Mathematics, 19.10.2019 02:40 deaishaajennings123
Follow the directions to solve the system of equations by elimination. 8x + 7y = 39 4x – 14y = –68 multiply the first equation to enable the elimination of the y-term. add the equations to eliminate the y-terms. solve the new equation for the x-value. substitute the x-value back into either original equation to find the y-value. check the solution. the solution to the system of equations is
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Mathematics, 21.06.2019 15:20
At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.
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Mathematics, 21.06.2019 17:20
The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6
Answers: 3
Follow the directions to solve the system of equations by elimination. 8x + 7y = 39 4x – 14y = –68 m...
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