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chris018107
12.03.2021 •
Mathematics
Conan installs windows for a living and has propped his ladder against a customer's
house.
a. Initially, the bottom of his ladder is 8 feet from the base of the house and reaches 15
feet up the wall of the house. How long is the ladder?
Solved
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Ответ:
Step-by-step explanation:
By the Pythagorean Theorem
h^2=x^2+y^2
Which means that the hypotenuse (longest side of a right triangle) squared is equal to the sum of its squared sides. In this case we are given the side lengths of 8 and 15 feet.
h^2=8^2+15^2
h^2=64+225
h^2=289
h=17 ft
The ladder is 17 feet long.
Ответ:
Y-3 = 2(x+1)
open the brackets
Y-3 = 2x+2
Y = 2x+5..... this is the answer when solving for Y
if were solving for x:
Y-3 = 2x+5
Y-8 = 2x