Solve the problem.The orbit of Vanguard 1 had a semimajor axis of a = 8872 km. Calculate the period of the satellite. 
and 
A. 138.6 min
B. 78.2 min
C. 12 hr
D. 1.98 hr
Answer: A
Mathematics
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A. 550% B. 55% C. 0.055% D. 5.5%
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Simplify the expression.
- 
+ 
A. 
B. 
C. 
D. 
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Verify the identity.
?
What will be an ideal response?
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Write the expression as the sum or difference of logarithms.log3 
A. 6log3 x + 2log3 y - log3 2 B. 6log3 x + 2log3 y + log3 2 C. (6log3 x)(2log3 y) - log3 2 D. 6log3 x - 2log3 y - log3 2
Mathematics