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vivian2020
20.05.2021 •
Mathematics
What is the solution to this equation?
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Ответ:
B. ½
Step-by-step explanation:
9^x -1 = 2
9^x = 2+1
9^x = 3
9^x = √9
9^x = 9^½
x=½
Ответ:
The crop yield increased by 9 pounds per acre from year 1 to year 10.
Step-by-step explanation:
To solve this we are using the average rate of change formula:
, where:
We know that the first point is 1 year and the second point is 10 years, so
and
. Replacing values:
Since
represents the number of pounds per acre and
the number of years, we can conclude that the crop yield increased by 9 pounds per acre from year 1 to year 10.