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10-10-2022
Mathematics

Answered

The formula C=3.14d can be used to approximate the circumference of a circle given its diameter. Company A manufactures and sells a certain washer with an outside circumference of 9 centimeters. The company has decided that a washer whose actual circumference is in the interval 8.9≤C≤9.2 centimeters is acceptable. Use a compound inequality and find the corresponding interval for diameters of these washers.

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