Find number abc
[6148] Find number abc - If 80c92 - aa21b = 2a479 find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 26 - The first user who solved this task is Nasrin 24 T
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Find number abc

If 80c92 - aa21b = 2a479 find number abc. Multiple solutions may exist.
Correct answers: 26
The first user who solved this task is Nasrin 24 T.
#brainteasers #math
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What day is it?

Over breakfast one morning, a woman said to her husband, "I bet you don't know what day this is."

"Of course I do," he indignantly answered, getting up from the table and going out the door to the office.

At 10am, the doorbell rang. When the woman opened the door, she was handed a box containing a dozen long-stemmed red roses. At 1pm, a foil-wrapped, two-pound box of her favorite chocolates arrived. Later, a boutique delivered a designer dress.

The woman couldn't wait for her husband to come home. When he did, she exclaimed, "First the flowers, then the chocolates and then the dress! I've never had a more wonderful Groundhog Day in my life!"

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Joseph Black

Died 6 Dec 1799 at age 71 (born 16 Apr 1728). Scottish chemist and physicist who experimented with "fixed air" (carbon dioxide), discovered bicarbonates and identified latent heat. He lectured in chemistry, anatomy at the University of Glasgow, while also a physician. From heated magnesia alba (magnesium carbonate), Black collected a gas, carbon dioxide, different from common air. He published Experiments Upon Magnesia Alba, Quicklime, and Some Other Alcaline Substances (1756). Carbon dioxide was also released by fermentation, respiration, and burning charcoal so he assumed it was in the atmosphere. He also observed that ice melts without change of temperature, due to heat that becomes "hidden" - latent heat - and determined "specific heat" for heated of materials.[DSB gives date of death 6 Dec 1799. EB gives 10 Nov 1799.]
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