Answer:
2,391 paid altogether. The interest Rate was another 391 dollars.
Step-by-step explanation:
Answer:
Step-by-step explanation:
we know 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
substitute in the formula above
Apply log both sides
As the focus is at (0,5) it will be symmetrical about the y axis and will open upwards
General formula is x^2 = 4ay where a is the y coordinate of the focus
So its y = x^2/5*4
y = 1/20 x^2
Answer:
-32 and -33
Step-by-step explanation:
x + (x + 1) = -65
2x +1 = -65
2x = -66
x = -33. So (x + 1) = -33 + 1 = -32
-33 + -32 = -65
A because it isn't a whole number or integer or irrational