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three numbers in an arithmetic

if the arithmetic mean of four numbers is 20 and the arithmetic mean of other six numbers is 10 then,find the arithmetic mean of
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2. asked by john
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Three numbers are in an arithmetic progression; three other numbers are in a ge- ometric progression. Adding the corresponding
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2. asked by Sara V.
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The arithmetic mean of a set of 50 numbers is 38.If the two numbers,45 and 55,are discarded,the mean of the remaining set of
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2. asked by Shine
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Three numbers whose sum is 15 are in an arithmetic progression. The product of the 1st two numbers is 2 more than the 3rd. Find
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2. asked by Melina
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QuestionClassify the following list of numbers as an arithmetic sequence, a geometric sequence, some other sequence, or not a
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QuestionClassify the following list of numbers as an arithmetic sequence, a geometric sequence, some other sequence, or not a
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Classify the following list of numbers as an arithmetic sequence, a geometric sequence, or neither.9,4,-1,-6 (1 point) Responses
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Katie has a list of real numbers such that the sum of the numbers on her list is equal to the sum of the squares of the numbers
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2. asked by Mary
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The sum of three different numbers which are consecutive terms of a geometric progression is 28. The numbers are also the first,
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2. asked by Kelvin
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Classify the following list of numbers as an arithmetic sequence, a geometric sequence, some other sequence, or not a sequence.
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2. 126 views