Answers by Lee Penkman
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Answers by Lee Penkman

Answers by Lee Penkman
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What is the frequency of a radio wave of wavelength 150 m if the velocity of radio waves in free space is 3 × 10^8 m s–¹ ?​
answered May 21, 2022
10 votes
22.9k views
A business owner would have less freedom in a command economy than in a market economy. True or False
answered Apr 23, 2022
3 votes
88.6k views
How culture reflects in the music of japan,china,and korea​
answered Mar 15, 2022
3 votes
132k views
A graph titled Distance as a Function of Time with horizontal axis time (seconds) and vertical axis distance (meters). A straight blue line labeled higher track starts at 0 seconds 0 meters and upward
answered Dec 24, 2021
5 votes
10.5k views
Two co-teachers, Daniel and Mathew, have to grade a set of math journals. Daniel grades 45% of the journals and Mathew grades 55% of them. Mathew has to grade 121 journals. How many total journals have
answered Dec 19, 2021
7 votes
32.2k views
11. Explain sexual reproduction in plants.​
answered Sep 6, 2021
2 votes
197k views
According to "Katherine Johnson Biography," which event "marked a turning point" in the space race between the United States and the Soviet Union? Alan Shepard's mission John Glenn's successful flight
answered Aug 11, 2021
5 votes
113k views
Where does the Respiratory Hygiene strategy focus its efforts?
answered Jul 22, 2021
0 votes
52.4k views
A. Why may a hotel charge such very high prices for wine, soft drinks or even bottled water and yet quite reasonable prices for food and still get away with such high prices?
answered Jul 3, 2021
2 votes
209k views
With regards to the sequence of steps in the team-building process which of the following is correct? Establishing a team mission statement; team cohesiveness training; data gathering and analysis; actions
answered Mar 23, 2021
4 votes
175k views
21 POINTS Write a paragraph (100-200 words) answering this question: How did trade affect early human societies?
answered Feb 16, 2021
1 vote
87.5k views
Joseph lives in a country that lacks basic social infrastructure. Moreover, the banking system is not managed properly. The level of education is low. In which type of country is Joseph residing? Generally,
answered Nov 7, 2020
7 votes
144k views
Determine the equation of a line, in slope-intercept form, that passes through the points (5, 6) and (10, 2).
answered Sep 27, 2020
5 votes
174k views
Betty can travel 61 centimeters in 5 minutes. Please calculate Betty's rate of speed. (round to 2 decimal places)
answered Aug 3, 2020
3 votes
69.6k views
Quiero un mueble para poner mis libros, mis gafas y mí reloj al lado de cama. ¿Que necesito?
answered Jul 4, 2020
4 votes
86.3k views
Which of the following is a zero from the function f(x)=(x+3)(x-7)(x+5)? X=-7, X=-3, X=3, X=5
answered May 24, 2020
1 vote
159k views
Which question would young children most likely have about a new breakfast cereal? A. How does it taste? B. How much sugar does it contain? C. Is it made from organic grains? D. Is it fortified with vitamins?
answered Jul 9, 2019
3 votes
132k views
The distance between Boston and Detroit is 702.Jusn has driven 150 how much farther does he have to drive?
answered Jun 1, 2019
4 votes
205k views
In which portion of this excerpt from his Second Inaugural Address does Abraham Lincoln express his conflicting views about the continuation of the war?
answered Apr 18, 2019
2 votes
83.6k views
Who were the soldiers that harriet nursed?
answered Mar 19, 2019
0 votes
40.0k views
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