Calculate compound interest and future value A savings account has $10000 at 4% interest paid semiannually for 2 yearsa. What is
the rate for each period?b. What is the total numbers of compound periods?c. What is the future value?d. What is the compound interest?
1 answer:
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Answer:
<em>x=-14</em>
Step-by-step explanation:
The x-intercept of a line is the value of x that makes y=0.
A line can be expressed in its slope-intercept form:
y=mx+b
Once determined the equation of the line, the x-intercept can be calculated by setting y=0 and solving for x.
Let's find the slope of the line.
Suppose we know the line passes through two points A(x1,y1) and B(x2,y2). The slope can be calculated with the equation:
Let's pick the first two points of the table (-94,24) (-74,18). The slope is:
The equation of the line is:
Now use one of the points to find b, for example (-94,24):
Operating:
Solving:
The complete equation of the line is:
To find the x-incercept, set y=0 and solve:
x=-14
Answer:
Step-by-step explanation:
The max height of an object can be calculated using one the basic projectile motion equations:
Where:
In this case, let's asumme g=9.8m/s^2, besides θ=90, because the water ballon was threw straight up, so: