The following table shows the number of medals won in the 2008 Olympics for swimming by the top five countries. Country Number of Medals USA 31 Australia 20 Great Britain 6 China 6 France 6 How many degrees will the USA section be in a circle graph? 31° 45° 162° 184°

Of the total 31 + 20 + 6 + 6 + 6 = 69 medals, the USA won 31 of them. 31/69 as a percentage is about 45%. Since there are 360° in a full circle, 45% of that is 0.45 * 360 = 162°.

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step-by-step explanation:

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solve systems of equations by graphing. a system of linear equations contains two or more equations e.g. y=0.5x+2 and y=x-2. the solution of such a system is the ordered pair that is a solution to both equations. to solve a system of linear equations graphically we graph both equations in the same coordinate system