Mathematics, 09.01.2020 20:31 kaiya2022547
Samuel owns 270 comic books. he divided his comic books into two groups to store in boxes. the ratio of the groups appear below. bases on the ratio how many comic books are in each box?
group ratio number of comics
a 4 ?
b 5 ?
Answers: 2
Mathematics, 21.06.2019 15:00
Aregular hexagon rotates counterclockwise about its center. it turns through angles greater than 0° and less than or equal to 360°. at how many different angles will the hexagon map onto itself?
Answers: 2
Mathematics, 21.06.2019 15:00
Consider the diagram. which line segment has the same measure as st? rx tx sr xs
Answers: 3
Mathematics, 21.06.2019 15:20
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
Samuel owns 270 comic books. he divided his comic books into two groups to store in boxes. the ratio...
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