Answer:
22%
Step-by-step explanation:
The percentage of tax can be found by calculating the percent change.
new - old / old
6084 - 7800 / 7800
= -0.22 or -22%
This means the price decreased by 22%, meaning you paid 22% in taxes.
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Answer:
y= x squared.
Step-by-step explanation:
When graphed, the parabola only has an x-intercept at (0,0). Since a root is another word for an x-intercept, it only has one root.
I hope this helps, and I hope you have a good day.
P>-2 or p < 5 is your answer
The answer is: c you should know that it's easy
For this case we have an equation of the form:
y = A * (b) ^ t
Where,
A: initial amount
b: decrease factor
t: time
Substituting values:
y = 30 * (b) ^ t
To calculate t we use a point in the table.
We have:
(t, y) = (1, 28.5)
Substituting:
28.5 = 30 * (b) ^ 1
b = 28.5 / 30
b = 0.95
Answer:
a. Decay factor is 0.95
