Answers by Andres Zapata
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Answers by Andres Zapata

Answers by Andres Zapata
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Fiber optics are an important part of our modern internet. In these fibers, two different glasses are used to confine the light by total internal reflection at the critical angle for the interface between
answered Apr 23, 2021
5 votes
166k views
How did early hunter-gatherers affect the physical environment? A. They spread seeds when they farmed new areas. B. They contributed to a decline in animal populations. C. They mined metals to make arrowheads
answered Apr 12, 2021
1 vote
76.9k views
Question 1 of 10 If f(x) = 3x - 1 and g(x) = x + 2, find (f + g)(x). O A. 2x-1 O B. 2x-3 C. 3x - 3 O D. 4x + 1
answered Mar 4, 2021
2 votes
160k views
What are some examples of banking products and services?
answered Sep 23, 2020
4 votes
37.7k views
Which statement about the graph below is incorrect? (Look in picture)
answered Sep 23, 2020
6 votes
216k views
Here are two ways to add numbers: Abe's method: Round the numbers to the nearest inte- ger and add. Ben's method: Add the numbers, then round the result to the nearest integer. 72. What is the difference
answered Aug 27, 2020
5 votes
70.6k views
Which term defines a well tested,scientifically supported statement that explains how something works
answered Aug 13, 2020
6 votes
118k views
Help me 39 points!!!
answered Jul 19, 2020
6 votes
24.2k views
Definition of automaticity
answered Jan 17, 2020
2 votes
11.5k views
Which approach best defines how writers of historical fiction try to appeal to readers?
answered Dec 2, 2019
5 votes
89.5k views
A jet plane is descending at a rate of 200 feet per second from an altitude of 36000 feet let x represent the number of seconds of descent and y represent the jet plane’s altitude in feet. Which expression
answered Sep 17, 2019
3 votes
174k views
What is the average salinity of ocean water 34.5 g/kg 0.345 g/kg 345 g/ml 3.45 g/kg
answered Jul 8, 2019
2 votes
209k views
This great Nation will endure as it has endured, will revive and will prosper. Which concept does Roosevelt most likely intend to convey in this sentence? Optimism must be supported by facts. People tend
answered Jun 13, 2019
2 votes
208k views
An example of a typical pioneer species, that is one that appears in the earliest stages of ecological succession, is A. weeds. B.spider. C.oak tree. D.humans.
answered Dec 10, 2018
2 votes
71.8k views
the world population was 2560 million in 1950 and 6,080 million in 2000. assume the growth rate of the population P'(t) is proportional to the size of the population P(t): P'(t)=kP(t)
answered Nov 21, 2018
7 votes
204k views
Simplify \frac{36 + 15x}{x} . Identify any excluded values.
answered Jul 20, 2018
3 votes
136k views
How does imperialism in africa in 1878 compared with that in 1913??
answered Jan 19, 2018
1 vote
37.2k views
Which organization sets monetary policy for the United States? Board of Governors Congress Federal Open Market Committee Federal Reserve Banks
answered Jun 18, 2017
3 votes
25.7k views
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