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rosijanka [135]
3 years ago
11

Write an equation that models the sequence 400, 200, 100, 50, ...

Mathematics
2 answers:
Julli [10]3 years ago
3 0
You're starting at 400. Each time you're cutting in half. 

So the common ratio is 1/2 which means the equation is

\Large y = 400(1/2)^{x-1}

which is in the geometric sequence format. So the answer is choice D
Svetlanka [38]3 years ago
3 0

Answer:

he answer is D.)y = 400(1/2)X-1

Step-by-step explanation:


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