Solve for a. 2 (20 – 4a) = 6 - a A: 0 B: -1 C: no solution D: all real numbers
1 answer:
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Answer:
Step-by-step explanation:
Draw a picture!
You get a right triangle with hypotenuse = 20 ft and horizontal leg = 12 ft
Use the Pythagorean Theorem to find the length of the vertical leg:
vertical leg = √(20²-12²) = √256 = 16 ft
