Find the indicated partial sum for the sequence.729, -2187, 6561, -19,683, . . . ; S6

A. -132,678
B. -88,938
C. 265,356
D. -177,147


Answer: A

Mathematics

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Find the equilibrium solution of the equation. Use a sketch of the direction field for  to determine whether the equilibrium is stable.u'(t) +  = -1

A. u = -8; stable
B. u = ; unstable
C. u =- ; stable
D. u = 8; unstable

Mathematics

Solve the problem.Under a certain apportionment method, a state receives an apportionment of 42 seats when the total number of seats in the legislature is 234 but only 41 seats when the total number of seats in the legislature is 235. This is called

A. the new states paradox. B. the population paradox. C. a violation of the quota rule. D. the Alabama paradox. E. none of these

Mathematics

Solve the inequality by the test-point method. Write the solution in interval notation.(x + 5)(x + 4)(x - 1) > 0

A. (-?, -5) ? (-4, 1) B. (-5, -4) ? (1, ?) C. (-?, -4) D. (1, ?)

Mathematics

Convert the units using unit fractions.8000 lb =  tons

A. 4 
B. 3
C. 4
D. 5

Mathematics