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OleMash [197]
2 years ago
9

باستعمال log4 2=0.5 فإن قيمة log4 32 هي

Mathematics
1 answer:
11Alexandr11 [23.1K]2 years ago
7 0

Answer:

\mathbf{\log_432}=2.5

Step-by-step explanation:

\log_42=0.5

حن بحاجة إلى إيجاد\log_432

دع\log_432=x

\log_42\times 2\times 2\times 2\times 2=x

\Rightarrow x=\log_42^5

\Rightarrow x=5\log_42   [\because \log_ab^x=x\log_ab]

\Rightarrow x=5\times0.5

\Rightarrow x=2.5

\mathbf{\therefore\log_432=2.5}

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2 years ago
The means and mean absolute deviations of Sidney’s and Phil’s grades are shown in the table below which expression represents th
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<h3>How to find the Mean Absolute Deviation?</h3>

From the given table, we see that;

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Mean absolute deviation of Phil = 3.96.

The difference between the two means of Sidney and Phil = 82 - 78 = 4.

Thus, the ratio of the difference of the two means to Sidney’s mean absolute deviation is; 4/3.28

Complete Question is;

The means and mean absolute deviations of Sidney’s and Phil’s grades are shown in the table below. Means and Mean Absolute Deviations of Sidney’s and Phil’s Grades Sidney Phil Mean 82 78 Mean Absolute Deviation 3.28 3.96 Which expression represents the ratio of the difference of the two means to Sidney’s mean absolute deviation?

Read more about Mean Absolute Deviation at; brainly.com/question/447169

#SPJ1

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Reason: you divide 60=2x which makes x=30
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