A school of salmon was swimming in the river 5 feet below the surface. To escape a hungry bear, they went down another 3 feet. W
2 answers:
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Answer:
Substitute n =1, 2, 3, 4, 5 to get the first five terms.
Step-by-step explanation:
(4).
To find the first term, substitute n = 1.
Therefore, = 2
= 6
= 18
= 54
= 168
Therefore the first five terms of the sequence are: 2, 6, 18, 54, 168.
(5).
= 4
Therefore the first five terms in the sequence are: 6, 4, 8/3, 16/9, 32/27.
Answer: 68.1
Step-by-step explanation:
The area of a semi-circle is 1/2 the area of a full circle. The area of a full circle is pi*r^2. Therefore, the area of a semi-circle is:
The area of a rectangle is the length multiplied by the width:
The net area is the sum of the rectangle and the semi-circle: