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Researchers are monitoring two different radioactive substances. They have 300 grams of substance A which decays at a rate of 0.15%. They have 500 grams of substance B which decays at a rate of 0.37%.
answered
Sep 29, 2019
Mathematics
college
1
vote
168k
views
What is the MAIN purpose of the sign's graphic style and colors? A) to warn B) to inform C) to advise D) to direct
answered
Sep 25, 2019
History
high-school
7
votes
36.1k
views
When to do lists are arranged in priority order they are ranked in order of A. Difficulty B. Convenience C. Importance D. Cost
answered
Sep 23, 2019
Business
middle-school
6
votes
197k
views
Is how tall is this door to this classroom a statistical question?
answered
Aug 16, 2019
Mathematics
middle-school
3
votes
175k
views
Write the volume of a cube 25 cm on a side using an exponent. Then, find the volume.
answered
Feb 28, 2019
Mathematics
middle-school
2
votes
190k
views
What is 8 divided by 385
answered
Feb 22, 2019
Mathematics
middle-school
5
votes
70.5k
views
The histories of Kush and Egypt are intertwined with each other because they were reliant on each other how did their independence work, and why did each take control of their own in turn
answered
Feb 2, 2019
Social Studies
middle-school
2
votes
53.4k
views
Which of the following would be the best name for MgCl2?
answered
Sep 13, 2018
Chemistry
high-school
5
votes
72.0k
views
Jacki evaluated the expression below. mc021-1.jpg What was Jacki’s error? Jacki should have simplified the exponent first. Jacki should have multiplied 4 and 8 first. Jacki did not subtract 12 from 8 correctly.
answered
Aug 5, 2018
Mathematics
college
4
votes
14.9k
views
What do career clusters do for you?
answered
Jun 8, 2018
Business
high-school
4
votes
24.1k
views
One television show had 22,471,000 viewers last week. The show that followed it had 36,730,000 viewers. Round each number to the nearest ten million. What is the combined number of viewers of the two television
answered
Jun 3, 2018
Mathematics
middle-school
4
votes
279
views
What strategy does the author of the essay reading Shakespeare suggest that will help you understand difficult lines in Shakespeare’s plays
answered
Feb 8, 2018
English
high-school
3
votes
155k
views
How many U.S. states begin with the letter "I"?
answered
Sep 16, 2017
Geography
high-school
6
votes
11.7k
views
Stan, a local delivery driver, is paid $3.50 per mile driven plus a daily amount of $75. On Monday, he is assigned a route that is 30 miles long. How much is he being paid for that day
answered
Jul 12, 2017
Mathematics
middle-school
4
votes
106k
views
The type of radiation that will penetrate farthest into a material is a. a beta ray. b. a gamma ray. c. an X-ray. d. an alpha ray. E. They all penetrate material the same distance.
answered
Jun 6, 2017
Physics
high-school
6
votes
110k
views
All agricultural and herding societies eventually become civilizations. a. True b. False
answered
Aug 22, 2016
History
high-school
5
votes
96.0k
views
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