Mathematics, 25.09.2019 15:30 santos200154
The rate at which a duck gains weight is proportional to the difference between its adult weight and its current weight. at time t=0, when the duck is first weighed, it's weight is 20 grams. if b(t) is the weight of the duck, in grams, at time t days after it is first weighed, then "db/dt = 1/5(100-b)". let y=b(t) be the solution to the differential equation above with the initial condition b(0) =20.
is the duck gaining weight faster when it weighs 40 grams or when it weighs 70 grams? explain your reasoning.
Answers: 1
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The perimeter of ? cde is 55 cm. a rhombus dmfn is inscribed in this triangle so that vertices m, f, and n lie on the sides cd , ce , and de respectively. find cd and de if cf=8 cm and ef=12 cm. the answer is not cd=20 and de=15. i have tried that one, it does not work.
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