In a random sample of 750 bowling balls at a manufacturing plant, four were found to have manufacturing defects or imperfections. If there are 4,125 bowling balls being produced in the current run, how many of them could be expected to have defects or imperfections?

$6.42

step-by-step explanation:

80° is the measure of gh

step-by-step explanation:

circle f is congruent to circle j

we have two circle with center f and j.

both circles are congruent. the radius of the circle would be equal.

see the attachment for the circle.

we are given ∠efd ≅ ∠gjh

therefore, arc (ed) = arc (gh)     (∴ circle f is congruent to circle j)

but ∠dfe=80°=arc (ed)

therefore, arc (gh) = 80°

thus, 80° is the measure of gh

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step-by-step explanation: