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Phantasy [73]
3 years ago
6

A water canal has a rectangular cross section 3 meters wide and 2 meters deep. How much water is contained in a 30-meter length

of the canal? How much water does it hold after 60% of the water has evaporated
Mathematics
1 answer:
Alex3 years ago
5 0
Basically you are finding the volume of a rectangular prism of 3 by 2 meters cross section and 30 meters length.  Volume = (3 m)(2 m)(30 m) = 180 cubic meters.

If 60% of the water has evaporated, 40% is left.  Find 40% of 180 cubic meters to answer the 2nd part of this question.
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Apparently, the calculator at the link in your lesson is fully capable of giving you the necessary numbers. My own TI-84 work-alike gives me the account balances, but the rest of the numbers need to be figured.

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Answer:

Step-by-step explanation:

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9). ∠XCY ≅ ∠XBY                             9). CPCTC  

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