Mathematics, 04.02.2020 07:51, lizzy2951
Me quick .
a student solved this problem and said the answer was 3 feet.
gina had two pieces of ribbon. one was 58
foot long and the other was 14
foot long. what was the total length of both pieces of ribbon combined?
is the student's answer reasonable?
no, the answer is not reasonable. it should be about 1 foot.
yes, the answer is reasonable.
no, the answer is not reasonable. it should be about 6 feet.
no, the answer is not reasonable. it should be about 4 feet
Answers: 1
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
Mathematics, 21.06.2019 21:20, naenae6775
Christine wong has asked dave and mike to her move into a new apartment on sunday morning. she has asked them both, in case one of them does not show up. from past experience, christine knows that there is a 40% chance that dave will not show up and a 30% chance that mik a. what is the probability that both dave and mike will show up? (round your answer to 2 decimal places.) b. what is the probability that at least one of them will show up? c. what is the probability that neither dave nor mike will show up? (round your answer to 2 decimal places.)e will not show up. dave and mike do not know each other and their decisions can be assumed to be independent.
Answers: 2
Mathematics, 21.06.2019 22:30, 1930isainunez
How can constraints be used to model a real-world situation?
Answers: 1
Me quick .
a student solved this problem and said the answer was 3 feet.
gi...
a student solved this problem and said the answer was 3 feet.
gi...
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