Find the value of the determinant.
A. 8
B. -8
C. 64
D. 4
Answer: A
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Use DeMoivre's Theorem to write the expression in rectangular form.
3
A. 64
B. 8 + 6i
C. 8
D. -2 + 2i
Find the value of the probability of the standard normal variable Z corresponding to the shaded area under the standard normal curve. Round your answer to four decimal places.
?
A. 0.1638 B. ?0.2299 C. ?0.8181 D. ?0.2152 E. ?0.8295
Solve the system graphically. If a system has an infinite number of solutions, use set-builder notation to write the solution set. If a system has no solution, state this. Round to the nearest hundredth if necessary.-2x + 3y = 153x - 2y = 0
A. (-2, 6) B. No solution C. (9, 6) D. (6, 9)
Use determinants to find the area of the triangle with vertices at the given points. P(0, 0), Q(12, 0), R(12, 9)
A) A = 54 B) A = 9 C) A = 12 D) A = 108 E) none of these