Solve for the specified variable.P = S1 + S2 + S3 for S3
A. S3 = P - S1 - S2
B. S3 = S1 + S2 - P
C. S3 = S1 + P - S2
D. S3 = P + S1 + S2
Answer: A
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Find the vertices and locate the foci for the hyperbola whose equation is given.
- 
= 1
A. vertices: (-6, 0), (6, 0)
foci: (- 
, 0) , (
, 0)
B. vertices: (-7, 0), (7, 0)
foci: (-6, 0), (6, 0)
C. vertices: (0, -7), (0, 7)
foci: (0, - 
) , (0, 
)
D. vertices: (0, -7), (0, 7)
foci: (- 
, 0) , (
, 0)
Solve the problem.The area of a rectangular conference table is 95 square feet. If its length is 6 feet longer than its width, find the dimensions of the table. Round each dimension to the nearest tenth of a foot, if necessary.
A. 7.2 feet by 12.9 feet B. 7.2 feet by 13.2 feet C. 7.5 feet by 13.5 feet D. 7.5 feet by 12.7 feet
A simplex matrix for a standard maximization problem is given. Write the values of all the variables (use x1, x2, x3 ... and s1, s2, s3...) and of the objective function f.
?
?
A. 
B. 
C. 
D. 
E. 
According to a study of Western-built commercial jets involved in crashes during ten years, the percent of airplane crashes that occur at each stage of flight are as follows:
If one of the doomed flights during ten years is picked at random, what is the probability that it crashed while taxiing on the ground or while en route?
a. 0.76
b. 0.32
c. 0.05
d 0.09