Solve the quadratic equation by completing the square.5x2 - 2x - 2 = 0
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Write in decimal notation.Three hundred ninety one thousandths
A. 0.0391 B. 0.00391 C. 0.391 D. 300.91
Mathematics
Find the real solutions, if any, of the equation. Use the quadratic formula.3x2 + 6x = - 1
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of the product.sin 
sin 
A. 
B. 
C. 
D. 
Mathematics
Find the amount of sales tax or tax rate and the total cost. Round money answers to the nearest cent if necessary.Amount of sale: $173 Tax rate: 9%
A. $13.84, $186.84 B. $15.57, $188.57 C. $17.30, $190.30 D. $155.70, $328.70
Mathematics