brentking2001
25.07.2019 •
Mathematics
Correct answer will get brainliest! how many gallons of a 21% acid solution and a 28% acid solution need to be mixed to make 7 gallons of a 25% acid
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Ответ:
(a) 5894 thousand
(b) 6204 thousand
Step-by-step explanation:
Given:
The expression for population growth of the residents of Wisconsin is given as:
For the year 2000, the time is,
(a) Population in 2016.
Difference in years from 2000 to 2016 = 2016 - 2000 = 16 years.
Therefore, the time 't' for 2016 is equal to 16 years.
Now, plug in 16 for 't' in the above expression and solve for population 'P'. This gives,
Therefore, the estimated population of the residents in 2016 is 5894 thousand.
(b) Population in 2025.
Difference in years from 2000 to 2025 = 2025 - 2000 = 25 years.
Therefore, the time 't' for 2025 is equal to 25 years.
Now, plug in 25 for 't' in the above expression and solve for population 'P'. This gives,
Therefore, the estimated population of the residents in 2016 is 6204 thousand.