Answer:
all work is shown and pictured
Answer:
The initial population size is of 58.
The population size of the specie after t years is given by:
Step-by-step explanation:
Population size of the specie:
The population size of the specie after t years is given by:
Initial population size
This is P when 
, that is, 
. So
Rounding to the nearest number, 58
The initial population size is of 58.
Answer:
6 = n
Step-by-step explanation:
-3=n/2-6
Add 6 to each side
-3+6 = n/2 -6+6
3 = n/2
Multiply each side by 2
3*2 = n/2 *2
6 = n
Answer:
No, Mr. Hernandez’s sample is random, not biased, large enough compared to the population, but 28 is not 20% of 90.
Step-by-step explanation:
At Lawson Middle School, Mr. Hernandez asked 90 randomly selected students from each grade level for their favorite subject.
90 randomly selected students from each grade level for their favorite subject, and 28 chose social studies as their favorite.
so, the percent of students who love social studies is given by:
28/90 x 100=31.11%
He used this data to draw the inference that out of the 250 middle school students, about 20% prefer social studies.
No, Mr. Hernandez’s sample is random, not biased, large enough compared to the population, but 28 is not 20% of 90.
Answer:
4.5
Step-by-step explanation:
43-32+2-4= 9
9/2= 4.5
