Answer:
It takes 10 years approximately for the population to reach 22,500
Step-by-step explanation:
Given:
Initial population = 8000
Population growth rate 4.5 %
Future population = 22500
To Find:
Time taken to reach a population of 22500
Solution:
The population growth can be identified by using

where
N is future popluation
is the initial population
t is the time taken
r is the rate of the growth
Here we have to find the time t, rephrasing the formula


Substituting the values we get,



t = 9.97
t=10(approx)
The monthly rate is $45 for this cellphone plan.
Step-by-step explanation:
Given,
Amount charged for cell phone = $60
Amount paid by Regina for 24 month plan = $1140
Number of months = 24
Let,
m be the monthly rate for cellphone plan
Number of months * Monthly rate + cellphone charges = Amount paid

Dividing both sides by 24

The monthly rate is $45 for this cellphone plan.
Keywords: subtraction, division
Learn more about subtraction at:
#LearnwithBrainly
Answer:
A.) -5
Step-by-step explanation:
-3×-5 = 15 (two negatives equal a positive)
15-4 = 11 which is greater than 7
feel free to mark brainliest if this helped you :)
Answer:
i think its 0.9994225
Step-by-step explanation:
just subtract the 8.75136.24 bye 7.75193. and there you go.
This would be +2 so I believe it would be B.