Answer:
The correct choice is D.
Detailed explanation
Principal = $9250
interest rate = 7% or 0.07
duration = 5 years or 260 weeks
[ As there are 52 weeks in a year, for 5 years it calculates to 5x52=260 weeks]
Utilizing the formula
Total amount after t years =
where P = principal
r = decimal form of the rate %
n= frequency per year
t = duration (in years)
substituting the values into the formula
Total amount =
=
=
= 9250(1.418733588)
=$13123.29
Answer:
Davide is 10 years old.
L'età di Davide è 10.
Step-by-step explanation:
The average ages of Aldo, Bruno, Carlo, and Davide amount to 16 years.
Let’s denote:
x for Aldo's age.
y for Bruno's age.
z for Carlo's age.
w for Davide's age.
The average for all four is 16 years.
This gives us:
Excluding Davide, the average age of the other three is 18. Therefore:
Substituting into the original equation:
Hence, Davide’s age is indeed 10.
L'età di Davide è 10.
Answer:
a. 0
b. Yes
c. The claim made by the manufacturers is not credible
d. 0.3446
e. A mean lifetime of 39.8 hours is not considered unusually short.
f. The manufacturers claim is credible
Step-by-step explanation:
Please see attachment
