Answer: 80, percentage increased by 75% (percent) of its value = 140
Step-by-step explanation:
Answer:
The principal must be = $8991.88
Step-by-step explanation:
Formula for compound interest is:
Where A is the amount after 't' years.
P is the principal amount
n is the number of times interest is compounded each year.
r is the rate of interest.
Here, we are given that:
Amount, A = $15000
Rate of interest = 13 % compounded quarterly i.e. 4 times every year
Number of times, interest is compounded each year, n = 4
Time, t = 4 years.
To find, Principal P = ?
Putting all the given values in the formula to find P.
So, <em>the principal must be = $8991.88</em>
Hello,
y=x²-12x+2=x²-2*6x+36-36+2=(x-6)²-34
Vertex is (6,-34)
8.56 inches yearly average