Mathematics, 31.07.2019 09:30 austin8535
Kat has 19 coins, all quarters and dimes, that are worth a total of $4. the system of equations that can be used to find the number of quarters, q, and the number of dimes, d, she has is shown. q + d = 19 0.25q + 0.1d = 4 how many quarters does she have? 4 5 14 15
Answers: 2
Mathematics, 21.06.2019 13:30
Apublic library wants to place 4 magazines and 9 books on each display shelf. the expressions 4s +9s represents the total number of items that will be displayed on s shelves. simplify this expression
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Mathematics, 21.06.2019 19:50
If the scale factor between two circles is 2x/5y what is the ratio of their areas?
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Mathematics, 21.06.2019 21:30
Suppose y varies directly with x. write a direct variation equation that relates x and y. then find the value of y when x=12 y=7 when x=3
Answers: 1
Kat has 19 coins, all quarters and dimes, that are worth a total of $4. the system of equations that...
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