Given: cosa= -1, sin x = - 12, A is in the third quadrant, and x is in the fourth quadrant; evaluate cos x. 13/5 5/12 5/13

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A: The sum of the series is given below

Q: 14.5 please!

A: Solution: Let X be the concentration. The given data for X is 0.8403, 0.8363 and 0.8447.

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A: 95% confidence interval for population mean  is (99.8, 102)

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A: on doing diffrentiation we will get

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A: In rolling of two dies the all possible outcomes are:   (1,1)  (1,2)  (1,3)  (1,4)  (1,5)  (1,6)…

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A: Given f(x)=5x-1 and g(x)=5x2-1fog(x)=In place of x of f(x) substitute g(x)fog(x)=f(g(x))=5(5x2-1)-1…

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A: Use pythogorous theorem

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A: As per our guidelines we are supposed to answer only one question. kindly repost other question as…

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A: Put the value which is given in the  given expression .

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A: Given infinite geometric series is 16+40+100+250+....