The formula s = 16t2 is used to approximate the distance s, in feet, that an object falls freely (from rest) in t seconds. Use this formula to solve the problem. (Round answer to the nearest tenth.)A branch of a tree hangs 525 ft above the soil. If a twig breaks off, how long will it take it, falling freely, to reach the soil?
A. About 5.7 sec
B. About 91.7 sec
C. About 32.8 sec
D. About 8400.0 sec
Answer: A
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Add.(-9x2y - xy) + (3x2y + 8xy)
A. -6x2y + 9xy B. 12x2y + 9xy C. 12x2y + 7xy D. -6x2y + 7xy
Solve the problem. Round your answer to the nearest tenth unless otherwise indicated.Brett and Helina went on a 52-mile canoe trip with their class. On the first day they traveled 13 miles. What percent of the total distance was that?
A. 4% B. 400% C. 0.25% D. 25%
Find the standard quota asked for. Round your answer to two decimals.A small country consists of 7 provinces with the following populations: There are 320 federal judges to be apportioned according to the population of each province.Find the standard quota for province G.
A. 58.14 B. 67.74 C. 53.29 D. 45.54
Solve the problem.The number of visitors to a tourist attraction (for the first few years after its opening) can be approximated by where x represents the number of months after the opening of the attraction. Find the number of visitors 32 months after the opening of the attraction.
A. 370 visitors B. 100 visitors C. 55 visitors D. 82 visitors