Explain how double angles compare to parent trigonometric equations
1 answer:
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The question is an illustration of proportion and exponents
The number of dvd is one crate is:
From the question, the given parameters are:
<em /><em> ---- 5 dvds in 1 package</em>
<em /><em> --- 5 packages in 1 box</em>
<em /><em> --- 5 boxes in 1 crate</em>
<em />
The number of dvds in 1 crate is calculated as follows:
Substitute 5 packages for 1 box in the above equation
Substitute 5 dvds for 1 package in the above equation
Apply law of indices
Express properly as:
Rewrite as:
Hence, the number of dvd is one crate is:
Read more about proportion and exponents
The segment marked 20 is the geometric mean of the two pieces into which it splits the hypotenuse. You get the proportion
Solving,
To find b, use the fact that b is the geometric mean of the whole hypotenuse, 21 + a, and the part that is attached to it, a.
A little arithmetic shows that
.
Solving,
To find b, use the fact that b is the geometric mean of the whole hypotenuse, 21 + a, and the part that is attached to it, a.
A little arithmetic shows that