?Find the derivative of .
?

A. ?
B. ?
C. ?
D. ?
E. ?


Answer: B

Mathematics

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Solve the equation.-6.4m - 1.9 + 0.2m = -2.1 - 6.2m + 0.2

A. 0 B. 0.2 C. all real numbers D. no solution

Mathematics

Expand by minors along the first column.

A. 9x - 12y + 7 B. -9x - 12y + 7 C. -9x + 12y + 7 D. -9x - 12y - 7

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

Wavelength. In physics, a wave is a disturbance that transfers energy through matter or space. A wavelength depends directly on the period of wave. The scientist has a mechanical wave of length 672 m with a period of 48 s. If the period becomes equal to 10 seconds, what will the length of the wave be equal to?

Mathematics