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A) Since x, 12, y form a geometric sequence, we know that there exists some real number "r" (common ratio) such that 12=xr and y=12r. Hence, r= 12/x =y/12 => xy=144 => k=144 (cros...
Answer: escape velocity v = sqrt[(2GM)/r], where G is the gravitational constant.Reasoning: Conservation of energy means that the total initial energy must be equal to the total final energy, ...
The personality cults of Mao Zedong and Adolf Hitler were highly important to controlling their respective states, as they established a level of informal, "soft" power throughout both their par...
When using proof by induction we most often prove a statement P for positive integers n. We think about the problem in a domino-toppling fashion. The first step is to write out P(n=1), so inserting 1 for ...
DNA is contained in the nucleus of a cell, and is in double-helix form with a sense strand and complimentary anti-sense strand. The two strands have bases hydrogen-bonded to each other with sugar phosphat...
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