The Rule of 72 is a shortcut method to find the number of years to double your investment. This is only an estimation. This can be done by dividing 72 by the annual interest rate.
However, you are given a nominal rate since it is compounded annually. Let's convert this by this equation:
annual rate = (1+i/m)^m - 1, where m is the number of periods in a year. Thus, m=2
annual rate = (1 + 0.065/2)^2 -1 = 6.61%
Applying Rule of 72,
72 ÷ 6.61% = 10.89
This is where I found a problem. The answer here just directly divided 72 by 6.5% which will equal to 11.1 years. This is not accurate, since the given interest is compounded semi-annually. That is not an annual interest rate.
Nevertheless, the answer is still close to letter A.) 11.1 years.
B ) a red six , given that it’s not a black card
Answer: The sum of two Irrational numbers will be irrational
Step-by-step explanation: Because they are irrational so its result will also be irrational
Answer:
(B)Place compass at point A, and open compass to greater than P.
Step-by-step explanation:
The following steps will be followed in the construction of a Square inscribed in a circle.
- Draw a circle and label the center P.
- Draw the diameter of the circle, labeling the endpoints A and B.
- Construct the perpendicular bisector of the diameter, AB.
- Label the points where the bisector intersects the circle as C and D.
- Connect points A to B to C to D to form the square.
Now to construct a perpendicular bisector of AB, the next step is to place the compass at A and open the compass to greater than the center P of the circle. We do the same at point B.
The correct option is B.
Answer:
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Step-by-step explanation:
