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Radioisotopes are often used in diagnostic imaging for detecting disease. The isotope 131I (iodine-131), which has a half-life of 8.02 days, is used in nuclear medical imaging. What percentage of the original
answered
Mar 21, 2021
Chemistry
college
4
votes
26.7k
views
How would bimetallism benefit farmers? A. It would decrease tariffs. O B. It would increase the money supply. C. It would eliminate crop liens, D. It would increase prices for crops.
answered
Feb 9, 2021
History
high-school
1
vote
41.1k
views
PLEASE HELP QUICK ASAP The area of a square can be found using the equation A = s², where A is the area and s is the measure of one side of the square. Match the equation for how to solve for the side
answered
Feb 8, 2021
Mathematics
high-school
3
votes
145k
views
Find the distance between (20, -2) and (19, 5) any help would be appreciated thx! ❤❤❤
answered
Oct 28, 2020
Mathematics
middle-school
4
votes
67.4k
views
What is the answer to 10+y=25
answered
Aug 29, 2020
Mathematics
middle-school
5
votes
179k
views
Early black-and-white television sets used an electron beam to draw a picture on the screen. The electrons in the beam were accelerated by a voltage of 3.0 kV m kV; the beam was then steered to different
answered
Aug 7, 2020
Physics
high-school
0
votes
118k
views
During what month is there 24 hours of daylight below the antarctic circle
answered
Jun 28, 2020
Physics
high-school
2
votes
97.4k
views
Volcanic islands and island chains, like the Hawaiian Islands, were created by ___________ spots, which may or may not occur on a plate's boundary.
answered
May 6, 2020
Geography
middle-school
5
votes
151k
views
What is the result in kilojoules of 5.0x10 atoms emitting energy for 2.00 minutes if Plank's 1 x atom (Hint: same hint as #13) ball part 3x10" 18 constant is 6.626 X 10-14
answered
May 1, 2020
Chemistry
college
5
votes
67.7k
views
2. Simplify each expression. A.5+5 (24 +12)3
answered
Mar 16, 2020
Mathematics
middle-school
3
votes
70.4k
views
Which of the following is NOT true about the middle class during the Industrial Revolution?
answered
Nov 21, 2019
History
middle-school
1
vote
119k
views
What happens during one half-life of a radioactive isotope? A. Half of the sample undergoes radioactive decay. B. Half of the time has passed during which the sample will be radioactive. C. Half of the
answered
Jun 26, 2019
Physics
high-school
2
votes
7.9k
views
Macromolecules are formed by combining single units, called _________, together to form a chain, called ___________. Question 1 options: A). Monosaccharides; proteins B). Monomers; polymers C). Atoms;
answered
Jun 18, 2019
Biology
high-school
4
votes
146k
views
A mechanic is giving a presentation on how to rebuild a car engine. Which of the following presentation elements would be most helpful? A labeled diagram of a car engine A slideshow of photographs of cars
answered
Mar 23, 2019
English
middle-school
2
votes
149k
views
If P + 77 = 101, then P equals A. 178. B. 42. C. 22. D. 24.
answered
Feb 4, 2019
Mathematics
high-school
3
votes
3.2k
views
What is a subjective point of view? a.A point of view that is without bias b.A point of view that is based on feeling c.A point of view that is focused and direct d.A point of view that is changed over
answered
Dec 7, 2018
English
high-school
1
vote
33.0k
views
The cost c (in dollars) of renting a paddle board for (h) hours is given by c=25+7h. After how many hours is the cost $81?
answered
Sep 8, 2018
Mathematics
middle-school
4
votes
5.3k
views
15 points If you are able to correctly complete this!
answered
Aug 14, 2018
English
middle-school
5
votes
127k
views
Evaluate how technology impacts society in a positive and negative way at the same time.
answered
Jul 27, 2018
Social Studies
high-school
7
votes
95.8k
views
How did the troops react to the violence revolution of march 1917
answered
Jan 24, 2018
History
high-school
6
votes
5.8k
views
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