Solve the equation.(2x + 5)1/2 - (x - 2)1/2 = 3

A. {3, 8}
B. {-2}
C. {2}
D. {2, 38}


Answer: D

Mathematics

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Find the first five terms of the geometric sequence with the given first term and common ratio.a1 = -2, r = - 

A. -2, - , - , - , - 
B. -2, -14, -98, -686, -4802
C. -2, , - , - 
D. -2, 14, -98, 686, -4802

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A. x B. y C. 1 D. xy

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Calculate.11.9 × 24.23 + 6.7 × 

A. 73.75925 B. 290.012 C. 77.65425 D. 299.087

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