Answer:
13 feet long
Step-by-step explanation:
This situation forms a right triangle, where the ladder is the hypotenuse, the distance away from the building is the short leg, and the height to the side of the building is the long leg.
Use the pythagorean theorem, and solve for c, the hypotenuse:
a² + b² = c²
5² + 12² = c²
25 + 144 = c²
169 = c²
13 = c
So, the ladder is 13 feet long
Answer:
A. 
B. The y intercept is 4.8
Step-by-step explanation:
Given

Solving (a): Write as a function.
To do this, we simply substitute f(n) for 
becomes

Open Bracket

Collect Like Terms


B. The y intercept.
To get the y intercept, we set n to 0
i.e



Hence, the y intercept is 4.8
Answer:
Sin = PQ / PR = OPPOSITE / HYPOTENUSE
Step-by-step explanation:
Please find the attached file for a clearer understanding.
SOHCAHTOA
Sin = opposite / Hypotenuse
Cos = Adjacent / Hypotenuse
Tan = opposite / Adjacent
Math is fun