Answers by Roman Romanenko
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Answers by Roman Romanenko

Answers by Roman Romanenko
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When a radioactive atom emits an alpha particle, the mass number of the radioactive atom A. Increases because the alpha particle contains 2 electrons B. Decreases because the alpha particle contains 2
answered Dec 14, 2021
1 vote
97.8k views
​Write 83,120 in expanded form using powers of 10.
answered Nov 29, 2021
5 votes
120k views
The economies, power, and survival of ancient Mesopotamia, Egypt, and the Kingdom of Kush depended on what? A. The trade of iron and gold established in each empire. B. The trade of wheat, Barley, lentils,
answered Oct 28, 2021
1 vote
155k views
Fill in the blank 1. Crime Scene Sketches •Are created to document a permanent record of a crime scene –allows investigators who did not see the crime scene to _______________ it –usually admissible in
answered Oct 15, 2021
4 votes
233k views
J'aime parler avec amie. (MY)
answered Oct 1, 2021
3 votes
126k views
Is the following graph a function true/false
answered Jun 14, 2021
1 vote
213k views
Jen traded in her old car for her heart's desire, a new Lexus sedan. The Lexus is considered a specialty product. True or false?
answered May 30, 2021
2 votes
40.3k views
Find the value of the trigonometric ratio, sin L.
answered May 20, 2021
5 votes
109k views
Jazz was born in Louisiana. Could it be that a population of teenagers, almost all of them male, were inspired to develop their own music as a way to speak, to compete, to announce who they were to the
answered Mar 29, 2021
2 votes
176k views
1.Given the IPv4 address, 200.245.10.150/28, how many subnets are possible and how many hosts can be supported by each subnet
answered Jan 7, 2021
3 votes
113k views
-1/2-(-1)-(1/4) help needed plz
answered Jan 28, 2020
3 votes
153k views
Why is it sometimes hard to remember things we read? A.because the ideas are too hard B.because we are trying to put too many things into our short-term memory
answered Jul 26, 2019
4 votes
72.9k views
Determine the meaning of the underlined word in the passage above aerodynamics a. Study of wind tunnels c. Study of movement of air b. Study of bridge motion d. Study of cable suspension
answered Apr 18, 2019
1 vote
205k views
which rivers and mountain ranges did settlers have to cross when following the santa fe trail and the old spanish trail to California?
answered Mar 25, 2019
5 votes
61.5k views
What is the Respiratory system
answered Jan 26, 2019
4 votes
209k views
A sample of 80 high school seniors, 45% of which are female, were surveyed as to whether or not they are employed outside of school. 25% of the boys surveyed said they are not employed. How many boys are
answered Jan 18, 2019
4 votes
57.1k views
What is the product? (a-3)/(15a)* (5)/(a-3) A. 1/3 B. 1/3a C. 3a D. 3
answered Dec 28, 2018
2 votes
154k views
What was true of missionaries who did work in africa like that done by the african methodist episcopal zion church?
answered Jul 16, 2018
2 votes
46.9k views
Name the nutrient that is related to osteoporosis
answered Jun 19, 2018
2 votes
166k views
Explain the effects of a marine parasite that kills all phytoplankton
answered Apr 14, 2018
3 votes
69.5k views
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