Mathematics: Mark got 54 out of 66 correct in his test. what fraction of the marks did he get correct? give your answer in its simplest form

Mark got 54 out of 66 correct in his test. what fraction

Ответ:

gigi813

16.01.2022

Mathematics

$\texttt{Fraction of the marks did he get correct}=\frac{9}{11}$

Step-by-step explanation:

Mark got 54 out of 66 correct in his test.

We need to find what fraction of the marks did he get correct,

Total number of questions = 66

Total number of correct answers = 54

$\texttt{Fraction of the marks did he get correct}=\frac{\texttt{Total number of correct answers}}{\texttt{Total number of questions}}\\\\\texttt{Fraction of the marks did he get correct}=\frac{54}{66}\\\\\texttt{Fraction of the marks did he get correct}=\frac{9}{11}$

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Ответ:

emmaschloegl21x

08.10.2020

Mathematics

x ≈ 24.1

Step-by-step explanation:

This is a right triangle. So we use trigonometric functions.

tan Θ = opposite / adjoint

tan 15 = x / 90

90 tan 15 = x

x = 24.11542

We round it to the nearest tenth.

x ≈ 24.1

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Mark got 54 out of 66 correct in his test. what fraction of the marks did he get correct? give your answer in its simplest form

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