subject
Mathematics, 27.11.2019 22:31 kimlyn58p0wyn0

Valeria is playing with her accordion. the length of the accordion a ( t ) a(t) (in cm cm) after she starts playing as a function of time t t (in seconds) can be modeled by a sinusoidal expression of the form a ⋅ cos ⁡ ( b ⋅ t ) + d a⋅cos(b⋅t)+d. at t = 0 t=0, when she starts playing, the accordion is 1 5 cm 15 cm long, which is the shortest it gets. 1 . 5 1.5 seconds later the accordion is at its average length of 2 1 cm 21 cm. find a ( t ) a(t).

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 15:30
The triangles are similar. what is the value of x? show your work.
Answers: 1
question
Mathematics, 21.06.2019 18:00
Aculture started with 3000 bacteria. after 5 hours it grew to 3900 bacteria. predict how many bacteria will be present after 9 hours
Answers: 3
question
Mathematics, 21.06.2019 20:30
Janet is rolling a number cube with the numbers one through six she record the numbers after each row if she rolls of keep 48 times how many times should she expect to roll a 4
Answers: 1
question
Mathematics, 22.06.2019 01:50
Write the point-slope form of an equation of the line through the points (-2, -3) and (-7, 4).
Answers: 1
You know the right answer?
Valeria is playing with her accordion. the length of the accordion a ( t ) a(t) (in cm cm) after she...
Questions
question
Mathematics, 13.06.2020 18:57
question
Mathematics, 13.06.2020 18:57