kandicelima01
08.10.2019 •
Mathematics
Need
the value of an investment can be predicted using the function it=p1.078t where p is the initial amount invested and t is the number of years the money has been invested. what is the annual interest rate?
a.to the nearest tenth of a percent,
b.what is the quarterly interest rate?
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Ответ:
A=p(1+0.078)^t
So
Interest rate 0.078×100=7.8%
Quarterly interest rate 7.8%/4=1.95%
Ответ:
x in (-oo:+oo)
x/(-4) = -10 // + 10
x/(-4)+10 = 0
10-1/4*x = 0 // - 10
-1/4*x = -10 // : -1/4
x = -10/(-1/4)
x = 40
x = 40
Hope this helps!