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aubreyfoster
02.05.2021 •
Mathematics
Y=x^x+(sinx)^x find dy/dx
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Ответ:
Explanation:
year 1 (all the values are is $)
Initial debt 40,000Interest of the year (7.5%) 7.5% × 40,000 = 3,000Debt at the end of the year(including the interest) 40,000 + 3,000 = 43,000
Payment at the end of the year(half of the debt) 43,000 / 2 = 21,500
Debt after payment 21,500year 2 (all the values are is $)
Initial debt 21,500Interest of the year (7.5%) 7.5% × 21,500 = 1,612.50Debt at the end of the year(including the interest) 21,500 + 1612.50 = 23,112.50
Payment at the end of the year(half of the debt) 23,112.50 / 2 = 11,556.25
Debt after payment 11,556.25year 3 (all the values are is $)
Initial debt 11,556.25Interest of the year (7.5%) 7.5% × 11,556.25 = 866.72Debt at the end of the year(including the interest) 11,556.25 + 866.72 = 12,422.97
Payment at the end of the year(half of the debt) 12,422.97 / 2 = 6,211.48
Debt after payment 6,211.48year 4 (all the values are is $)
Initial debt 6,211.48Interest of the year (7.5%) 7.5% × 6,211.48 = 465.86Debt at the end of the year(including the interest) 6,211.48 + 465.86 = 6,667.35
Payment at the end of the year(half of the debt) 6,667.35 / 2 = 3,338.67
Amount paid back at the end of 4 years ($) :
21,500 + 11,556.25 + 6,211.48 + 3,338.67 = 42,606.41