Mathematics, 30.09.2019 08:30 robbiegfarmer
In a competitive examination, one mark is awarded for each correct answer, while ½ mark is deducted for each wrong answer. jayanti answered 120 questions and got 90 marks. how many questions did she answer correctly?
Answers: 2
Mathematics, 21.06.2019 16:30
Which ordered pair (c,d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15
Answers: 3
Mathematics, 21.06.2019 22:30
If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b
Answers: 1
In a competitive examination, one mark is awarded for each correct answer, while ½ mark is deducted...
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