subject
Mathematics, 01.02.2021 17:10 keagank

From 1999 to 2000, the number of days of unhealthy air quality in Charlotte, North Carolina, dropped from 5 to 2. Find the percent of decrease in the number of days of unhealthy air. A.
15%

B.
6%

C.
1.5%

D.
60%

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 17:00
The following graph shows the consumer price index (cpi) for a fictional country from 1970 to 1980? a.) 1976 - 1978b.) 1972 - 1974c.) 1974 - 1976d.) 1978 - 1980
Answers: 1
question
Mathematics, 21.06.2019 17:30
40 describe the outliers from the scatter plot.
Answers: 1
question
Mathematics, 21.06.2019 22:10
This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.
Answers: 2
question
Mathematics, 22.06.2019 00:50
There are 8 movies that you would like to see currently showing in theatres. in how many different ways can you choose a movie to see this saturday and one to see this sunday?
Answers: 1
You know the right answer?
From 1999 to 2000, the number of days of unhealthy air quality in Charlotte, North Carolina, dropped...
Questions
question
Engineering, 15.11.2021 01:20
question
Mathematics, 15.11.2021 01:20
question
Mathematics, 15.11.2021 01:20
Questions on the website: 13722362