The river will not reach a level of 7 ft. after 5 hours.
A linear equation is in the form:
y = mx + b
where y, x are variables, m is the rate of change and b is the initial value of y.
Let y represent the height of the water level after x hours.
Since the river is 1 ft below its average water level and begins to rise by a constant rate of 1.5 ft per hour. Hence:
b = -1, m = 1.5. The equation becomes:
y = 1.5x - 1
To reach a level of 7 ft. That is y = 7:
7 = 1.5x - 1
1.5x = 8
x = 5.3 hours
The river will not reach a level of 7 ft. after 5 hours.
Find out more at: brainly.com/question/13911928
Answer:
its n II m
Step-by-step explanation:
Its one of the things I remember from geometry XD
Draw number line from -5 to 10. .number that line.
Then show a point in 9 and -4
I hope that's what you mean from question
Answer:
6 years
Step-by-step explanation:
we know that
The equation of a exponential growth is equal to
where
y ----> is the population
x ---> is the number of years since now
a ---> is the initial value or y-intercept
r ---> is the rate of change
we have
substitute
For y=19,600
substitute in the exponential equation and solve for x
apply log booth sides
