Mathematics, 04.01.2020 12:31 jdkrisdaimcc11
31. in a mathematics competition, there are 10 questions of equal marks. you get 10 marks for a correct
answer, lose 8 marks for a wrong answer, or no mark for each blank answer. if jimmy answered 3
questions correctly, 6 questions wrongly, and left 1 question unanswered, how many marks could he
get?
Answers: 3
Mathematics, 21.06.2019 13:30
The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.
Answers: 3
Mathematics, 21.06.2019 16:00
Write two subtraction equations that are equivalent to 5 + 12 = 17.
Answers: 2
31. in a mathematics competition, there are 10 questions of equal marks. you get 10 marks for a corr...
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