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valentinak56 [21]
3 years ago
9

Hence, or otherwise, simplify fully (x² + 4) - (x - 2)2

Mathematics
1 answer:
raketka [301]3 years ago
6 0

Answer:

fully simplified answer: x^2-2x+8

Step-by-step explanation:

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The chairlift at a ski resort rises a total of 2600 feet from where it starts. The angle of elevation is about 22.3 degrees. How
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Answer:

6852 feet .

Step-by-step explanation:

Refer the attached figure

The chairlift at a ski resort rises a total of 2600 feet from where it starts. i.e.AB = 2600 feet

The angle of elevation is about 22.3 degrees.i.e.∠ACB= 22.3°

We are supposed to find  How far do riders travel on the lift i.e.AC

In ΔABC

We will use trigonometric ratio

Sin\theta =\frac{Perpendicular}{Hypotenuse}

Sin22.3^{\circ} =\frac{AB}{AC}

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