A box contains two defective Christmas tree lights that have been inadvertently mixed with eight nondefective lights. If the lig
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Answer: The value of x- 2y is a. .
Step-by-step explanation:
Given: x and y are two positive real numbers such that and
.
Consider
Put and
, we get
Taking square root on both sides , we get'
Hence, the value of x- 2y is a. .
<u>Given</u>:
It is given that KLM is a right triangle.
The measure of ∠M is 90°
The length of LK is 89, ML is 80 and KM is 39.
We need to determine the ratio that represents the tangent of ∠K.
<u>Measure of tan ∠K:</u>
The measure of tan ∠K can be determined using the trigonometric ratio.
Thus, we have;
From the figure attached below, the side opposite to ∠K is ML and the side adjacent to ∠K is KM
Hence, substituting the values, we get;
where ML = 80 and KM = 39.
Substituting, we get;
Thus, the ratio that represents the tangent of ∠K is
