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Answer: 8 feet, D
Step-by-step explanation:
To solve this, use the Pythagorean Theorem. It states:
where A and B are the sides of a triangle and C is the triangle's hypotenuse.
The 17 foot ladder in this situation is your hypotenuse, and you have one side of the triangle: 15.
15 squared = 225
17 squared = 289
solving for b squared, we get
taking the square root of 64, you get 8 feet, the distance between the house and the base of the ladder.
[ Answer ]
[ Explanation ]
- Simplify / Solve: (5 ÷ 5) ÷ 5 · (
- 5)
--------------------------------
- Rewrite
(
- 5)
- Apply Rule (
= 1):
= 1
(
- 5)
- Multiply Fractions
- Simplify
1 · ( - 5) = 20
- Simplify
=
- Divide
20 ÷ 5
- Answer
= 4