Mathematics, 15.01.2021 20:10 ivilkas23
Mr. Villarreal used similar rectangles to make a design. Which statement about the rectangles in the design must be true? *
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If a and โa are numbers on the number line, which expression must give the distance between them? a) 0 b) a c) |2a| d) |a|
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1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?
Answers: 2
Mr. Villarreal used similar rectangles to make a design. Which statement about the rectangles in the...
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