Mathematics, 19.11.2020 17:50 SkyMelvin
John, Cindy, and Isaiah went to the store to buy school supplies. John bought 2 pens, 3 folders, and 4 notebooks for a total of $20. Cindy bought 5 folders and 5 notebooks for a total of $25. Isaiah bought 3 pens, 1 folder, and 2 notebooks for a total of $11. Which system of equations can be used to find the cost of each pen, p, folder, f, and notebook, n?
Answers: 3
Mathematics, 21.06.2019 18:30
How do you solving the solution of each system using elimination?
Answers: 2
Mathematics, 21.06.2019 20:30
Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2
Answers: 2
Mathematics, 21.06.2019 20:40
The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2
Answers: 2
John, Cindy, and Isaiah went to the store to buy school supplies. John bought 2 pens, 3 folders, and...
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