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QUESTION 11 Concrete contracts as it dries. If the volume of a cubical concrete block is 91 cm3 less and each edge is 1 cm less after drying. What was the original length of an edge of the block? O 6 cm O 7 cm 9 cm O 8 cm

QUESTION 11 Concrete contracts as it dries. If the volume of a cubical concrete block is 91 cm3 less and each edge is 1 cm less after drying. What was the original length of an edge of the block? O 6 cm O 7 cm 9 cm O 8 cm

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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QUESTION 11 Concrete contracts as it dries. If the volume of a cubical concrete block is 91 cm3 less and each edge is 1 cm less after drying. What was the original length of an edge of the block? 6 cm O 7 cm 9 cm O 8 cm
Transcribed Image Text:QUESTION 11 Concrete contracts as it dries. If the volume of a cubical concrete block is 91 cm3 less and each edge is 1 cm less after drying. What was the original length of an edge of the block? 6 cm O 7 cm 9 cm O 8 cm
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