Use a proportion to solve the problem.On April 26, 2005, 1 U.S. dollar was worth about 11.059 Mexican pesos. How much would 570 U.S. dollars be worth in Mexican pesos?
A. $6303.63
B. $52.44
C. $6446.70
D. $51.54
Answer: A
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Solve. Round to the nearest whole if necessary.24% of the lawyers in a firm are female. If there are 800 lawyers altogether, how many lawyers are female?
A. 192 lawyers B. 3333 lawyers C. 3 lawyers D. 608 lawyers
What is the median for the following set of numbers?
48, 54, 56, 62, 68, 70, 72, 74, 75, 76, 80, 81, 83, 85, 90, 94.
Solve the problem.A product of two oscillations with different frequencies such as f(t) = sin(10t) sin(t)is important in acoustics. The result is an oscillation with "oscillating amplitude." src="https://sciemce.com/media/4/ppg__10624191808__f1q17g4.jpg" alt="" style="vertical-align: -4.0px;" /> last two functions constitute an "envelope" for the function g(t). For certain values of t, the two cosine functions in g(t) cancel each other out and near-silence occurs; between these values, the two functions combine in varying degrees. The phenomenon is known (and heard) as "beats." For what values of t do the functions cancel each other?
What will be an ideal response?
the product f(t) of the two oscillations as a sum of two cosines and call it g(t).
a graphing utility, graph the function g(t) on the interval 0 ? t ? 2?.
the same system as your graph, graph y = sin t and y = -sin t.
A formula is given along with the values of all but one of the variables in the formula. Find the value of the variable not given. Round to the nearest hundredth where necessary.d = rt; t = 4, d = 20
A. 5 B. 0.2 C. 24 D. 16