Mathematics, 13.05.2021 08:10 losstdr3ams
A store that buys and sells used video games buys a game at a cost of β$9 and sells it at a selling price of β$13. Find the markup. Then find the percent markup.
Answers: 3
Mathematics, 21.06.2019 12:30
Option 1: $30 an hour plus a nonrefundable deposit of $50 option 2: $20 an hour plus a nonrefundable deposit of $75 kyle is renting a jetski for the day. if he can rent the jetski in one hour increments, what is the minimum number of hours must he rent the jetski for option 2 to be a better deal then option 1?
Answers: 1
Mathematics, 21.06.2019 14:50
Do 12/14 and 8/10 have the same value? explain your answer.
Answers: 1
Mathematics, 21.06.2019 19:00
Human body temperatures have a mean of 98.20Β° f and a standard deviation of 0.62Β°. sally's temperature can be described by z = 1.4. what is her temperature? round your answer to the nearest hundredth. 99.07Β°f 97.33Β°f 99.60Β°f 100.45Β°f
Answers: 1
Mathematics, 21.06.2019 23:30
Aprisoner is trapped in a cell containing three doors. the first door leads to a tunnel that returns him to his cell after two days of travel. the second leads to a tunnel that returns him to his cell after three days of travel. the third door leads immediately to freedom. (a) assuming that the prisoner will always select doors 1, 2 and 3 with probabili- ties 0.5,0.3,0.2 (respectively), what is the expected number of days until he reaches freedom? (b) assuming that the prisoner is always equally likely to choose among those doors that he has not used, what is the expected number of days until he reaches freedom? (in this version, if the prisoner initially tries door 1, for example, then when he returns to the cell, he will now select only from doors 2 and 3.) (c) for parts (a) and (b), find the variance of the number of days until the prisoner reaches freedom. hint for part (b): define ni to be the number of additional days the prisoner spends after initially choosing door i and returning to his cell.
Answers: 1
A store that buys and sells used video games buys a game at a cost of β$9 and sells it at a selling...
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