Answers by Jos Vinke
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Answers by Jos Vinke

Answers by Jos Vinke
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5. Electromagnetic radiation travels at a speed of 3.0 x 10^8 m/s. a) What is the wavelength of a radio wave that has a frequency of 3.5 x 10^5 Hz? b) What is the frequency of an X-ray that has a wavelength
answered Jun 13, 2021
3 votes
230k views
This graph of the mean, or average, number of beans eaten for every three days. During 1-3 more____ red kidney beans were eaten During 4-6 more____ red kidney beans were eaten During 7-9 more____ red kidney
answered Jun 13, 2021
1 vote
89.2k views
6th grade math help me plzz
answered Jun 6, 2021
5 votes
3.7k views
The government of the United States was influenced by Rome’s _______ form of government.
answered May 18, 2021
3 votes
218k views
Which choice best illustrates Frederick Douglass's viewpoint in the passage? A city slave is almost a freeman, compared with a slave on the plantation. He is much better fed and clothed, and enjoys privileges
answered Feb 22, 2021
4 votes
49.4k views
The us keeps track of where immigrants settle in this country. WHERE DO MOST ASIAN IMMIGRANTS SETTLE? The east The northeast The west The south
answered Feb 14, 2021
5 votes
83.1k views
The flowchart above illustrates which type of organizational messages? a. lateral b. downward c. upward d. grapevine
answered Feb 4, 2021
1 vote
49.1k views
Reiko drove from point A to point B at a constant speed, and then returned to A along the same route at a different constant speed. Did Reiko travel from A to B at a speed greater than 40 miles per hour?
answered Feb 3, 2021
3 votes
69.7k views
The Sankore Mosque- seen here and built in the 900s CE- was MOST influential in African history for which of these reasons? A) It introduces Swahili as a language. B) It brought Islam to much of East Africa.
answered Jul 17, 2020
1 vote
37.5k views
An object of irregular shape has a characteristic length of L 1 m and is maintained at a uniform surface temperature of Ts 400 K. When placed in atmospheric air at a temperature of T 300 K and moving with
answered Jul 7, 2020
5 votes
130k views
Write an expression to represent the sum of the numbers in the nth row of Pascal’s triangle. a. n/2 c. 2n b. n² d. 2n Please select the best answer from the choices provided A B C D
answered Feb 3, 2020
3 votes
149k views
Which best describes the purpose of the “thumb-nail”
answered Dec 26, 2019
4 votes
165k views
HELP ASAP PLEASE. lines are graphed below. What can we conclude about them? Select all that apply.
answered Apr 27, 2019
5 votes
151k views
What is the base pair rule for dna strand matching an rna strand?
answered Feb 24, 2019
4 votes
197k views
If necessity is the mother of invention, then play can be said to assume the paternal role of the creative process.
answered Jan 15, 2019
6 votes
82.5k views
This image shows a square pyramid. What is the surface area of this square pyramid?
answered Jan 11, 2019
3 votes
15.8k views
What is the image of (1, -6) for a 270° counterclockwise rotation about the origin? (-1, -6) (-1, 6) (-6, -1) (6, 1)
answered May 26, 2018
4 votes
98.6k views
The concept of separation and balance of powers in the Constitution refers to which of these situations? A) a separation of powers between various executive departments B) a separation of powers between
answered May 11, 2018
1 vote
207k views
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