Mathematics, 21.07.2019 20:40 kleathers97
Problem page rachel purchased a prepaid phone card for $15 . long distance calls cost 23 cents a minute using this card. rachel used her card only once to make a long distance call. if the remaining credit on her card is $11.78 , how many minutes did her call last?
Answers: 1
Mathematics, 21.06.2019 19:20
Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.
Answers: 3
Mathematics, 21.06.2019 19:30
The length of a shadow of the building is 36m. the length of the pole, which is perpendicular to the ground, is 1.9m. the length of the pole's shadow is 1.52m. what is the height of the building?
Answers: 1
Mathematics, 22.06.2019 04:00
Asugar cube is inch on each edge. how much volume does it occupy?
Answers: 1
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