x = 0.2666666\ldots 10x = 2.666666\ldots 10x - x = 2.666666\ldots - 0.2666666\ldots 9x = 2.4 x = \frac{2.4}{9} x = \frac{\frac{24}{10}}{9} = \frac{24}{90} x = \frac{24 \div 6}{90 \div 6} = \frac{4}{15} \frac{4}{15}
Frequently asked questions (FAQs)
Mean is calculated by adding up all the values in a sample, then dividing by the total number of values. Calculate the mean of the sample: 10, 20, 30, 40, and 50.
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What is the sine value of an angle in the unit circle if the angle measures 60 degrees?
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What is the square root of 7654321 divided by 12345?