Solve.The number of students in a school in year n is estimated by the model
. About how many students are in the school in each of the first three years?
A. 100, 129, 168
B. 100, 129, 153
C. 114, 143, 182
D. 105, 129, 168
Answer: A
Mathematics
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Solve the problem.The shape and density of a thin shell are indicated below. Find the moment of inertia about the z-axis.Shell: portion of the cone x2 + y2 - z2 = 0 between z = 2 and z = 3Density: ? = 1
A. Iz = 
?
B. Iz = 
C. Iz = 65
D. Iz = 65?
Mathematics
Solve the problem.In the weighted voting system 
, a two-thirds majority of the votes is needed to pass a motion. The value of the quota q is
A. 59. B. 20. C. 7. D. 40. E. none of these
Mathematics
Compute the product or state that it is undefined.
A. 
B.
[8 1]
C. 
D. 
Mathematics
Find an equation in standard form for the hyperbola that satisfies the given conditions.Vertices at (0, ±6), foci at (0, ±9)
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics