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Loyalty discount! If the total amount of your purchases from the seller more than:

$1 the discount is 1%
$5 the discount is 2%
$10 the discount is 3%
$20 the discount is 5%
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$0.58
6.1.6
Determine the coordinate xc of the center of gravity of the arc AB of a circle of radius r = 0.2 m, if the angle? = 30 °. (Answer 0.191)
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