7. A lot consists of eight good articles with four minor defects, and two major defects. One article is chosen at random, find the probability that
It has no defects
(ii)
It has no major defects
(iii)
It is either good or has major defects.

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step-by-step explanation:

the x's and the y's both go up the same amount each time, therefore it will be a linear function because it will go in a straight line when drawn on a graph.

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c. (3,2,6) is the answer.

12cm

the answer is d

u = -(6/7)w

step-by-step explanation:

place all values with 'u' on one side of the equation.

4u + 8w = - 3u + 2w

4u + 3u = 2w - 8w

further simplify the equation by solving the addition and subtraction.

7u = - 6w

make 'u' the independent variable by placing its co-efficient on the right-hand side.

u = - (6/7)w