The following table describes the average fuel consumption per year per passenger car in gallons of gasoline.
[tex]
\begin{tabular}{|l|l|l|l|l|l|l|l|l|}
\hline Year, t & 1960 & 1970 & 1980 & 1990 & 1995 & 1997 & 1998 & 1999 \\ \hline \begin{tabular}{l}
Gallons Consumed Per
Passenger Car
\end{tabular} & 668 & 760 & 576 & 520 & 530 & 538 & 544 & 552 \\ \hline
\end{tabular}
[/tex]
Determine the average rate of change, in gallons of gas per year, from 1960 and 1999 and then determine what the result means in this situation.
A. -0.33 gal/year; the average fuel consumption per year of a passenger car in the U.S. decreased by a third of a gallon per year.
B. 0.33 gal/year; the average fuel consumption per year of a passenger car in the U.S. increased by a third of a gallon per year.
C. 2.97 gal/year; the average fuel consumption per year of a passenger car in the U.S. increased by nearly 3 gal/year.
D. -2.97 gal/year; the average fuel consumption per year of a passenger car in the U.S. decreased by nearly 3 gal/year.
Answer (3)
The correct answer is:
6 ways.
Explanation :
She wants a total of 10 journal entries .
She can write each entry on a separate page , for 10 pages used. She can write 8 entries on separate pages and 2 entries on 1 page , for 9 pages used. She can write 6 entries on separate pages and 2 entries each on 2 separate pages , for 8 pages used. She can write 4 entries on separate pages and 2 entries each on 3 separate pages , for 7 pages used. She can write 2 entries on separate pages and 2 entries each on 4 separate pages , for 6 pages used. She can write 2 entries each on 5 separate pages , for 5 pages used.
Answer: 6 ways
;
Bella can write her 10 journal entries in 89 different arrangements, depending on how many entries are placed on each page. This includes combinations of pages with one or two entries. The calculations include various scenarios ranging from all entries on separate pages to all on fewer pages.
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