Mathematics, 24.04.2021 14:00 Itselliekojo2218
A contractor employs 40 men to do a piece of work in 60 days. Each man working 9 hours per day. He then requested to do the job in 48 days. How many more men working 10 hours a day does he need to employ?​
Answers: 2
Mathematics, 21.06.2019 16:30
Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7
Answers: 2
Mathematics, 21.06.2019 21:30
Find the domain and range of the following function f(x) = 51x - 21+ 4
Answers: 2
Mathematics, 21.06.2019 23:00
Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?
Answers: 1
Mathematics, 22.06.2019 02:30
Researchers are conducting experiments to determine the role of alcohol in the development of depression. after the study is complete, they determine that the relative risk of developing depression is 1.55 with a 95 % ci of 1.2 -1.9. each group is then divided into nonsmokers and smokers. the relative risk for the nonsmokers is 1.12 with a 95% ci of 0.87-1.37. the relative risk for the smokers is 1.7 with a 95 % cl of 1.5-1.9. what type of bias may affect this study? a. procedure bias b. recall bias c. selection bias d. confounding e. lead-time bias
Answers: 2
A contractor employs 40 men to do a piece of work in 60 days. Each man working 9 hours per day. He t...
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