A manufacturer produces two models of bicycles. The times (in hours) required for assembling, painting and packaging each model are shown in the table. The total times available for assembling and painting are 1600 hours and 1200 hours, respectively. The profits per unit are $50 for model A and $48 for model B. How many of each type should be produced to maximize profit? What is the maximum profit? [hours required for model A] [hours for model B]
assembling - 4 assembling - 2
painting - 2 painting - 3

Pokój na planie w skali 1: 100 jest prostokątem i ma wymiary 5,2cmx4,4cm. jaką powierzchnię w m2 ma pokój? ile m bieżących wykładziny dywanowej o szerokości 5m trzeba kupić by wyłożyć cały pokój jednym kawałkiem przy minimalnych stratach ? ile zapłacimy za wykładzinę jeśli 1m2 kosztuje 30 zł ?

Find the quotient. 50a2 – 98b2 -5a +7b

Do social recommendations increase ad effectiveness? a study of online video viewers compared viewers who arrived at an advertising video for a particular brand by following a social media recommendation link to viewers who arrived at the same video by web browsing. data were collected on whether the viewer could correctly recall the brand being advertised after seeing the video. the results are given below.correctly recalled the brandarrival 409153browsing20484b. conduct the hypothesis test, using the 0.025 level of significance.what is the value of the test statistic? χ2stat=what is the p-value? p-value=is this value significant atα=0.025?