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4 November, 12:35

Find the cost of fertilizing a playing field at $0.40 per square yard when the rectangular partof the field is 160 yd long and the diameter of each semicircle is 50 yd. Use pi=3.14

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  1. 4 November, 14:55
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    So I assume you mean a rectangular field with two semicircular ends ...

    c=.4 (160*50+π25^2)

    c=.4 (8000+625π)

    c=320+250π

    c≈$1105.40 to nearest cent
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