A driveway that is 25 m long is built on an incline. It has risen a distance of 4 m by the time it reaches from one end to the other. What is the angle of elevation of the driveway?

  9.1°

Step-by-step explanation:

The tangent of the angle is the ratio of rise to run, so the angle is ...

  angle = arctan(rise/run) = arctan(4/25)

  angle ≈ 9.1°

Comment on the angle

Except in certain mountainous regions, the maximum grade of an interstate highway is limited to 6% (3.4°). The grade of this driveway is 16%, which would be considered very steep.

it is a. 4.2 because 7.6-3.4 gets the remaining length of 4.2. i might be wrong but i am pretty sure this is the answer.

42%

step-by-step explanation:

we know,

total people = 60

total males = 25

percentage of males

= 25/60 × 100

= 25/6 × 10

= 25/3 × 5

= 125 / 3

= 41.

rounding of = 42%

happy to

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