Solve the problem.Suppose that y is inversely proportional to x and that y = 5.5 when x = 11. Find the constant of proportionality k. Then, find y when x = 6.
A. k = 24.2; y = 
B. k = 60.5; y = 
C. k = 12.1; y = 
D. k = 0.5; y = 3
Answer: B
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A rancher wishes to fence a rectangular area of 500 sq. ft. He wants to use only whole-number dimensions.What dimensions will require the least amount of fencing? [Remember the area of a rectangle is A l w and the perimeter is P 2(l + w).]
What will be an ideal response?
Prepare a probability distribution for the experiment. Let x represent the random variable, and let P represent the probability.Two marbles are drawn from a bag in which there are 4 red marble and 2 blue marble. The number of blue marbles is counted.
A. 
B. 
C. 
D. 
Write the expression as the sum or difference of logarithms.logn xy
A. logn x - logn y B. logx n + logx y C. log2 x - log2 y D. logn x + logn y
Fill in the blank with one of the words or phrases listed below. Not all choices will be used and some choices may be used more than once.
The expression a3 + b3 is called a 
.
A. sum of two cubes B. difference of two squares C. difference of two cubes D. perfect square trinomial