Mathematics, 10.10.2021 14:00 mathishard353
Đối với người Việt Nam, lượng huyết sắc tố trung bình là 138,3g/l. Khám cho 80
công nhân ở nhà máy có tiếp xúc hóa chất thấy huyết sắc tố trung bình là 120g/l,
s = 15g/l. Từ kết quả trên có thể kết luận lượng huyết sắc tố trung bình của công
nhân nhà máy này thấp hơn mức chung hay không? (với mức ý nghĩa α = 0, 01)
Answers: 3
Mathematics, 21.06.2019 23:40
30 ! the graph shows the number of siblings different students have. select from the drop-down menus to correctly complete the statement.
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Mathematics, 22.06.2019 00:00
(50 ) mrs. julien’s and mrs. castillejo’s classes are selling cookie dough for a school fundraiser. customers can buy packages of macadamia nut chip cookie dough and packages of triple chocolate cookie dough. mrs. julien’s class sold 25 packages of macadamia nut chip cookie dough and 30 packages of triple chocolate cookie dough for a total of $221.25. mrs. castillejo’s class sold 5 packages of macadamia nut chip cookie dough and 45 packages of triple chocolate cookie dough for a total of $191.25. (a) write the system of equations that model the problem. be sure to explain which equation represents which situation. (b) find the cost of each type of cookie. show your work. (c) explain which method you used to solve the system and why you chose that method.
Answers: 1
Đối với người Việt Nam, lượng huyết sắc tố trung bình là 138,3g/l. Khám cho 80
công nhân ở nhà máy...
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