Evaluate the appropriate geometry formula to answer the question.A small airplane is thought to have crashed in the triangular region formed by three islands. Using the measurements in the diagram, find the area of the triangle. Round to the nearest square mile.
A. 199,920 mi2
B. 799,680 mi2
C. 399,840 mi2
D. 133,280 mi2
Answer: A
Mathematics
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Use a calculator to evaluate the following expression. (Round your answer to three decimal places.)
?
?
A. 863.773 B. 893.773 C. 873.773 D. 3.137 × 1010 E. 883.773
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Find the product. Write the answer in standard form.i(6 - 9i)(6 - 5i)
A. 81 - 24i B. 84 - 9i C. -84 + 9i D. 45i3 + 84i2 + 36i
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Use a graphing calculator to graph the parabola.2.3(y - 0.4)2 = 0.1(x + 3.9)
A. y = 0.4 ± 
B. y = 0.4 ± 
C. y = -0.4 ± 
D. y = -0.4 ± 
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Solve the equation.(3x)2 = (3x + 6)2 - (x + 6)2
A. {0, 24} B. {-24} C. {-24, 0} D. {24}
Mathematics