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granniejo
15.01.2020 •
Mathematics
Determining exponential growth and decay in exercise, use the given information to write an exponential equation for y. does the function represent exponential growth or exponential decay?
dy/dt = 5.2y, y = 18 when t = 0
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Ответ:
Exponential growth
Step-by-step explanation:
We can solve this differential equation by the separation of variables method.
We have that:
So
Integrating both sides
In which K is the value of y when t = 0.
We apply the exponential to both sides, so:
This is our exponential equation. Since the power of e is a positive value, the function represents exponential growth.
Ответ:
3.4 yards cubed, after rounding.
Step-by-step explanation:
To find the volume of a rectangular prism, use the following formula:
Substitute the values given to you into the formula:
Simplify the mixed number by multiplying both the numerator and denominator of 2/1 by 5 to get 10/5 and add it to the fraction to get 14/5.
Now, multiply the numerators and denominators of the fractions and simplify:
The volume is 3.36 yards cubed. Round to the nearest tenth to get 3.4 yards cubed.