In the expression 3xy+5y−xy+2x−7, what are the two variables?
1 answer:
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Answer:
C 7ft/yr
Step-by-step explanation:
The given points are not all on the same line, so the average will vary depending on the interval of interest.
Over the interval [1, 11] years, the average rate of change of height is ...
change in height / change in years = (80 -10)/(11 -1) = 70/10 = 7 . . . ft/yr
__
On the interval [11, 15] years, the average rate of change is ...
(105 -80)/(15 -11) = 25/4 = 6.25 . . . ft/yr
Even on this interval, the closest answer choice is C.
Answer:
$2253.98
Step-by-step explanation:
Jim received a $2000 loan from his bank. The loan accrues 3% interest every 3 months.
P=2000
r= 3%=0.03 and t= 4 years
interest every 3 months so n= 4