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Montano1993 [528]
3 years ago
11

If f(x)=-2x find x= -1 A.-3 B.-2 C.2 D.0

Mathematics
1 answer:
Natasha2012 [34]3 years ago
8 0
The answer to your question is C.2
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n airplane took off from an airport and traveled at a constant rate and angle of elevation. When the airplane reached an altitud
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The angle of the plane when it rose from the ground is 64.8 degrees

<h3>Application of trigonometry identity</h3>

Given the following parameters from the question

Altitude of the airplane H =  500m

Horizontal distance from airport "d"  = 235

Required

angle of elevation

According to the trigonometry identity

tan x = opposite/adjacent

tan x = H/d
tan x = 500/235

tan x = 2.1277

x = arctan(2.1277)

x = 64.8 degrees

The angle of the plane when it rose from the ground is 64.8 degrees

Learn more on angle of elevation here: brainly.com/question/88158

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2 years ago
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I hope this helped
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