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mars1129 [50]
3 years ago
8

a map that created using a scale of 1 inch equals 3 miles shows a lake with an area of 18 square inches was a actual area of the

lake​
Mathematics
1 answer:
frosja888 [35]3 years ago
8 0

Answer:

Step-by-step explanation:

18in^2(3mi/in)^2

18in^2(9mi^2/in^2)

162 mi^2

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Answer with explanation:

Presume that, initial water level to be, 0 mm, at a time t=0.

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→Averge, that is increase in water level after 6.2 years is given by

                     =\frac{W_{2}-W_{1}}{t_{2}-t_{1}}\\\\=\frac{11.16-0}{6.2-0}\\\\=\frac{11.16}{6.2}\\\\=1.8 \frac{\text{mm}}{\text{year}}

→→Rate of Depreciating of water level is given by = Negative of Increase of water level=-1.8 \frac{\text{mm}}{\text{year}}

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