willoughbysierra
25.04.2020 •
Mathematics
√QUESTIONS PLS ASK ME
Which expression is equivalent to the length of LN?
A a√3
B a√5
C 3√a
D 5√a
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Ответ:
Ananya's total score was 50 marks.
Step-by-step explanation:
Given that in an examination a candidate scored 5 marks for a correct answer, -2 for an incorrect answer and 0 marks for a question that has not been attempted, and the examination comprises 20 questions, and Ananya has answered 12 correct answer and 5 incorrect answers, to find her total score the following calculation must be performed:
(12 x 5) + ((20 -12 - 5) x 0) + (5 x -2) = X
60 + (3 x 0) + (-10) = X
60 + 0 - 10 = X
50 = X
Therefore, Ananya's total score was 50 marks.