nama34
29.12.2021 •
Mathematics
Find the area of a triangle formed by x and y intercepted by hyperbola y= 4x²-4x-5
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Ответ:
He would have to invest $80,412.
Step-by-step explanation:
Compound interest:
The compound interest formula is given by:
Where A(t) is the amount of money after t years, P is the principal(the initial sum of money), r is the interest rate(as a decimal value), n is the number of times that interest is compounded per year and t is the time in years for which the money is invested or borrowed.
Assuming an interest rate of 3,43% compounded quarterly.
This means that
How much would he have to invest to have $148,700 after 18 years?
This is P for which
. So
He would have to invest $80,412.