Find the magnitude of the vector v =


Mathematics

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Use front end rounding to round the number.There were 31,664 fans at the football game.

A. 40,000 fans B. 30,000 fans C. 41,000 fans D. 31,000 fans

Mathematics

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

Mathematics

Factor, if possible.5x2 - 30x + 45

A. (5x - 15)(x - 3) B. 5(x + 3)2 C. 5(x - 3)2 D. Prime polynomial

Mathematics

Find the second-order partial derivative.Find fxx when f(x, y) = x4y5 - x7y7 + 17x - y.

A. 12x2y5 - 42x5y7
B. 12x3y5 - 42x6y7
C. 12x2y4 - 42x5y6
D. 3x2y5 - 6x5y7

Mathematics