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).

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 16:00, isabellemaine

Martin likes to make flower bouquets that have 3 daffodils and 4 tulips per vase. a daffodil has a mass of d grams, a tulip has a mass of t grams, and the vase has a mass of u grams. the expression 5(3d + 4t + v) describes the mass of 5 bouquets. match each amount in the situation with the expression that represents it. situation expression number of bouquets mass of one bouquet mass of the tulips in one bouquet 4t mass of the daffodils in one bouquet 3d + 4t + v

Answers: 2

continue

Mathematics, 21.06.2019 17:00, nmulder

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

Answers: 3

continue

Mathematics, 21.06.2019 20:30, bullockarwen

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*

Answers: 1

continue

Mathematics, 22.06.2019 00:30, carriboneman

"which statement is necessarily true if bd is an altitude to the hypotenuse of right ? abc? a.) ? adb? ? bdc b.) ? adb~? bdc c.) abbc=acbd d.) ? bac? ? bdc"

Answers: 3

continue

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...