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20.02.2020 •
Mathematics
A road climbs at an 8° angle with the horizontal. What is the grade of the road?
(Hint: Grade is the slope of the road represented as a percent)
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Ответ:
14.05%.
Step-by-step explanation:
Please find the attachment.
We have been given that a road climbs at an 8° angle with the horizontal. What is the grade of the road?
We know that slope of a line is equal to rise over run.
We know that tangent relates opposite side of a right triangle with adjacent side. To solve our given problem, we will use tangent.
Now, we multiply 0.140540834702 by 100 to convert into percentage.
Therefore, the grade of the road would be 14.05%.
Ответ:
3x - 8 = -2
3x -8+8 = -2 +8
3x = 6
3x/3 = 6/3
x = 2
s
x - 6
( 2-6)
= -4
that is the value of x -6
= -4