Solve the problem.A railroad bridge is built over a V-shaped canyon. If the supports are 4 feet long at each end, the center support is 409 feet long, and the supports increase in length by 3 feet with each support (from 4 feet to 409 feet), what is the total length of all the supports?
A. 55,755 ft
B. 55,756 ft
C. 55,762 ft
D. 55,759 ft
Answer: D
Mathematics
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A. 3 ? 72 - 5 = (21 - 5)2 = 16 = 256 B. 3 ? 72 - 5 = 3 ? 49 - 5 = 147 - 5 = 142 C. 3 ? 72 - 5 = 3 ? 22 = 3 ? 4 = 12 D. 3 ? 72 - 5 = 212 - 5 = 441 - 5 = 436
Mathematics
Solve the problem. Round your answer, as needed.Dr. Taylor can see 6 patients in 3 hours. At this rate, how long would it take him to see 48 patients?
A. 23 hours B. 96 hours C. 18 hours D. 24 hours
Mathematics
Choose the correct LCD for the fractions in the equation: + = .
a. 27x b. 3x c. x d. 9x
Mathematics
Evaluate the definite integral.
A. 1.140 B. 7.731 C. 9.863 D. 0.277
Mathematics