Solve the problem.A platform has the shape of a frustum of a cone. Find its centroid if the radii of its bases are 2.00 ft and 9.00 ft and the height between bases is 7.00 ft.
A. 2.19 ft from the center of the larger base
B. -0.0777 ft from the center of the larger base
C. 9.08 ft from the center of the larger base
D. 6.81 ft from the center of the larger base
Answer: A
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Compute the partial sum of the geometric series for the stated value of n. Round your answers to four decimal places.ak = 9
(k-1); n= 7
A. S7 = 8.052475 B. S7 = 4.783975 C. S7 = 9.062475 D. S7 = 6.046875
Use the table of record trout lengths at Yosemite Lake to answer the question. To find the average, add up the values you are interested in and then divide the sum by the number of values. Round your answer to the nearest tenth.
Find the average length of record trout caught on a holiday weekend (Saturday, Sunday, Monday).
A. 12.6 in. B. 13.2 in. C. 9.4 in. D. 11.8 in.
Find the solution set for the system by graphing both of the system's equations in the same rectangular coordinate system and finding points of intersection.x2 - y2 = 121x2 + y2 = 121 
A. {(11, 0)} B. {(11, 0), (-11, 0)} C. {(0, 11), (0, -11)} D. {(0, 11)}
Express the number in scientific notation.0.000099611
A. 9.9611 × 105 B. 9.9611 × 10-4 C. 9.9611 × 10-5 D. 9.9611 × 104