3x^2 when x is 1/9
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What is the exact volume of the cylinder 1.5 m 2.5 m

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?