I'm just checking my work
2 answers:
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The interest rate is 6.992%, if a bank advertises that it compounds money quarterly and that it will take Double your money in 10 years.
Step-by-step explanation:
The given is,
Compounds money quarterly
Double your money in 10 years
Step:1
Formula to calculate future investment with compounded quarterly,
...............................(1)
Where, A - Future amount
P - Initial investment\
r - Rate of interest
n - No. of compounding in a year
t - No. of years
Step:2
Let, P = X
A = 2X ( Double your money )
From given, n - 4 ( for compounding quarterly )
t - 10 years
From equation (1)
Take root root on both side,
r = 6.992 %
Result:
The interest rate is 6.992%, if a bank advertises that it compounds money quarterly and that it will take Double your money in 10 years.
Usando las relaciones entre velocidad, distancia y tiempo, se encuentra que ella condujo a una velocidad media de 90,5 km/h.
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La <u>velocidad </u><u>es la distancia dividida por el tiempo</u>, por lo que:
- Total de 135,75 km, o sea,
- Llego en 1,5 horas, o sea,
La velocidad es:
División de decimales, o sea, seguimos multiplicando los números por 10 hasta que ninguno sea decimal:
Ella condujo a una velocidad media de 90,5 km/h.
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