Provide an appropriate response.The probability distribution for the random variable X is: 
What is the expected value of X?
A. 0.62
B. 0.26
C. 0.22
D. 0.50
Answer: A
Mathematics
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Solve the problem.Find the values of v0 in the equation e = 
- 1 that make the orbit described by 
parabolic.
A. v0 = 2GM
B. v0 = 
C. v0 = 
D. v0 = 
Mathematics
Determine if the series converges or diverges. If the series converges, find its sum.
A. diverges
B. converges; 
C. converges; 
D. converges; 
Mathematics
When solving a problem with geometric figures involved, we should use the ___________________ problem-solving strategy.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find the constant of proportionality k, and write the linear function relating the two variables.Suppose that y varies inversely with x. When x = 7, then y = 9.
A. k = 
; y = 
x
B. k = 63; y = 
C. k = 
; y = 
x
D. k = 56; y = 
Mathematics