Solve the equation by factoring.x2 - 81 = 80x
A. -9
B. -1, 81
C. -9, 9
D. 1, -81
Answer: B
Mathematics
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Find all complex-number solutions by using the quadratic formula.x2 - x = -
A.
B.
C.
D. i, 0
Mathematics
Find the indicated term for the sequence.an = (4n + 5)(5n - 1) ; a5
A. 650 B. 100 C. 36 D. 600
Mathematics
Find the exact function value if it exists.sec (-60°)
A. 2
B. -
C.
D. -
Mathematics
The Cobb-Douglas production function for an automobile manufacturer is where x is the number of units of labor and y is the number of units of capital. Estimate the average production level if the number of units of labor x varies between 200 and 250 and the number of units of capital y varies between 200 and 250. Round your answer to two decimal places.
?
A. 22,487.73 B. 22,467.73 C. 22,477.73 D. 22,498.18 E. 22,457.28
Mathematics