Solve the system of equations. If there is no solution to the system, give a reason.Solve using the substitution method. x + 7y = -14-7x + 8y = -16
A. (1, -3)
B. No solution; inconsistent system of equations
C. (2, 0)
D. (0, -2)
Answer: D
Mathematics
You might also like to view...
Solve the problems.Jack is currently driving into a headwind (17% decrease). If his normal mileage is 28 mpg, what will his car's mileage be in the headwind? Round your answer to the nearest tenth.
A. 45 mpg B. 7.3 mpg C. 28 mpg D. 23.2 mpg
Mathematics
Find the sum of the series.
A. -90 B. -18 C. -52 D. -79
Mathematics
Solve the equation by completing the square.x2 + 4x = 9
A. {-2 ± 
}
B. {-1 ± 
}
C. {2 + 
}
D. {-2 ± 2
}
Mathematics
Find the expected value.A car agency has found daily demand to be as shown in the table.
Find the expected number of customers.
A. 9 B. 12 C. 10 D. 2
Mathematics