Find an equation of the following curve.An ellipse centered at the origin having vertex at (0, -9) and eccentricity equal to 
A. 
+ 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
+ 
= 1
Answer: A
Mathematics
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Find Pk+1 from the given statement Pk.Pk: (k - 1)2 + 2k = k2 + 1
A. Pk+1: k2 + 2k + 1 = (k + 1)2 + 1 B. Pk+1: (k + 1)2 + 2(k + 1) = (k + 1)2 + 1 C. Pk+1: k2 + 2(k + 1) = (k + 1)2 + 1 D. Pk+1: k2 + 2(k + 1) = k2 + 2
Mathematics
Solve the problem.A shipment contains 25 defective and 100 nondefective items. Two items are randomly chosen in succession without replacement and the shipment is rejected if at least one of these is defective. What is the probability that the shipment will be rejected?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Simplify. Assume all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Mathematics
Locate the fraction on the number line.
A.
B.
C.
 ? |
D.
 ? |
Mathematics