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Anna007 [38]
3 years ago
11

-x + 23 < 2 - 2(x – 8)​

Mathematics
1 answer:
mihalych1998 [28]3 years ago
6 0

Answer:

x<-5

Step-by-step explanation:

that's the answer

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In what situation might you have to calculate the surface area of volume of a solid?
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8 0
3 years ago
Andrew wants to measure the height of a traffic light. He walks exactly 20 feet from the base of the traffic light and looks up.
slava [35]

<u>Answer-</u>

<em>The height of the traffic light is 21.8 feet.</em>

<u>Solution-</u>

As shown in figure, we can see the right triangle formed from the situation,

From the question,

BC = the distance walked by Andrew from the traffic light = 20 feet

Height of Andrew's eye = 5 feet

Height of the traffic light = AB + Height of Andrew's eye

From the properties of triangle,

\Rightarrow \tan \theta =\frac{Height}{Base}

\Rightarrow \tan C =\frac{AB}{BC}

\Rightarrow AB=\tan C\times BC

\Rightarrow AB=\tan 40\times 20

\Rightarrow AB=16.8

Therefore, height of the traffic light = AB + Height of Andrew's eye = 16.8+5 = 21.8 feet


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3 years ago
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