sobitkhadka59 sobitkhadka59
  • 01-09-2021
  • Computers and Technology
contestada

a. The first mechanical calculating device invented by the Chinese 3000 years ago.​

Respuesta :

heeheh29 heeheh29
  • 01-09-2021
The abacus, your welcome mah dude
Answer Link

Otras preguntas

$400 earning 8% interest will be worth - in 25 years.
Compare the two samples
Is 3Fe + 4H20 → Fe3O4 + 4H2 a balanced chemical reaction?
-4 - [5 - (-5)] ÷ |6 - 8| + 4​
Find the equation of the line with slope m= -2 that contains the point (-8,18)
Feedback such as good/bad; helpful/useless; important/unimportant; etc. are examples of:
Greatest common factor of 21,28
PLEASE HELP ASAP!!! I NEED CORRECT ANSWERS ONLY PLEASE!!! Find the cosine of ∠V. Write your answer as an integer or as a decimal rounded to the nearest hundredt
1. The “Opportunity” rover that just landed on Mars transmitted music back to Earth. If the distance to Earth at the time was 9x107 km and radio waves (a kind o
Hank is throwing a surprise party. The party costs $20 per person. Create a table of values and choose the graph that represent the relationship between the cos