Solve the equation by completing the square.16x2 + 1 = 3x
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Answer: B
Mathematics
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Determine which of the numbers below is a possible order of magnitude estimate of the quantity described.The weight of a grain of rice.
A. 0.000001 ounces B. 0.006 ounces C. 0.01 ounces D. 0.0006 ounces
Mathematics
Use identities to simplify the expression.
A. -cos x B. sin2 x C. cos2 x D. -sin x
Mathematics
Solve the problem.How many arrangements of answers are possible in a multiple-choice test with 7 questions, each of which has 4 possible answers?
A. 16,384 B. 210 C. 840 D. 35
Mathematics
Find the vertices of the ellipse.
+ 
= 1
A. (-29, -4), (21, -4) B. (-5, -19), (-5, 11) C. (-5, -24), (-5, 16) D. (-5, -29), (-5, 21)
Mathematics