Solve the problem.Suppose the sales of a particular brand of appliance satisfy the relationship 
, where S represents the number of sales in year x, with 
corresponding to 1982. Find the number of sales in 1992.
A. 9800 sales
B. 4680 sales
C. 4900 sales
D. 9580 sales
Answer: C
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Provide the proper response.It can be shown that a hyperbola with center at the origin, foci at src="https://sciemce.com/media/4/ppg__ttt0516191436__f1q52g6.jpg" alt="" style="vertical-align: -4.0px;" /> and absolute value of the distances from any point of the hyperbola to the two foci equal to 6.
and 
and equation 
has equation 
Use this result to find an equation of a hyperbola with center at the origin, foci at 
and
A. 
- 
= 1
B. x2 - y2 = 6
C. 
- 
= 1
D. 
- 
= 1
A river flows in a roughly circular path around a hill. A surveyor measures the distance from P to Q to be 688 .The perpendicular distance from B to the midpoint of PQ, point A, is 86'. What is the radius of curvature of the river through this turn?
Find the midpoint of the segment connecting the given endpoints.
, 
A. 
B. 
C. 
D. 
Find the part.81% of 100 animals
A. 8100 animals B. 810 animals C. 8 animals D. 81 animals