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Consider a circle (radius R) to be made up of many concentric rings of radius r and thickness dr. Find the area, dA, of one of these rings and integrate from 0 to R to get the area of the circle. Remember,
asked
May 7, 2021
Mathematics
high-school
1
answer
3
votes
103k
views
What organism is the wolf’s life intertwined with?
asked
May 5, 2021
Biology
high-school
1
answer
3
votes
114k
views
What are the difference between proactive and reactive people??
asked
Apr 27, 2021
Social Studies
college
2
answers
2
votes
38.8k
views
In the wake of the Civil War, compared to the South the North had sustained very little destruction. had to create a new labor system. had more economic challenges. had to repair damaged property.
asked
Mar 16, 2021
History
college
2
answers
2
votes
3.2k
views
Find the empirical formula of a compound which is 15.87% C, 2.22% H, 18.50% N, and 63.41% O?
asked
Jun 4, 2020
Chemistry
middle-school
1
answer
0
votes
216k
views
2. in a class of students there are 16 gits. What is the rate of boys to get in the class?
asked
Mar 14, 2020
Mathematics
middle-school
1
answer
2
votes
207k
views
Plz help I can't figure out the answers to these questions
asked
Mar 11, 2020
Health
middle-school
2
answers
1
vote
100k
views
How do you calculate a scale for your drawing when using a microscope? A. Size of drawing / size of organism B. Field of view / size of drawing C. Size of organism x size of drawing D. Magnification /
asked
Jan 21, 2020
Biology
middle-school
1
answer
0
votes
177k
views
The interior of a cell is called to the ?
asked
Dec 12, 2019
Biology
middle-school
2
answers
3
votes
24.5k
views
What are two parts of the peripheral nervous system
asked
Jan 18, 2019
Chemistry
middle-school
2
answers
5
votes
126k
views
Pretending you are writing a report on a country where multiculturalism has had A positive effect. Choose one country to explain the positive effects of individuals from any cultures living there.
asked
Jan 12, 2019
History
middle-school
1
answer
4
votes
203k
views
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