Answer: 
<u>Step-by-step explanation:</u>
Pythagorean Theorem is: a² + b² = c² , <em>where "c" is the hypotenuse</em>
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Note: 4² + (8√2)² = hypotenuse² → hypotenuse = 12

Note: 12² + opposite² = 20² → opposite = 16

Note: adjacent² + 5² = 6² → adjacent = √11

Note: adjacent² + 7² = (13√2)² → adjacent = 17
Answer:
Step-by-step explanation:
I dont quite understand the problem but this is one way to solve it using completing the square:-
2x^2 + 8x - 12 = 0
2(x^2 + 4x) - 12 = 0
2((x + 2)^2 - 4) = 12
2(x + 2)^2 - 8 + 8 = 12 + 8
2(x + 2)^2 = 20
16,896 feet is the distance
Answer: 15 and one-half
Step-by-step explanation:
14/2 + 3(4) - (6.5 - 3)
Use PEMDAS
14/2 + 3(4) - 3.5
Use PEMDAS
7 + 12 - 3.5
Use PEMDAS
15.5
Answer:
28.8
Step-by-step explanation:
A squared plus b squared equals c squared.