The answer is 2/5 because 100/20 is five and if you add another twenty, you get forty, so it is 2/5.
Answer:
The water level will change at a rate of - 2 7/18 inches per year
Step-by-step explanation:
From the question, we have a change of -7 1/6 inch every 3 years
We now want to calculate the value of the change every year
Mathematically, that will be;
- 7 1/6 divided by 3
= -43/6 divided by 3
= -43/18 = - 2 7/18 inch per year
Answer:

Step-by-step explanation:
Let
x ---> the number of years
y ---> the amount in the account balance
Plan A
we have a linear equation of the form

where
The slope is equal to

The y-intercept or initial value is

substitute

For x=10 years
substitute

Plan B
we have a exponential growth function of the form

where

substitute


For x=10 years
substitute

Find the difference of the two account balances after 10 years

Answer:$15.40
Step-by-step explanation:
Answer:
rain (hydrosphere) falls from clouds in the atmosphere to the lithosphere and forms streams and rivers that provide drinking water for wildlife and humans as well as water for plant growth (biosphere)
Step-by-step explanation: