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Find the area of the shaded ...

Find the area of the shaded region accurate up to 3 decimal places. (a=10, b=8, c=6)

Correct answers: 122

The first user who solved this task is Roxana zavari.

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Why was Blackbeard upset?

Why was Blackbeard upset when he misplaced his jars of urine?
Because a pirate without p is irate.

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Centennial of Chemistry

In 1874, the Centennial of Chemistry in the U.S. was celebrated by chemists meeting at Northumberland, Pa. where Joseph Priestley was buried after spending the last years of his life in America. The chemists commemorated the 100th anniversary of Priestley's discovery of the element oxygen on 1 Aug 1774, regarded as the most important link in the chain of events which eventually led to the overthrow of the phlogistic hypothesis. The memorial exercises were planned to include an address by Professor Joseph Henry, an Essay on American Contributions to Chemistry by Benjamin Silliman, Jr., and a loan exhibition of Priestley's apparatus, books and manuscripts. The event was initiated by Henry Bolton.«

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