SOLUTION: 6) The test scores in Mrs. Kaste's Math B class are normally distrubuted with a mean of 85 and a standard deviation of 5. Between what two scroes would 95.4 percent of the scores f

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 Click here to see ALL problems on expressions Question 173035This question is from textbook Amsco's Preparing for the Regents Examination Mathematics B : 6) The test scores in Mrs. Kaste's Math B class are normally distrubuted with a mean of 85 and a standard deviation of 5. Between what two scroes would 95.4 percent of the scores fall? 1) 70-100 2) 75-95 3) 80-90 4) 85-90 7) The heights of the tides at jones beach, ny are a function of the time of day. The time from oine high tide to another is approximately 13 hours. Which of the following types of functions would best model this situation? *Explain why for the graph 1) exponential 2) linear 3) logarithmic 4) trignometric 8) Solve for x: (3 + 2i) + (4 + xi)= 7 - 5i 1) -7 2) -3 3) 3 4)7 Show work please, thanksThis question is from textbook Amsco's Preparing for the Regents Examination Mathematics B Answer by nycsub_teacher(90)   (Show Source): You can put this solution on YOUR website!8) Solve for x: (3 + 2i) + (4 + xi)= 7 - 5i First simplify (3 + 2i) + (4 + xi) = 7 + (2 + x)i Next, equate 7 + (2 + x)i to 7 - 5i 7 + (2 + x)i = 7 - 5i 7 + 2i + xi = 7 - 5i 2i + xi = -7 + 7 - 5i 2i + xi = -5i xi = -5i - 2i xi = -7i x = -7i/i x = -7 Understood?