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Mathematics, 21.06.2019 14:00
After applying the composition r0.90 ry to rs what are the coordinates of r' and s'? a.r'(β3, 1), s'(β3, 5)b.r'(β1, 3), s'(β5, 3)c.r'(1, 3), s'(5, 3)d.r'(5, 3), s'(1, 3)
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Mathematics, 21.06.2019 22:50
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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Mathematics, 22.06.2019 02:00
Whoever gets this right gets the ! the half life of a soul smelling substance is 4 years. if you have 8 oz of this strange substance, how much of it will you have after 20 years? show work.
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