The ages of the patients in a doctor's surgery are: 27, 13, 16, 20, 41 and 9. Find the mean of this set of data. Another patient
1 answer:
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The compound interest formula is :
where, A= Future value including the interest,
P= Principle amount, r= rate of interest in decimal form,
t= number of years and n= number of compounding in a year
Here, in this problem P= $ 51,123.21 , t= 20 years and 2 months
So, t= 20 + (2/12) years
t= 20 + 0.17 = 20.17 years
As the amount is compounded daily, so n= (12×30)= 360 [Using the traditional Banker’s rule of 30 days per month]
Thus,
When the interest rate is given, then we can use this equation for finding the future value.
ANSWER
EXPLANATION
The given parabola has equation:
This parabola opens in the direction of the positive x-axis.
This can be rewritten as:
The vertex is (-1,3)
The directrix of this parabola is