Answer:
wouldnt it be -4 -4??since it going from 4 to 4 maybe
The answer is x = -2. The steps are in the image below.
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Answer:
The “E” indicates an arc welding electrode. The first two digits of a 4-digit number and the first three digits of a 5-digit number stand for tensile strength. So, “1” stands for an all position electrode, “2” for a flat and horizontal electrode, and “4” for a flat, horizontal, vertical down and overhead electrode
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