Mathematics, 13.04.2020 09:21 damarisxo4798
Aditya's dog routinely eats Aditya's leftovers, which vary seasonally. As a result, his weight fluctuates
throughout the year.
The dog's weight W(t) (in kg) as a function of time t (in days) over the course of a year can be modeled by
a sinusoidal expression of the form a. cos(b. t) + d.
Att = 0, the start of the year, he is at his maximum weight of 9.1 kg. One-quarter of the year later, when
t = 91.25, he is at his average weight of 8.2 kg.
Find W(t).
t should be in radians.
W(t) =
Answers: 3
Mathematics, 21.06.2019 17:00, Taylor129
Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?
Answers: 1
Mathematics, 21.06.2019 19:30, leannamat2106
Which statements are true? check all that apply. the line x = 0 is perpendicular to the line y = –3. all lines that are parallel to the y-axis are vertical lines. all lines that are perpendicular to the x-axis have a slope of 0. the equation of the line parallel to the x-axis that passes through the point (2, –6) is x = 2. the equation of the line perpendicular to the y-axis that passes through the point (–5, 1) is y = 1.
Answers: 1
Mathematics, 21.06.2019 20:30, Travisbennington
Three numbers x, y, and z are in the ratio 2: 7: 8. if 12 is subtracted from y, then three numbers form a geometric sequence (in the order x, y–12, z). find x, y, and z. there are 2 sets.
Answers: 1
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