According to estimates by Paul Kroger Associates, the percent of households that own VCRs is given by 
, where t is measured in years, with t = 0 corresponding to the beginning of 1985.
?
What percent of households owned VCRs at the beginning of 1985? Round your answer to the nearest tenth.
?
__________%
?
At the beginning of 1992? Round your answer to the nearest tenth.
?
__________%
What will be an ideal response?
3.0; 56.2
Mathematics
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Solve the problem.A vertical right circular cylindrical tank measures 26 ft high and 14 ft in diameter. It is full of oil weighing 
How long will it take a (1/2)-horsepower (hp) motor (work output 
to pump the oil to the level of the top of the tank? Give your answer to the nearest minute.
A. 189 min B. 11,352 min C. 378 min D. 60 min
Mathematics
Complete the sentence so the result is an identity. Let x be any real number. + sin2x = 1
A. csc2x B. tan2x C. sin2x D. cos2x
Mathematics
Find the area.
A. 64 in2 B. 32 in2 C. 12 in2 D. 16 in2
Mathematics
Write the rate as a unit rate.An extreme bicyclist pedaled 2560 miles on a 16 day trip. Write this rate in miles per day.
A. 2560 miles/day
B. 16 miles/day
C. 
miles/day
D. 160 miles/day
Mathematics