Mathematics, 11.01.2021 22:20 angie07253
The average time before breakdown of a machine is normally distributed and has a mean of 18 weeks and a standard deviation of three weeks. If breakdown cost averages $2,000 and preventive maintenance costs $1,400, what is the optimal preventive maintenance interval
Answers: 2
Mathematics, 21.06.2019 15:00
Flashback to semester a. are triangles pqr and stu congruent? what is the congruency that proves they are congruent? what is the perimeter of triangle pqr? show your work.
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Mathematics, 21.06.2019 17:00
Bugs bunny was 33 meters below ground, digging his way toward pismo beach, when he realized he wanted to be above ground. he turned and dug through the dirt diagonally for 80 meters until he was above ground
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Mathematics, 21.06.2019 17:00
Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.
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What is the number 321,000,000 in scientific notation? also what is the number? ?
Answers: 2
The average time before breakdown of a machine is normally distributed and has a mean of 18 weeks an...
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