Calculate the circulation of the field F around the closed curve C.F = y3i + x2j; curve C is the counterclockwise path around the triangle with vertices at  , and 

A. 0
B. - 
C.
D.


Answer: D

Mathematics

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Solve the problem.A recipe calls for 1  cups of sugar for 20 brownies. How much of sugar is needed to make 8 brownies?

A. c
B. 9c
C.  c
D. 3 c

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Solve the equation.log (5 + x) - log (x - 4) = log 4

A.
B. {-7}
C. {7}
D. ?

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Solve the problem.How many different license plates can be made using 3 letters followed by 4 digits selected from the digits 0 through 9, if neither letters nor digits may be repeated? 

A. 47,174,400 B. 78,624,000 C. 546,000 D. 175,760,000

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The Richter scale converts seismographic readings into numbers for measuring the magnitude of an earthquake according to this function M(x) = log , where xo = 10-3.What is the magnitude of an earthquake whose seismographic reading is 0.94 millimeters at a distance of 100 kilometers from its epicenter?

Fill in the blank(s) with the appropriate word(s).

Mathematics