Mathematics, 30.07.2019 00:30 madmar
Jenny used her credit card to buy a refrigerator with a base cost of $824. the refrigerator consumed an average of $0.09 in electricity every day. jenny made regular monthly payments for three and a half years, at which point the refrigerator was paid off. over the eight years that jenny had the refrigerator, it needed repairs three times, costing $68.75 each time. if jenny’s credit card has an apr of 10.54%, compounded monthly, and sales tax in jenny’s area is 7.13%, what was the lifetime cost of jenny’s refrigerator? assume that jenny made no other purchases with her credit card, and round all dollar values to the nearest cent. (remember that leap year occurs every four years.) a. $1,528.47 b. $1,622.46 c. $1,779.63 d. $1,457.91
Answers: 2
Mathematics, 21.06.2019 20:30
3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.
Answers: 1
Mathematics, 21.06.2019 23:00
The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)
Answers: 1
Mathematics, 21.06.2019 23:40
Typically a point in a three dimensional cartesian coordinate system is represented by which of the following answers in the picture !
Answers: 1
Jenny used her credit card to buy a refrigerator with a base cost of $824. the refrigerator consumed...
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