Answers by Fruggiero
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Answers by Fruggiero

Answers by Fruggiero
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Americium-241 is used in some smoke detectors. It is an alpha emitter with a half-life of 432 years. How long will it take in years for 40.0 % of an Am-241 sample to decay? Express your answer with the
answered Aug 23, 2020
3 votes
21.9k views
A ball is thrown vertically upward with an initial velocity of 64 feet per second. The distance s (in feet) of the ball from the ground after t seconds is s=64t-16t^2. (A) At what time t will the ball
answered Jul 24, 2020
2 votes
20.8k views
What is the largest military base in the US?
answered May 3, 2020
2 votes
75.0k views
Help me with my math homework please
answered Oct 30, 2019
2 votes
33.5k views
What is tie-in in a writing prompt
answered Aug 11, 2019
4 votes
185k views
The quotient of 8.4 x 10^9 and a number n results in 5.6 x 10^27. What is the value of n?
answered Aug 8, 2019
4 votes
201k views
Why do scientists rely on scientific names rather than common names to classify organisms
answered Apr 22, 2019
7 votes
208k views
Approximately how many news cases of STIs occur in the United States each year? A. 23 million B. 13 million C. 19 million D. 9 million
answered Aug 29, 2018
4 votes
20.9k views
Which of the following statements best expresses a reason for European imperialism in the 1800s? A.)Birth rates in Europe were rising, and nations wanted new lands to house growing populations. B.)European
answered Aug 22, 2018
3 votes
119k views
What is the value of x in the equation below? 1+2e^x+1=9
answered Jun 10, 2018
3 votes
113k views
All gases diffuse rapidly but different rates. For example Carbon dioxide diffuses slower than oxygen gas and hydrogen gas. The rate of diffusion of each gas is dependent on its A) bond type B) solubility
answered May 17, 2018
6 votes
166k views
What is the ordered pair
answered Jan 29, 2018
2 votes
65.3k views
The disciples did not understand why Jesus cleansed the Temple. True False
answered Jan 16, 2018
4 votes
29.6k views
The Rachel’s daily expenses for 10 days are in the table. $25 $44 $43 $62 $52 $54 $37 $60 $28 $37 The mean value of her daily expenses is 37 43.50 44.20 54
answered Nov 27, 2017
2 votes
150k views
What is 100.006+ 23.45
answered Jul 1, 2017
3 votes
110k views
What is the multiplicative inverse of 5/9
answered Jan 20, 2017
1 vote
65.7k views
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