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How long will it take for 750 mg of a sample of radium-225, which has a half-life of about 15 days, to decay to 68 mg?
asked
Jul 5, 2023
Mathematics
high-school
1
answer
18
votes
17.0k
views
Which sentence shows how Estelle's grandfather's life greatly affected his family's future? Great Expectations "Estelle, please read the next two paragraphs," Ms. Tate said. "Estelle. Estelle!" Estelle
asked
Dec 20, 2022
English
middle-school
1
answer
2
votes
175k
views
Which of the following has had the most negative effect on Earth's ecosystems? A. establishment of air pollution standards. B. increase in human population C. recycling glass, plastic, and metals D. use
asked
Oct 15, 2022
Chemistry
college
2
answers
2
votes
117k
views
PLEASE HELP #24 DUE SOON
asked
Jun 20, 2022
Mathematics
high-school
1
answer
23
votes
234k
views
Please help with my spanish i really need it! fast !
asked
Mar 20, 2022
Spanish
high-school
1
answer
0
votes
140k
views
Which of the following behaviors are generally considered to be professional? Check all of the boxes that apply. exhibiting respect for people, both personally and professionally participating in professional
asked
Mar 19, 2022
Business
college
2
answers
2
votes
214k
views
The SAT mathematics scores in the state of Florida are approximately normally distributed with a mean of 500 and a standard deviation of 100 Using the empirical rule, what is the probability that a randomly
asked
Nov 16, 2021
Mathematics
middle-school
1
answer
5
votes
142k
views
Terri is four years old. The intelligence test that would most likely be used to determine her IQ is the __________ WAIS-IV WAIS-III WPPSI-III WISC-IV
asked
Jul 28, 2021
Social Studies
middle-school
1
answer
5
votes
228k
views
How you could use the scientific method to learn whether water really does take longer to boil if you are watching it.
asked
Jun 15, 2021
Chemistry
high-school
1
answer
1
vote
21.3k
views
Instructions Question: State the usefulness of correction signs.
asked
May 28, 2021
Business
middle-school
1
answer
2
votes
94.2k
views
Jack traveled by train and went 540 miles in 5 hours. How many miles did Jack travel in. 1 hour? Please help me and show me how to do it thank you!!!
asked
Apr 14, 2021
Mathematics
middle-school
2
answers
4
votes
14.2k
views
To err is human to forgive is divine what figure of speech is that
asked
Apr 5, 2021
English
high-school
2
answers
2
votes
70.5k
views
How does driving on the beach contribute to ocean acidification?
asked
Jan 27, 2021
Biology
high-school
1
answer
3
votes
24.8k
views
Please Help Me, I Cant Even Do the First Step Of The Problem :( Theres an image of the graph in the question. The graph of g is a vertical translation of the graph of f. If f(x) = mx + b and g(x) = (mx
asked
Jan 20, 2021
Mathematics
high-school
1
answer
2
votes
168k
views
Use the formula A=1•w , solve the following word problem. You have enough wallpaper to cover 240 square feet. If your walls are 8 feet high, what wall length can you paper? a. Wall length of 40 feet b.
asked
Jan 18, 2021
Mathematics
middle-school
1
answer
5
votes
183k
views
How do you do slope in mathematics?
asked
Jul 5, 2020
Mathematics
middle-school
1
answer
0
votes
109k
views
Which size would you see on the box for a new television whose screen measures 34.2 inches wide by 60.8 inches high ?
asked
Jan 11, 2020
Mathematics
middle-school
1
answer
1
vote
15.8k
views
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