Mathematics, 27.09.2019 05:50 bxbykyah
Harvey collects rare marbles. he has 112 marbles. each tray holds an equal number. if he uses 7 trays, how many marbles will he display on 3 trays?
Answers: 2
Mathematics, 21.06.2019 15:30
Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?
Answers: 1
Mathematics, 22.06.2019 02:30
The john nash mall used 17,4000 kilowatt hours in may, with a peak load of 92 kilowatts. the demand charge is $5.95 per kilowatt, and the energy charge is $0.08 per kilowatt hour. the fuel adjustment charge is $0.017 per kilowatt hour. what is the total electricity cost for may?
Answers: 2
Mathematics, 22.06.2019 03:20
Aconcession manager at yankee stadium wants to know how temperature affects beer sales. she took a sample of 10 games and recorded the number of beers sold and the temperature in the middle of the game. temperature 80 68 78 79 87 74 86 92 77 84 number of beers 20533 1439 13829 21286 30985 17187 30240 87596 9610 28742 a. draw a scatter plot of the data. b. the manager estimates the regression equation to be: numberofbeers = โ100, 678 + 1, 513 โ temperature draw this on your scatter plot. c. for one of the estimated points, indicate the residual with ei . d. for that same point, indicate what part of the variation is explained by the model with หyi โ yยฏ.
Answers: 2
Harvey collects rare marbles. he has 112 marbles. each tray holds an equal number. if he uses 7 tray...
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