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konstantin123 [22]
3 years ago
15

4x+1+8-x+5x-2=23 linear equations

Mathematics
1 answer:
DanielleElmas [232]3 years ago
5 0

Step-by-step explanation:

= 4x-x+5x+1+8-2

=8x+7

proved##

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From a point A that is 8.20 m above level ground, the angle of elevation of the top of a building s 31 deg 20 min and the angle
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Answer:

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Let x be the distance of a point P ( lies on the building ) from the top of the building such that AP is perpendicular to the building and y be the distance of the building from point A, ( shown in the below diagram )

Given,

Point A is 8.20 m above level ground,

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Now, 1 degree = 60 minutes,

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50\text{ minutes }=\frac{50}{60}=\frac{5}{6}\text{ degree}

By the below diagram,

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Hence, the height of the building = x + 8.20 = 30.11 meters (approx)

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3 years ago
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Answer:

8.!..!.!?!.!..¿? your welcome;)

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2 years ago
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