Mathematics, 26.04.2021 21:40 jannaleigh
A combination lock has 3 wheels, each numbered from 0 to 9. You try to guess the combination by writing five different numbers from 0 to 999 on a piece of paper. Find the probability that the correct combination is written on the paper. The probability is
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Mathematics, 21.06.2019 20:30
The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?
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Mathematics, 21.06.2019 21:00
If 30 lb of rice and 30 lb of potatoes cost ? $27.60? , and 20 lb of rice and 12 lb of potatoes cost ? $15.04? , how much will 10 lb of rice and 50 lb of potatoes? cost?
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Mathematics, 21.06.2019 22:30
Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by รขโ4 to get รขโ16x รขโ 4y = รขโ80 multiply the second equation by รขโ1 to get รขโ4x รขโ y = รขโ20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by รขโ1 to get รขโ2x รขโ 4y = รขโ14
Answers: 1
A combination lock has 3 wheels, each numbered from 0 to 9. You try to guess the combination by writ...
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