Does the shape have rotational symmetry? If so, what is the angle of rotation, rounded to the nearest degree? A. no, 0° B. yes,
45° C. yes, 72° D. yes, 60°
2 answers:
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Remember that
The compound interest formula is equal to
where
A is the Final Investment Value
P is the Principal amount of money to be invested
r is the rate of interest in decimal
t is Number of Time Periods
n is the number of times interest is compounded per year
in this problem we have
P=$ 4,000
A=$7,148
r=9.4%=0.094
n=4
substitute the given values
apply log both sides