Two shaded identical rectangular decorative tiles are first placed (one each) at the top and at the base of a door frame for a h
obbit's house, as shown in Figure 1. The distance from W to H is 45 inches. Then the same two tiles are rearranged at the top and at the base of the door frame, as shown in Figure 2. The distance from Y to Z is 37 inches. What is the height of the door frame, in inches?
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therefore, the sum of this infinite geometric series can be calculated using the formula
.
So,
If 2 is the sum of this infinite series, then you'll never reach it.
Solution: Mark's initial amount
Mark invest's his inheritance amount in savings account with an annual interest of 3.1%. Therefore, the Mark's interest amount after 1 year is:
Therefore, total amount Mark will have after 1 year =$30930
Now Charles also has $30000 from his inheritance.
Charles invests his inheritance in a CD paying 5.8% annual.
Therefore, interest amount for Charles after 1 year is:
Therefore, total amount Charles will have after 1 year =$31740
Therefore, Charles will have $31740 - $30930 = $810 more than Mark