3 years ago

The minute hand clock has a length of nine inches. How much area had the minute hand covered in thirty minutes?

1 answer:

6 0

About 127 inches. use the formula: r squared times 3.14 divided by 2. aka the formula to find area of a circle divided by two because it only covered 30 mins

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What is the LCD of the following rational expressions?

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<u>We know that (a + b)(a - b) = a² - b²:</u>

$\dfrac{x (x -1)}{x^2 - 1}} \ , \ \dfrac{7x(x+1)} {x^2 - 1}$

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3 years ago

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