![subject](/tpl/images/cats/mat.png)
Mathematics, 30.11.2019 23:31 Izzyfizzy
The air quality index, or aqi, measures how polluted the air is in your city and assigns a number based on the quality of the air. over 100 is unhealthy. . given the following quadratic regression equation, estimate the number of days the aqi exceeded 100 in the year 1988. . n = 1.76t^2 - 13.32t + 41.00. (let t represent the number of years since 1990. therefore, t = 0 corresponds the year 1990. round to the nearest whole . a. 60 days. b. 75 days. c. 61 days. d. 21 days
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:00
The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?
Answers: 1
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 02:00
Quadrilateral abcd is a parallelogram with diagonals that intersect at point e. which of the following statements is true?
Answers: 1
You know the right answer?
The air quality index, or aqi, measures how polluted the air is in your city and assigns a number ba...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 24.04.2021 01:40
![question](/tpl/images/cats/mat.png)
Mathematics, 24.04.2021 01:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
Physics, 24.04.2021 01:40
![question](/tpl/images/cats/fizika.png)
Physics, 24.04.2021 01:40
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 24.04.2021 01:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/User.png)
Engineering, 24.04.2021 01:40
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 24.04.2021 01:40
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 24.04.2021 01:40
![question](/tpl/images/cats/fizika.png)
Physics, 24.04.2021 01:40
![question](/tpl/images/cats/istoriya.png)
History, 24.04.2021 01:40