Solve the problem.If y varies directly as the cube of x, and y = 4 when x = 28, find y when x = 7.
A.
B. 256
C. 1
D. 16
Answer: A
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Evaluate the expression using the given values. ; x = 11, y = 12
A. 58 B. 61 C. 127 D. 122
The loudness of a sound of intensity x, measured in watts per square meter, is defined as L(x) = log (), where xo = 10-3.At a recent Phish rock concert, sound intensity reached a level of 0.50 watt per square meter. To the nearest whole number, calculate the loudness of this sound in decibels.
Fill in the blank(s) with the appropriate word(s).
Prepare a probability distribution for the experiment. Let x represent the random variable, and let P represent the probability.Four cards are drawn from a deck. The number of red tens is counted.
A.
B.
C.
D.
Find an equivalent equation in polar coordinates.y = x
A. r = cos ? B. r = sin ? C. sin ? = - cos ? D. sin ? = cos ?