Solve the problem.A rectangular board is 4 by 6. How far from the center of the board will the foci be located to determine the largest elliptical tabletop? Round your answer to the nearest tenth.
A. .8
B. 2.2
C. 1.0
D. 2.0
Answer: B
Mathematics
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Provide an appropriate response.
Which two lines are parallel? 
A. 
and 
B. 
and 
C. 
and 
D. 
and 
Mathematics
Find the perimeter.a scalene triangle whose sides are 15 ft, 8 ft, and 16 ft
A. 38 ft B. 39 ft C. 64 ft D. 31 ft
Mathematics
Solve the problem.A vibrating wire has a vertical displacement given by 
Assume b and t are constants. Write y as a cosine function of x.
A. y = 18 cos(2?x + bt) B. y = 9 cos(2?x + bt) C. y = 9 cos(2?x - bt) D. y = cos(2?x - bt)
Mathematics
Graph the parabola and label the vertex. Find the x-intercept.x = (y - 6)2 + 3
A. vertex (3, 6), x-intercept (39, 0)
B. vertex (-3, 6), x-intercept (33, 0)
C. vertex (3, -6), x-intercept (39, 0)
D. vertex (-3, -6), x-intercept (33, 0)
Mathematics