Elisha Gray was an electrical engineer. He is known for his telephone prototype and music synthesizer. Gray got over 70 patents for his inventions.
He was born on August 2nd, 1835 in Barnesville, Ohio. He died on January 21st, 1901 in Newtonville, Massechusetts.
Gray also invented the telautograph, this was a device that could transmit handwriting through the telegraph systems!
Answer: D hope this helps :)
Explanation:
Answer:
"Independent Variable: Use of calculators
Dependent Variable: How fast student worked math problem
Control: Group not using calculators
Constant: Same math problem"
Explanation:
Independent variable: In research, the term "independent variable" is described as a variable that is being changed by a researcher to see its effects on the dependent variable. Independent variable isn't changed by any variable a researcher is trying to evaluate or measure.
Dependent variable: It is being tested by the researcher, and tends to represent a specific quantity whose value is dependent on some manipulations i.e., any changes being made onto the independent variable will hamper the dependent variable directly.
Control group: It is composed of specific participants that don't receive the "experimental treatment". When a researcher is administering an experiment, these participants are being randomly assigned to the given group.
Answer:the United States of America or and north American country.
Explanation:
<span>The Analects, or Lunyu, also known as the Analects of Confucius, is the collection of sayings and ideas attributed to the Chinese philosopher Confucius and his contemporaries, traditionally believed to have been written by Confucius' followers.
This mite help
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