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Mathematics, 05.11.2019 01:31, jay555538
The area of a circle is found with the formula a = ? , where y represents 3.14. if a tile artist
is placing tiles in a circular mosaic pattern and the area of the circle is 658 square feet, what is
the approximate radius of the circle in feet?
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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Mathematics, 21.06.2019 15:20, aliceotter2007
Asmall (but heavy) particle placed in a glass of water will follow a zigzag motion because the particle will bounce off of the water molecules it meets. this is called brownian motion. a physicist simulates this on a computer, by varying the distance a particle can travel (called the mean free length), on average, before it collides with a water molecule and assigning the change in motion to be one of 8 directions, each with a similar probability. by running the simulated particle (with the same mean free length) many times she determines that it should take 15 seconds, on average, for the particle to fall to the bottom, with a standard deviation of 1.5 seconds. next she lets a real particle fall through a glass of water and finds that it took 18 seconds. what does she conclude, and why?
Answers: 1
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:10, lays20001
Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b. you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c. you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d. you spend $5 plus $10 per week until you have less than $45.
Answers: 3
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Do you know the correct answer?
The area of a circle is found with the formula a = ? , where y represents 3.14. if a tile artist
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