Which two quantities? Please upload a picture or type so we can help you with the best of our abilities!
Answer:
Step-by-step explanation:
4/11
Answer:
The percentage of the students scored higher than 89% is 15.87%
Step-by-step explanation:
we are given
The average test scores for a particular test in algebra was 84
so, mean is 84

a standard deviation of 5
so,

we have
x=89
now, we can use z-score formula

now, we can plug values


now, we can use calculator
and we get

So,
The percentage of the students scored higher than 89% is 15.87%
Answer:
Water flows into a tank according to the rate
Water flows into a tank according to the rate F(t) = (6+t)/(1+t), and at the same time empties out at the rate E(t) = ln (t+2)/(t+1), with both F(t) and E(t) measured in gallons per minute.
Step-by-step explanation:
Answer:
Average rate of change = 0.29 million per year
Step-by-step explanation:
Average rate of change in the population from year 1970 to year 1900 is given by the formula,
Average rate of change = 
= 
= 
= 0.29 million per year
Therefore, average rate of change in the population from 1970 to 1990 will be 0.29 million per year.