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Anastasy [175]
3 years ago
15

An arithmetic sequence is defined by the recursive formula t1 = 9, tn = tn - 1 - 4, where n ∈N and n > 1. The sequence is

Mathematics
1 answer:
VikaD [51]3 years ago
4 0
T2 = t1 - 4 = 9 - 4 = 5
t3 = 5 - 4 = 1
The common difference  = -4 so:-

The sequence is  9, 5, 1, -3, -7 ....
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2 years ago
One number is 2 more than another. The difference between their squares is 20. What are the numbers?
ss7ja [257]

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let x=one number =

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4 0
3 years ago
Abe and Ben each have a certain number of dollars. If Abe gives Ben $5 then Abe and Ben will have the same number of dollars. If
11111nata11111 [884]
A = 5 + B
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