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A metal washer is made by cutting out a circle 13.2 mm in diameter from a larger circle. To the nearest tenth, what is the area of the washer?
answered Feb 24, 2018
5 votes
175k views
If you shout into the Grand Canyon,your voice travels at a speed of 340 m/s to the bottom of the canyon and back,and you hear an echo.How deep is the Grand Canyon at the spot where you hear an echo 5.2
answered Jan 15, 2018
6 votes
131k views
Explain how you would decide which unit is best for measuring your math book
answered Jan 25, 2017
3 votes
195k views
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