Mathematics, 02.09.2021 07:00 kikipie489
Brianna has nickels, dimes, and quarters worth 2.95 in her purse. The number of dimes is eleven less than the sum of the number of nickels and quarters. How many of each type of goin does she have if there are 19 coins in all?
Answers: 3
Mathematics, 21.06.2019 12:30
Suppose there are 10 five and six-year-old attending a birthday party. when a 30 year old mother walks into the room with an infant in her arms, what happens to the mean age in the room? what happens to the standard deviation of ages in the room? a. the mean and standard deviation of both change. b. the meaning will change, but the standard deviation will stay approximately the same. c. i mean will stay approximately the same, but the standard deviation will change. d. the mean and standard deviation will both stay approximately the same.
Answers: 1
Mathematics, 21.06.2019 14:10
You invested $5000 between two accounts paying 4% and 9% annual interest, respectively. if the total interest earned for theyear was $350, how much was invested at each rate? $was invested at 4% andwas invested at 9%.
Answers: 3
Brianna has nickels, dimes, and quarters worth 2.95 in her purse. The number of dimes is eleven less...
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