algebra

posted by .

A board is leaning against a building so that the top of the board reaches a height of 18 feet. The bottom fo the board is on the groung 4 feet away from the wall. What is the slope of the board as a positive number?

  • algebra -

    m=rise/run
    =18/4
    =9/2

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. college physics

    A board of mass m and length L is leaning against a wall. The wall is frictionless, and the coefficient of static friction between the board and the floor is ยต. Find an expression for the minimum angle β at which the board can …
  2. help!!! physics

    you want to nail a 1.6 kg board onto the wall of a barn. to position the board before nailing, you push it against the wall with a horizontal force to keep it from sliding to the ground. (a) if the coefficient of static friction between …
  3. Calculus

    A 17 foot ladder is leaning against a wall. The bottom of the ladder is moving out away from the wall at 0.6 feet per second. The top of the ladder then begins sliding down the wall. How fast is the top of the ladder going when the …
  4. Phyics

    A uniform board is leaning against a smooth vertical wall. The board is at an angle above the horizontal ground. The coefficient of static friction between the ground and the lower end of the board is 0.710. Find the smallest value …
  5. algebra

    a ten foot board has been cut in to 2 pieces, one of the board is x feet long express the other board in terms of x
  6. Calculus

    a 12 foot ladder is leaning against a building. If the bottom of the ladder is sliding along the pavement directly away from the building at 1 feet/second, how fast is the top of the ladder moving down when the foor of the ladder is …
  7. Calculus

    a 14 foot ladder is leaning against a building. If the bottom of the ladder is sliding along the pavement directly away from the building at 3 feet/second, how fast is the top of the ladder moving down when the foor of the ladder is …
  8. PHYSICS

    A uniform board is leaning against a smooth vertical wall. The board is at an angle above the horizontal ground. The coefficient of static friction between the ground and the lower end of the board is 0.750. Find the smallest value …
  9. geometry

    12 foot board is leaning against a wall and makes a 77 degree angle with ground. How high does the board reach on the wall?
  10. algebra 1

    a board is leaning against a building so that the top of the board reaches a height of 16 feet. the bottom of the board is on the ground 6 feet away from the wall. what is the slope of the board as a positive number?

More Similar Questions