Find number abc
[3645] Find number abc - If 6a2b2 - 32c4a = 2826a find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 42 - The first user who solved this task is On On Lunarbasil
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Find number abc

If 6a2b2 - 32c4a = 2826a find number abc. Multiple solutions may exist.
Correct answers: 42
The first user who solved this task is On On Lunarbasil.
#brainteasers #math
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Diagnose this patient

The psychology instructor had just finished a lecture on mental health and was giving an oral test.

Speaking specifically about manic depression, she asked, "How would you diagnose a patient who walks back and forth screaming at the top of his lungs one minute, then sits in a chair weeping uncontrollably the next?"

A young man in the rear raised his hand and answered, "A basketball coach?"

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Tungsten filaments

In 1913, Dr William David Coolidge patented (U.S. No. 1,082,933) a method for making ductile tunsten for the purpose of making filaments for electric lamps. When Coolidge joined the General Electric Research Laboratory (1905), he was given the task of replacing the fragile carbon filaments in electric light bulbs with tungsten filaments, although tungsten was difficult to work. He developed a way to superheat the metal tunsten in order to draw it out into the fine threads used for lamp filaments. Coolidge then improved the X-ray tube by using a heated tungsten filament cathode in vacuum producing electrons, instead of residual gas molecules in the tube. This permitted higher operating voltages, higher energy X rays and the treatment of deeper-seated tumors.
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