A length of rope is stretched between the top edge of a building and a stake in the ground. The head of the stake is at ground l
evel. The rope also touches a tree that is growing halfway between the stake and the building. If the the building is 36 feet tall, how tall is the tree?
2 answers:
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Answer: The fourth term is -102
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Explanation:
The term after the nth term is generated by this rule
which means that we first
Step 1) multiply the nth term (
) by -4
Step 2) Add the result of step 1 to the value 2 to get the next term in the sequence
Let's follow those steps above to generate the first four terms
The first term is
. In short, the first term is 2
The second term is...
So the second term is -6
The third term is...
The third term is 26
Finally, the fourth term is...
The fourth term is -102.
----------------------------------------------
Explanation:
The term after the nth term is generated by this rule
Step 1) multiply the nth term (
Step 2) Add the result of step 1 to the value 2 to get the next term in the sequence
Let's follow those steps above to generate the first four terms
The first term is
The second term is...
So the second term is -6
The third term is...
The third term is 26
Finally, the fourth term is...
The fourth term is -102.