Find the square root. Assume that all variables represent positive real numbers.
A. 6
B. 12
C. not a real number
D. 5
Answer: D
Mathematics
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Provide an appropriate response.Suppose a radioactive substance has a half-life of 1000 years. What fraction will be left after 1000 years?
A. 4
B. 2
C. 
D. 
Mathematics
Show that the set has cardinal number ?0 by establishing a one-to-one correspondence between the set of counting numbers and the given set. Be sure to show the pairing of the general terms in the sets.{0, 2, 4, 6, 8, ...}
A.
| { | 1, | 2, | 3, | 4, | ..., | n, | ...} |
| ? | ? | ? | ? | ? |
| { | 0, | 2, | 4, | 6, | ..., | 2n + 2, | ...} |
B.
| { | 1, | 2, | 3, | 4, | ..., | n, | ...} |
| ? | ? | ? | ? | ? |
| { | 0, | 2, | 4, | 6, | ..., | 2n - 1, | ...} |
C.
| { | 1, | 2, | 3, | 4, | ..., | n, | ...} |
| ? | ? | ? | ? | ? |
| { | 0, | 2, | 4, | 6, | ..., | 2n - 2, | ...} |
D.
| { | 1, | 2, | 3, | 4, | ..., | n, | ...} |
| ? | ? | ? | ? | ? |
| { | 0, | 2, | 4, | 6, | ..., | 2n, | ...} |
Mathematics
Answer the question.The Humane Society is interested in the average length of the tail of tabby cats. What is the population?
A. All cats with a tail B. All cats C. All tabby cats D. All of these
Mathematics
Express in terms of sums and differences of logarithms.ln
A. 3 ln x + 
ln y
B. ln 
C. 6
+ 
D. 6 ln x + ln y
Mathematics