Mathematics, 08.10.2019 03:30 iiomqjessica
The arithmetic mean (i. e., average) of a set of 7 numbers is 20. the mean of a second set of 13 numbers is 40. what is the mean of all 20 numbers?
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On saturday morning, calls arrive at ticketmaster at a rate of 108 calls per hour. what is the probability of fewer than three calls in a randomly chosen minute?
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If rt is greater than ba, which statement must be true ?
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What is the difference between the equations of a vertical and a horizontal line?
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The arithmetic mean (i. e., average) of a set of 7 numbers is 20. the mean of a second set of 13 num...
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