Define a minor arc. How do you name a minor arc?
2 answers:
Answer:
If the arc length is less than 180 degrees, then it is called minor arc.
Minor arc length = m(AB), where "A" and "B" are the end points of the arc length.
Step-by-step explanation:
If you take two points on the circle and connect the points to the center of the the circle (radius). You will get the arc length subtend by the radi.
If the arc length is less than 180 degrees, then it is called minor arc.
If the arc length is greater than 180 degrees, then it is called major arc.
Minor arc is shortest arc length and major arc is the longest arc length.
The arc length marked with the endpoints of the arc length.
If you name the two points A and B of the minor arc.
The measure of the minor arc length represented by m(AB)
Herewith I have attached the figure.
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Answer:
It takes 75 years for the investment to quadruple in value
Step-by-step explanation:
Simple Interest
This is a simple interest problem.
The simple interest formula is given by:
In which E is the amount of interest earned, P is the principal(the initial amount of money), I is the interest rate(yearly, as a decimal) and t is the time.
After t years, the total amount of money is:
In this question:
4% simple interest per year, so I = 0.04.
Quadruple:
t when T = 4P.
The interest earned is:
Now we find the time.
It takes 75 years for the investment to quadruple in value