Mathematics, 09.03.2021 19:00 sabrinaaz
The students responsible for costumes knew they needed to make blouses, skirts and pants for the play. For the material, the costume makers needed twice as much material for each pair of pants as they needed for a blouse. For each skirt, they required units more than what was needed for a blouse. If the play required 8 blouses, represented by b, 2 pairs of pants and 3 skirts, how many units of material did the costume makers need? β
Answers: 2
Mathematics, 21.06.2019 23:30
Solve this 364x-64x=300x and 12(x2βxβ1)+13(x2βxβ1)=25(x2βxβ1)
Answers: 1
Mathematics, 22.06.2019 02:00
1. the manager of collins import autos believes the number of cars sold in a day (q) depends on two factors: (1) the number of hours the dealership is open (h) and (2) the number of salespersons working that day (s). after collecting data for two months (53 days), the manager estimates the following log-linear model: q 4 equation 1 a. explain, how to transform the log-linear model into linear form that can be estimated using multiple regression analysis. the computer output for the multiple regression analysis is shown below: q4 table b. how do you interpret coefficients b and c? if the dealership increases the number of salespersons by 20%, what will be the percentage increase in daily sales? c. test the overall model for statistical significance at the 5% significance level. d. what percent of the total variation in daily auto sales is explained by this equation? what could you suggest to increase this percentage? e. test the intercept for statistical significance at the 5% level of significance. if h and s both equal 0, are sales expected to be 0? explain why or why not? f. test the estimated coefficient b for statistical significance. if the dealership decreases its hours of operation by 10%, what is the expected impact on daily sales?
Answers: 2
Mathematics, 22.06.2019 03:30
How much money does ron have left each month after his fixed expenses? ron graduated from college five years ago. he recently bought a house, but shares it with a housemate who pays him $800 a month for rent and utilities. ron is putting a budget worksheet together so he will have a better idea of where his money is going and where he can save. enlarge
Answers: 3
The students responsible for costumes knew they needed to make blouses, skirts and pants for the pla...
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