For a person at rest, the velocity v (in liters per second) of airflow during a respiratory cycle (the time from the beginning of one breath to the beginning of the next) is given by
?
,
?
where t is the time (in seconds).
(Inhalation occurs when v> 0 and exhalation occurs when v< 0.)
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Find the number of cycles per minute.
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A. 14 cycles/min
B. 11 cycles/min
C. 10 cycles/min
D. 15 cycles/min
E. 12 cycles/min
Answer: C
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The lists below show five agricultural crops in Alabama, Arkansas, and Louisiana.AlabamaArkansasLouisianasoybeans (s)soybeans (s)soybeans (s) peanuts (p)rice (r)sugarcane (n)corn (c)cotton (t)rice (r)hay (h)hay (h)corn (c)wheat (w)wheat (w)cotton (t)Let U be the smallest possible universal set that includes all of the crops listed, and let A, K and L be the sets of five crops in Alabama, Arkansas, and Louisiana, respectively. Find each of the following sets.The set of crops common to A, K, and L
A. {n, p, s} B. {n, p} C. {c, h, n, p, r, s, t, w} D. {s}
Convert as indicated.39.8 mm to decimeters
A. 3980 dm B. 398 dm C. 3.98 dm D. 0.398 dm
Multiply:
Is this the graph of g(x) = 2x3 + 3x2 - 12x - 5?Enter just "yes" or "no" (lower case).
Fill in the blank(s) with the appropriate word(s).