Find number abc
[6134] Find number abc - If aab9a - 2b40c = 393cc find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 29 - The first user who solved this task is Nasrin 24 T
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Find number abc

If aab9a - 2b40c = 393cc find number abc. Multiple solutions may exist.
Correct answers: 29
The first user who solved this task is Nasrin 24 T.
#brainteasers #math
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Then and Now concerns for people of the baby boom generation

Then: Long hair.
Now: Longing for hair.

Then: Keg
Now: EKG.

Then: Acid rock
Now: Acid reflux.

Then: Moving to California because it's cool.
Now: Moving to California because it's hot.

Then: Watching John Glenn's historic flight with your parents.
Now: Watching John Glenn's historic flight with your kids.

Then: Trying to look like Marlon Brando or Elizabeth Taylor.
Now: Trying not to look like Marlon Brando or Elizabeth Taylor.

Then: Our president's struggle with Fidel.
Now: Our president's struggle with fidelity.

Then: The Grateful Dead.
Now: Dr. Kevorkian.

Then: Getting out to a new, hip joint.
Now: Getting a new hip joint.

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Fathometer

In 1928, the fathometer was patented by Herbert Grove Dorsey (No. 1,667,540). His invention was an electro-mechanical sounding instrument that measured underwater depths by using a series of electrical sounds signals and their echoes. He coined the name fathometer. The same instrument could measure both very shoal water and very deep water. His fathometers not only improved hydrographic surveying but also were valuable to the maritime shipping industry by saving time over line soundings. His instruments helped delineate much of the continental shelf and slope of the United States and its territories as well as much of the deep sea, in particular the northeast Pacific Ocean, the mid-Atlantic shelf and slope, and Gulf of Mexico.«[Image: Dorsey shown with a fathometer.]
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