Solve the problem.A pier 1250 meters long extends at an angle from the shoreline. A surveyor walks to a point 1500 meters down the shoreline from the pier and measures the angle formed by the ends of the pier. If is found to be 53°. What acute angle (correct to the nearest tenth of a degree) does the pier form with the shoreline? Is there more than one possibility? If so, how can we know which is the correct one?
What will be an ideal response?
53.6° or 20.4°; yes; direct observation
Mathematics
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Use the mileage chart shown below to find the minimum spanning tree for the 5 cities of Boston, Buffalo, Chicago, Columbus, and Louisville.
Using Kruskal's algorithm which edge is chosen third?
A. Buffalo - Columbus. B. Columbus - Louisville. C. Boston - Buffalo. D. Boston - Chicago. E. none of these
Mathematics
Provide an appropriate response.Find angle C. Round to the nearest 0.1°. 
A. 144.3° B. 39.7° C. 116.4° D. 27.9°
Mathematics
Find the indicated matrix.Let A = [-2 2] and B = [1 0]. Find 2A + 3B.
A. [-4 4] B. [-3 4] C. [1 2] D. [-1 4]
Mathematics
What number is 170% of 16? Give your answer to one decimal place, if required.
Fill in the blank(s) with the appropriate word(s).
Mathematics