Solve the equation. Express irrational answers in exact form and as a decimal rounded to 3 decimal places.
x = 91 - x
A. 
? 1.386
B. ln 
- ln 9 ? -1.350
C. 
? 1.257
D. 
? 0.722
Answer: D
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Solve the problem.Suppose that 
= 8. Find 
and 
.
A. 1; -8 B. 0; 8 C. -1; -8 D. 1; 8
Parallel beams of similarly charged particles are shot from two atomic accelerators L = 28 meters apart, as shown in the figure below. If the particles were not deflected, the beams would be 
meters apart. However, because the charged particles repel each other, the beams follow the hyperbolic path 
/>, for some k. Find k.
?
?
A. k = 3.78 × 10 -3
B. k = 1.89 × 10 -3
C. k = 1.89
D. k = 1.89 × 10 -6
E. none of these
Simplify the following expression by first substituting values from the table of exact values and then simplifying the resulting expression.
Table of Exact Values
xsin xcos x0°0130°
45°
60°
90°10
Fill in the blank(s) with the appropriate word(s).
Find an equation of the line that contains the given point and is parallel to the given line. If possible, write your equation in slope-intercept form.(4, 0), 5x + 6y = 5
A. y = 
x + 
B. y = - 
x + 
C. y = - 
x + 
D. y = 
x + 