A. How much must be placed each month into a retirement account earning 15% compounded monthly if the value of the account is to
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Answer:
Step-by-step explanation:
The figure shows a right triangle.
To calculate the measure of the angle A, you can use the inverse trigonometric function arctangent:
Identify the angle , the opposite side and the adjacent side:
Substitute into .
The measure of the angle A is:
Rounded to the nerarest hundreth:
From the given volume, we know that the ratio is:
From the given area, we know that the ratio is:
Equate the two ratio and solve for x:
Cube both sides:
Square both sides:
Simplify each term:
Cross multiply:
Divide both sides by 256:
Cube root both sides: