Mathematics, 24.06.2019 02:30 goeringwilliam6974
Ametal worker has a metal alloy that is 20% copper, and another metal alloy that is 60% copper. how many kilograms (kg) of each allow should the metal worker combine to create 80kg of aa 52% copper alloy?
Answers: 1
Mathematics, 21.06.2019 15:00
The head librarian at the library of congress has asked her assistant for an interval estimate of the mean number of books checked out each day. the assistant provides the following interval estimate: from 740 to 920 books per day. what is an efficient, unbiased point estimate of the number of books checked out each day at the library of congress?
Answers: 3
Mathematics, 21.06.2019 17:30
Assume that 1400 births are randomly selected and 1378 of the births are girls. use subjective judgment to describe the number of girls as significantly high, significantly low, or neither significantly low nor significantly high. choose the correct answer below. a. the number of girls is neither significantly low nor significantly high. b. the number of girls is significantly high. c. the number of girls is significantly low. d. it is impossible to make a judgment with the given information.
Answers: 1
Mathematics, 21.06.2019 18:10
What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23
Answers: 1
Mathematics, 21.06.2019 19:00
Write the pair of fractions as a pair of fractions with a common denominator
Answers: 3
Ametal worker has a metal alloy that is 20% copper, and another metal alloy that is 60% copper. how...
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