Solve the equation by completing the square.25x2 + 30x + 8 = 0
A. {
, 
}
B. {- 
, - 
}
C. {- 
, - 
}
D. {- 
, 
}
Answer: C
Mathematics
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Solve the problem.A rectangular swimming pool is being constructed, 18 feet long and 100 feet wide. The depth of the pool is measured at 3-foot intervals across the length of the pool. Estimate the volume of water in the pool using the Trapezoidal Rule.
A. 8700 ft3 B. 5800 ft3 C. 7700 ft3 D. 10,200 ft3
Mathematics
Solve the equation.log25 x = 
A. {25}
B. {5}
C. 
D. {-5}
Mathematics
Perform the indicated operation.(3.8x3 - 5.8x2 - 4) - (8.2x3 - 2.3x2 + 3)
A. -4.4x3 - 3.5x2 + 7 B. 12x3 - 3.5x2 - 7 C. -4.4x3 - 8.1x2 - 7 D. -4.4x3 - 3.5x2 - 7
Mathematics
To the nearest tenth of square inch, find the area of the regular pentagon whose apothem measures 4.2 inches and whose sides measure 6.2 inches.
?
A. 
B. 
C. 
D. 
Mathematics