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23. A positron and an electron can annihilate each other and form 3 gamma rays. Two gammas are detected. One has energy of 225 keV, the other has 357 keV. What is the energy of the 3rd gamma ray?
asked
Dec 4, 2024
Physics
high-school
1
answer
1
vote
7.4k
views
Select the correct answer from each drop-down menu. This equation shows the combustion of ethane: 2CH₂. + 70₂ - 4CO₂ + 6H₂O In the reactant side of the chemical equation, there are carbon atoms hydrogen
asked
Sep 18, 2024
Chemistry
high-school
1
answer
2
votes
183k
views
Do you think the FDA should not publish the list because the defect levels allowed do not pose a risk to human health and just make some of our favorite foods less appetizing (i.e., what you don't know
asked
Jun 2, 2024
Business
college
1
answer
1
vote
4.6k
views
When rolling two standard six-sided dice and adding the numbers, what is the probability of getting a 3? a. 1/36 b. 1/18 c. 1/12 d. 1/24
asked
May 23, 2024
Mathematics
high-school
1
answer
2
votes
16.4k
views
In the following situations, you may need more following distance to be safe: a. on slippery roads. Because you need more distance to stop your vehicle on slippery roads, you must leave more space in front
asked
May 11, 2024
Social Studies
high-school
1
answer
5
votes
234k
views
A coffee shop buys cups and mugs for resale from a supplier and is allowed 60 days in which to pay the invoice without penalty. This is an example of ____.
asked
Mar 10, 2024
Business
high-school
1
answer
1
vote
128k
views
Which statement about graphing rational numbers is true
asked
Mar 2, 2024
Mathematics
college
1
answer
1
vote
87.4k
views
A salesperson must be paid within ____ business days after the Broker is paid a) 7 b) 14 c) 21 d) 30
asked
Jan 6, 2024
Business
high-school
1
answer
4
votes
91.3k
views
I need help please!!
asked
Nov 13, 2023
English
college
1
answer
3
votes
195k
views
Dimensions of Wellness Keeping your air and water clean, your food safe, and the home/land around you enjoyable and safe.
asked
Jun 20, 2023
Health
high-school
1
answer
4
votes
114k
views
Help me please ill give you the crown
asked
Apr 15, 2023
Mathematics
middle-school
2
answers
0
votes
73.7k
views
During Black Friday, everything at Best Buy was marked down 15%. If a customer purchased electronics for a subtotal of $240, what is the final price they would pay for all of their electronics?
asked
Jan 10, 2023
Mathematics
high-school
1
answer
1
vote
179k
views
Determine which ratio forms a proportion with start fraction 14 over 35 end fraction by writing the ratio in simplest form. A. start fraction 2 over 7 end fraction B. four-fifths C. three-eighths D. two
asked
Dec 25, 2022
Mathematics
high-school
1
answer
2
votes
43.4k
views
What is the answer to this 3x-y=7 2x-2y=2
asked
Nov 2, 2022
Mathematics
high-school
2
answers
4
votes
171k
views
\sqrt{4 {}^(4) }
asked
Aug 11, 2022
Mathematics
high-school
1
answer
0
votes
81.5k
views
Plants produce more oxygen through photosynthesis during the day than they use for cellular respiration A. True B. False
asked
Jun 24, 2022
Biology
high-school
2
answers
5
votes
188k
views
What is the main difference between a certificate and a license? Licenses involve a final exam, but certificates do not. Certificates are for pharmacists, and licenses are for CPhTs. Certificates require
asked
May 7, 2022
Medicine
high-school
1
answer
1
vote
78.1k
views
The development of the global economy is often called a. globalization. b. international trade. c. multinational trade. d. world trade.
asked
Mar 13, 2022
Business
high-school
2
answers
16
votes
217k
views
Please can someone helpppp
asked
Feb 22, 2022
Mathematics
high-school
2
answers
20
votes
222k
views
Which of the following is the best synonym for "traces"? A. chains B. harness C. evidence D. tracks
asked
Dec 15, 2021
English
high-school
2
answers
5
votes
135k
views
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