Solve the problem.A certain expansion bridge normally measures 1,294 feet but expands by 1.6 feet on a hot day. If there were no expansion joints to absorb the elongation, the bridge might buckle as shown in the figure. Estimate the height of the bulge, AB. Note that chord BC is approximately the same as the length of arc BC. Round your answer to the nearest hundredth.
A. 1.6 feet
B. 1,035.84 feet
C. 64.37 feet
D. 32.18 feet
Answer: D
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Find all cube roots of the complex number. Leave answers in trigonometric form.-6
- 6i
A. 
cis 70°, 
cis 190°, 
cis 310°
B. 
cis 80°, 
cis 200°, 
cis 320°
C. 
cis 70°, 
cis 190°, 
cis 310°
D. 
cis 70°, 
cis 190°, 
cis 310°
Convert as indicated.974 mg to kilograms
A. 97,400 kg B. 0.0974 kg C. 974,000 kg D. 0.000974 kg
Provide an appropriate response.A check is the only means of withdrawing funds from a checking account.
A. True B. False
Solve the problem.The side of a square equals the length of a rectangle. The width of the rectangle is 4 meters longer than its length. The sum of the areas of the square and the rectangle is 240 square centimeters. Find the side of the square.
A. 10 cm B. 100 cm C. 2 cm D. 12 cm