A drug company is running trials on a new test for anabolic steroids. The company uses the test on 400 athletes know to be suing steroids and 200 athletes known not to be using steroids. Of those using steroids, the new test is positive for 390 and negative for 10. Of those not using steroids, the test is positive for 10 and negative for 190. What is the estimated probability of a false negative result (the probability that an athlete using steroids will test negative)?
A. 0.05 B. 0.975 C. 0.025 D. 0.95