Solve the system of equations using the substitution method.
A. (2.3, .2)
B. (2.9, 2)
C. (.23, 2)
D. (2.3, 2)
Answer: D
Mathematics
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Evaluate the integral.
A. 8i + 
j + 10(1 - 
)k
B. 8i + 
j + 10(1 + 
)k
C. 8i + 
j + 10(1 + 
)k
D. 8i + 
j + 10(1 - 
)k
Mathematics
Test the vector field F to determine if it is conservative.F = -csc2 x csc yi - cot x cot y csc yj - cos xk
A. Not conservative B. Conservative
Mathematics
Use the table to find the federal income tax. Round to the nearest cent.
A. $20,850.05 B. $19,802.50 C. $24,672.05 D. $29,660.75
Mathematics
Determine the slope and the y-intercept.y = 8x + 6
A. Slope = -8, y-intercept = (0, 6) B. Slope = 6, y-intercept = (0, 8) C. Slope = 6, y-intercept = (0, -8) D. Slope = 8, y-intercept = (0, 6)
Mathematics