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crimeas [40]
4 years ago
10

Perfective maintenance usually is cost effective ____ the system

Computers and Technology
2 answers:
Svetlanka [38]4 years ago
6 0

Answer:

During the middle of

Explanation:

Perfective maintenance usually is cost effective during the middle of the system.

Anni [7]4 years ago
5 0

Perfective maintenance usually is cost effective during the middle of the system.

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grigory [225]

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ASK

Explanation:

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8 0
4 years ago
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tigry1 [53]

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<em>brainliest</em><em>? </em><em>plz! </em>

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