Mathematics, 10.03.2021 16:10, ZaynabAta
Ivan made 6 indentical necklaces, each having beads and a pendant. The total cost of the beads and pendants for all 6 necklaces was 34.80 dollars. If the beads cost 2.60 dollars for each necklace, how much did each pendant cost?
Answers: 3
Mathematics, 21.06.2019 19:40, evarod
Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.
Answers: 3
Mathematics, 21.06.2019 20:30, ellie55991
Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )
Answers: 3
Mathematics, 22.06.2019 03:00, kparker7543
Edith is shopping for a new leather couch. jordan’s furniture has one that costs $3,000. however, this weekend she can get a 15% discount. how much money will edith save if she buys the couch this weekend? a $15b $2,550c $45,000d $450
Answers: 1
Ivan made 6 indentical necklaces, each having beads and a pendant. The total cost of the beads and p...
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