Solve the following equations for x. Show your work:
1. 9x - 12 = 8x + 16
2. 36 - 18r = 4 (3...
Mathematics, 08.12.2020 23:50 meccadm
Solve the following equations for x. Show your work:
1. 9x - 12 = 8x + 16
2. 36 - 18r = 4 (3 + r)
3. 4 (4p +3) = 8p + 16
4. 15a + 60 = 12a -84
Answers: 2
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Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables
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