S has the coordinates (1,3) and is the midpoint of R and T where the coordinates of R are (4,-7) find the coordinates of T

Mathematics

1 answer:

Alexus [3.1K]3 years ago

6 0

Step-by-step explanation:

(1-4, 3-(-7))

=(-3,10)

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The angle of elevation from the top of a house to a jet flying 2 miles above the house is x radians. If d represents the horizon

alisha [4.7K]

Answer:

d = 2cot(x) or d = 2/tan(x)

Step-by-step explanation:

The vertical distance from the jet to the top of the house represents the opposite side to the 'x' angle, while the horizontal distance, d, represents the adjacent side. Since we do not know the hypotenuse, the tangent and cotangent functions are the preferable choices:

$tan (x) = \frac{2}{d}\\d = \frac{2}{tan (x) }\\cot (x) = \frac{d}{2} \\d= 2cot(x)$