QUESTION 6
Solve the problem.
A 12-ft. board is cut into 2 pieces so that one plece is 8 fee...
Mathematics, 10.02.2022 19:40 Syaralopez
QUESTION 6
Solve the problem.
A 12-ft. board is cut into 2 pieces so that one plece is 8 feet longer than 3 times the shorter plece. If the shorter piece is x feet long, find the lengths of both
pieces by solving the equation x + (3x + 8) = 12.
O shorter plece: 6 ft; longer piece: 36 ft
shorter plece: 24 ft; longer piece: 44 ft
shorter piece: 28 ft; longer piece: 36 ft
O shorter piece: 1 ft; longer piece: 11 ft
Answers: 3
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Arrange the steps to solve this system of linear equations in the correct sequence. x + y = -2 2x – 3y = -9 tiles subtract 3x + 3y = -6 (obtained in step 1) from 2x – 3y = -9 (given) to solve for x. substitute the value of x in the first equation (x + y = -2) to get y = 1. the solution for the system of equations is (-3, 1). x = -15 the solution for the system of equations is (-15, 13). add 3x + 3y = -6 (obtained in step 1) to 2x – 3y = -9 (given), and solve for x. x = -3 substitute the value of x in the first equation (x + y = -2) to get y = 13. multiply the first equation by 3: 3(x + y) = 3(-2) 3x + 3y = -6.
Answers: 1
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