Answers by Sergdenisov
Register

Answers by Sergdenisov

Answers by Sergdenisov
Filter
In a particular beam of radiation, which is traveling in a vacuum, the amounts of energy per second at an ultraviolet wavelength of 300 nm and at an infrared wavelength of 800 nm are found to be equal.
answered Jun 13, 2020
1 vote
192k views
For each of the following news stories, determine whether the objects speed or velocity is given: the world record for the hundred-meters dash is about 10m/s; the wind today is 30 km/h from the north-west;
answered Mar 2, 2020
6 votes
146k views
In the hierarchy of scientific thought, a hypothesis: A. Comes right before law B.has the most certainty C. is the least certain D. None of the above
answered Sep 20, 2019
2 votes
20.9k views
Please help and explain the steps you took. Thank you. What is the product in simplest form? State any restrictions on the variable. Please show your work. y^2/y-3 * y^2 - y-6/y^2 + y
answered Sep 7, 2019
4 votes
107k views
Numbers that are equivalent to 20%
answered May 27, 2019
3 votes
74.5k views
I magine you somehow developed a chronic disease. How would you gather information that would help you cure your illness? How could you tell if the information you had gathered was accurate and credible?
answered Jan 28, 2019
3 votes
29.7k views
What is the gcf of 18 and 14
answered Jan 25, 2019
6 votes
161k views
If you rotate a right triangle, what feature of the triangle changes?
answered Dec 5, 2018
5 votes
227k views
When someone reads a novel and writes a review with opinions about the work, this is a type of _____
answered Nov 30, 2018
5 votes
103k views
Russia is located largely in a ___ biome. A. chaparral B. savannah C. boreal D. desert
answered Nov 2, 2018
6 votes
74.1k views
During the Civil War, Grant’s capture of Fort Henry and Fort Donelson contributed to Union control of: A. Kentucky and Tennessee. B. Kentucky and Missouri. C. the Ohio River. D. the Mississippi River.
answered Jul 22, 2018
3 votes
85.7k views
What is the probability that a warner bros movie is a comedy?
answered May 18, 2018
3 votes
22.4k views
The sum of the numerator and denominator of a fraction expressed in simplest form is 17. If 3 is added to the numerator, the value of the fraction will be 1. What is the fraction?
answered Feb 24, 2018
6 votes
233k views
5a + 7, for a = 20 please help me
answered Oct 14, 2017
5 votes
225k views
A polynomial is factored using algebra tiles. What are the factors of the polynomial? A.(x − 1) and (x + 3) B.(x + 1) and (x − 3) C.(x − 2) and (x + 3) D.(x + 2) and (x − 3)
answered Aug 24, 2017
3 votes
120k views
By the 19th century, celebrating Thanksgiving is said to have been the origin of what following table tradition? (a) Having a kiddies' table for the children to eat at (b) Having table cloths with turkeys
answered Dec 20, 2016
1 vote
157k views
Page:
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers