Find number abc
[7097] Find number abc - If 9b80a - 90ac7 = bbbb find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 9
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Find number abc

If 9b80a - 90ac7 = bbbb find number abc. Multiple solutions may exist.
Correct answers: 9
#brainteasers #math
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Mommy, my turtle is dead...

"Mommy, my turtle is dead," the little boy, Freddie, sorrowfully told his mother, holding the turtle out to her.
The mother kissed him on the head, then said, "That's all right. We'll wrap him in tissue paper, put him in a little box, then have a nice burial ceremony in the back yard. After that, we'll go out for an ice cream soda, and then get you a new pet. I don't want you...." Her voice trailed off as she noticed the turtle move.
"Freddie, your turtle is not dead after all."
"Oh," the disappointed boy said. "Can I kill it?"
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Vacuum tube

In 1906, Dr. Lee DeForest (26 Aug 1873 - 30 Jun 1961), one of the “fathers of radio,'' announced his three-element electrical vacuum tube (now known as a triode) to a meeting of the American Institute of Electrical Engineers He had discovered that when a mesh, or grid, of wire was placed between the filament and collector “plate” in a diode tube (first made by J. Ambrose Fleming, 1904), a large voltage-amplifying effect could be produced. DeForest patented this vacuum tube on 15 Jan 1907. The ability of this tube to amplifiy weak signals was an invention as great as radio itself, because it made long-distance communication possible.[Image: early DeForest Audion]
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