Answers by Derek Janni
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Answers by Derek Janni

Answers by Derek Janni
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The power per unit cross-sectional area, E, transmitted by a sound wave is a function of wave speed, V, medium density, rho, wave amplitude, r, and wave frequency, n. Determine by dimensional analysis
answered Aug 22, 2021
4 votes
27.3k views
SOMEONE PLEASE HELP !!!!!!
answered Jun 24, 2021
5 votes
146k views
It is always a good idea to get some sense of the "size" of units. For example, the mass of an apple is about 100 g , whereas a bicycle is about a hundred times more massive at around 10 kg . Estimate
answered Apr 12, 2021
4 votes
215k views
Determine whether the graph represents a proportional relationship. Yes, it is a proportional relationship because the graph goes through the origin No, it is not a proportional relationship because the
answered Mar 2, 2021
0 votes
128k views
The area of a circle is 16​ square meters. What is the diameter?
answered Feb 23, 2021
7 votes
14.6k views
What was the purpose of the UN's Universal Declaration of Human Rights?
answered Feb 15, 2021
5 votes
85.6k views
Which of the following are factors of both 15 and 45?
answered Feb 7, 2021
2 votes
107k views
How do you do this problem and what are the conditions met that makes this a binomial distribution(all 3 conditions)?
answered Jan 30, 2021
5 votes
146k views
How did religion, natural resources, and location each determine the prosperity of African societies?
answered Nov 15, 2020
5 votes
145k views
This is just a random survey I came up with. You don't need to take it and I'm trapped in a house, so I have no one else to take my survey. Do you like reading books? How many hours do you read each week?
answered May 10, 2020
2 votes
55.7k views
How are silicate minerals different from non-silicate minerals
answered Nov 22, 2019
3 votes
20.4k views
How are global poverty, disease, disasters and migration linked to each other? how might they be linked to globalization?
answered Sep 17, 2019
6 votes
228k views
Your car needs fixing and you have two friends that offered to help. Abe can fix it for $70 per hour with a $130 part, but Gabe can fix it for $80 an hour with a $40 part. If Abe could find the part for
answered May 31, 2019
7 votes
19.0k views
The money collected from selling bacon at a butcher store is given by the function f(x) = 3.55x – 4, where f(x) is the sales revenue in dollars and x is the number of customers visiting the store each
answered Oct 21, 2018
4 votes
811 views
What are partisans? (This is about WW2!)
answered Sep 12, 2018
3 votes
92.0k views
Candice is learning to hula hoop. She starts out with 1 hula hoop and adds another. She then adds another 3 hula hoops. She then triples the number of hula hoops she is using. She then doubles that number
answered Mar 23, 2018
6 votes
109k views
What is a simple circuit and a parallel circuit
answered Mar 19, 2018
7 votes
42.0k views
How can refraining from smoking benefit an individual's health?
answered Oct 2, 2017
3 votes
75.6k views
Write the doubles plus one fact for 7+7
answered Jul 17, 2017
7 votes
4.3k views
7 5/8 + 2 9/16= WHAT
answered Jun 14, 2017
2 votes
36.7k views
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