X= 30
I don’t know if this is correct or not
Answer:
1545.62
Step-by-step explanation:
The calculation of compound interests uses this formula:
<h2>

</h2>
Where A = total amount, P = principal or amount of money deposited, r = annual interest rate, n = number of times compounded per year and t = time in years.
So, if we plug-in the numbers of the problem we have:
<h2>

</h2>
Which gives us:

For a grand total of 1,545.62 including capital and interests.
Answer:

Step-by-step explanation:

The graph of a quadratic function does not cross the x-axis if the discriminant has negative value.
Answers:
C ) -25
D ) -7