Mathematics, 20.01.2021 22:30 HtetPaing9358
Jennifer answered 70% of the questions on her test correctly. If she answered 60 questions correctly, how many questions were on the test?
Answers: 3
Mathematics, 21.06.2019 21:30
Aladder that is 20ft long is leaning against the side of a building. if the angle formed between the ladder and the ground is 75 degrees how far is the bottom of the from the base of the building?
Answers: 1
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
Answers: 3
Mathematics, 22.06.2019 01:00
£100.80 divided by 14 equals 7.2 how would we put this as money
Answers: 1
Jennifer answered 70% of the questions on her test correctly. If she answered 60 questions correctly...
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