Mathematics, 08.01.2020 05:31, joseroblesrivera123
Acountry has 10 billion dollars in the paper currency in circulation, and each day 33 million dollars come into the country's banks. the government decides to introduce new currency by having the banks replace old bills with new ones whenever old currency comes into the bank. let x = x(t)denote the number of new dollars in circulation after days with units in billions and x(0) = 0.
a. determine a differential equation which describes the rate at which is growing:
b. solve the differential equation subject to the initial conditions given above.
c. how many days will it take for the new bills to account for 90 percent of the currency in circulation?
Answers: 1
Mathematics, 21.06.2019 14:00, heavendl13
Adriveway is 60-feet long by 6-feet wide. the length and width of the driveway will each be increased by the same number of feet. the following expression represents the perimeter of the larger driveway: (x + 60) + (x + 6) + (x + 60) + (x + 6) which expression is equivalent to the expression for the perimeter of the larger driveway? a) 2(x + 66) b) 4x + 33 c) 4(x + 33) d) 4(x + 132)
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Select true or false to tell whether the following conditional p q is true or false. use the truth table if needed. if a week has seven days, then a year has twenty months.
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Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?
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Acountry has 10 billion dollars in the paper currency in circulation, and each day 33 million dollar...
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