hfff1236 hfff1236
  • 03-12-2018
  • Mathematics
contestada

The ladder must be placed 3 feet from a wall. The ladder is 12 feet long how far above the ground dose the ladder touch the wall

Respuesta :

alexisvalverde alexisvalverde
  • 03-12-2018

[tex] {a}^{2} + {3}^{2} = {12}^{2} \\ {a}^{2} + 9 = 144 \\ {a}^{2} = 144 - 9 \\ {a}^{2} =135 \\ \sqrt{ {a}^{2} } = \sqrt{135} \\ a = 11.619[/tex]
the top of ladder is approximately 11.6 ft. above the ground.
Answer Link

Otras preguntas

A container holds 16 quarts of juice. How much is this in gallons
subtract simplify, if possible 7 1/7-2 6/11
What are the odds of picking an "a" in the word alabama?
Haruka owns an umbrella factory. The revenue,R, she makes from selling n umbrellas is given by the function R(n)=18n, and the profit P, that she makes from sell
The length of days and nights at any location on Earth depends on the Earth's position with respect to the sun. Sydney is at latitude 34°00'S. Which of these st
Write a ponlynomial funstion in standard form with zeros at -2, 5 and 6
What is the first man made organic compound synthesized in laboratory?
If x = -3, what is the value of (1 - x)^3? Explain why
why was u.s president wilson unsuccessful in his attempt to get senate approval foe the treaty of versailles?
Is (0,0) a solution to this system?