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Question 3
Chris het 'n bonsai (miniatuurboompie) by 'n kwekery gekoop. Toe hy die boompie gekoop het, was sy hoogte 130 mm. Die hoogte van die boompie het daarna toegeneem, so... show full transcript
Step 1
Answer
To determine the increase in height for the seventh year, we first identify the common ratio from the given sequence 100, 70, 49:
Next, we can use the formula for the term of a geometric sequence:
Here, , and we set:
Solving for , we first simplify:
Taking the logarithm of both sides:
Solving for yields:
Thus, during the 7th year, the increase is approximately 11.76 mm.
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