The cycle time for trucks hauling concrete to a highway construction site is uniformly distributed over the interval 45 to 90 minutes. What is the probability that the cycle time exceeds 80 minutes if it is known that the cycle time exceeds 50 minutes? (Round your answer to four decimal places.)

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Step-by-step explanation:

last option

step-by-step explanation:

given that δdef is right and isoceles,

assuming that side df is the hypotenuse means that de an ef are the other 2 sides that intersect at 90° and are of equal length.

because they are of equal length, we can say that they are congruent

because they intersect at 90°, their slopes must be opposite reciprocals.

only the last option satisfies these conditions.

44

step-by-step explanation: