Area of rectangle with verticesB(-1,0),C(10,0)D(10,-9) and E(-1,-9)

The measure of angle 0 is 600 degrees

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Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.