d 1. sinx dx = - cos x + C because (- cos x+C) = _ dx

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A: "Since you have asked multiple question , we will solve first question for you. If you want any…

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A: Modulus of any number is always positive. i. e., |-a| = a     where, a = all real numbers.

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A: r(120°, O) means rotation of 120° about O. If we rotate O, 120° about O then it will be O again.

Q: Independent random samples were selected from two quantitative populations, with sample sizes,…

A: Givenn1=n2=70x1=123.8          x2=123.8s1=5.9               s2=6.1confidence level=95%

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A: The correct answer is 26.2 (approx.)...see the attachment below for the detailed explanation

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A: NOTE: Refresh your page if you can't see any equations. . choose any two points from the given graph

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A: Given

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Q: options

A: Please refer to the image below

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A: