Find all solutions of the equation in the complex number system.x2 - 6x + 9 = -25
A. {3 + 5i}
B. {3 + 5i, 3 - 5i}
C. ?
D. {3 - 5i}
Answer: B
Mathematics
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Solve the problem.An ice cream store has 5 flavors. If we pick flavors successively at random, what is the probability that the flavor strawberry will be selected for the first time on pick 9? [the same flavor can be picked more than once]
A. 0.033554 B. 0.000002 C. 0.167772 D. None of the above is correct.
Mathematics
Find the area of the shaded region in the figure. Round results to the nearest unit. Use ? ? 3.14.
A. 24 m2 B. 96 m2 C. 48 m2 D. Not enough information given
Mathematics
Provide an appropriate response.Write as an ordinary number: 5.1 × 10-2
A. 0.0051 B. 510 C. 0.051 D. 5,100
Mathematics
Find the absolute value.|-21|
A. 21 B. 0 C. -21 D. ±21
Mathematics