Solve.One number is one larger than another positive number. If the reciprocal of the smaller number is multiplied by the reciprocal of the larger number, the product is 
. Find the two numbers.
A. 14, 15
B. 12, 13
C. 13, 14
D. 11, 12
Answer: C
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Solve the problem.An estate consisting of a car, a boat, a house, and a collection of rare books must be divided fairly among five heirs. This type of problem is called
A. a discrete fair division problem. B. the method of sealed bids. C. a mixed fair division problem. D. a continuous fair division problem. E. none of these
Find the least common denominator for the fractions in the list.
, 
, 
A. 270x5 B. 54x2 C. 135x20 D. 90x5
Find the inverse of the relation.{(5, 1), (6, 1), (7, 4), (8, 3)}
A. {(1, 5), (1, 6), (4, 7), (3, 8)} B. {(5, 3), (5, 4), (7, 6)} C. {(1, 5), (6, 4), (7, 3)} D. {(1, 5), (3, 4), (7, 6)}
Solve.The time in hours it takes a satellite to complete an orbit around the earth varies directly as the radius of the orbit (from the center of the earth) and inversely as the orbital velocity. If a satellite completes an orbit 
above the earth in 
at a velocity of 
how long would it take a satellite to complete an orbit if it is at 
/> above the earth at a velocity of 
(Use 
as the radius of the earth.)
A. 27.28 hours
B. 166.65 hours
C. 5.01 hours
D. 16.66 hours