Arith. prog. has terms 2900, 3400, ...; what is 1st term >= 75000? what is sum?

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sarahlee

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Section 12 Sequences and Series

12) An Arithmetic Progression has the following terms: 2900, 3400, ... . Which term in this sequence would first exceed or equal 75,000? What is the sum from the 1st term to this term?
Answer: It would exceed or equal at the
th term.
(Correct to 3 decial places) The sum from the 1st term to this term = .
 
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Okay, do you know what an "Arithmetic Progression" is? Are we to assume that 2900 and 3400 are the first and second terms in the sequence?
 
Hmmm...this person joined today and already
started 17 threads...:confused:
 
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