Let u be the vector with initial point P(7,-3) and terminal point Q(1,4) . Express u in terms of i and j.
(a) u = -6i + 6j
(b) u = -6i + 7j
(c) u = -3i - 2j
(d) u = -6i + j
(e) none
(b) u = -6i + 7j
Mathematics
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A. {(-30, 10)} B. {(10, -30)} C. {(x, y)|2x - 6y = 5} D. ?
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A number is given in decimal notation. Write the number in scientific notation.In a certain city, the subway system carried a total of 1,820,000,000 passengers.
A. 18.2 × 109 B. 1.82 × 1010 C. 1.82 × 109 D. 1.82 × 108
Mathematics
Find the effective rate of interest.5.5% compounded quarterly
A. 5.705% B. 5.614% C. 5.623% D. 6.405%
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Solve the problem.If tan ? = -1.1, find the value of tan ? + tan (? + ?) + tan (? + 2?).
A. -1.3 B. -3.3 C. -3.3 + 3? D. undefined
Mathematics