Answers by Stefan Birkner
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Answers by Stefan Birkner

Answers by Stefan Birkner
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What is f(-3) for the function f(a)=-2a^2-5a+4
answered Feb 20, 2019
7 votes
177k views
The wavelength of a specific photon in the x-ray is 5 x 10-9 meters. Given that the speed of light is 2.998 x 108 m/s, what would be the frequency of this x-ray? 14.99 x 10-1 HZ 0.5996 x 10-17 HZ 1.499
answered Dec 27, 2018
2 votes
91.4k views
What kind of noun is myself?
answered Sep 25, 2018
2 votes
40.2k views
What is 42 as a fraction in simplest form?
answered Aug 25, 2018
3 votes
197k views
"But soft! What light through yonder window breaks?" is an example of iambic pentameter. true or false please help
answered Mar 2, 2018
3 votes
1.9k views
This city, now the county seat of Jefferson County, was Georgia's third capital from 1796-1807. A) Augusta B) Louisville C) Milledgeville D) Savannah
answered Oct 28, 2017
4 votes
216k views
Which of the following situations might require voters to hold a special election? A. A citizen announces that he or she is interested in running for office. B. A regularly scheduled election day is approaching.
answered Jun 13, 2017
2 votes
226k views
During a relay, Natasha swam 0.8 km and Kevin swam 500 m. How many meters did they swim in total?
answered Apr 13, 2017
6 votes
202k views
What must differ between the atom of two different elements
answered Jan 9, 2017
2 votes
38.4k views
Can 25/35 be simplified?
answered Jun 21, 2016
1 vote
125k views
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