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20% of a class are boys and 20 are girls. what's the ratio of girls to boys?
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Lee has $1.75 in dimes and nickels. the number of nickels is 11 more than the number of dimes. how many of each coin does he have?
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Mathematics, 21.06.2019 19:00
Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !
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A25- foot ladder leans against a building and reaches a point of 23.5 feet above the ground .find the angle that the ladder makes with the building
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Mathematics, 21.06.2019 21:40
The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?
Answers: 2
20% of a class are boys and 20 are girls. what's the ratio of girls to boys?...
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