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Which of the following pair(s) of circles are externally tangent? Select all that apply.
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Mary used 1/7 of a spool of ribbon to complete 4 projects. she used the same amount of ribbon on each project. how much ribbon did she use on each project?
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Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?
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Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.
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Mathematics, 21.06.2019 18:30
The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base
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Which of the following pair(s) of circles are externally tangent? Select all that apply.
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