Solve the problem.The orbit of the Syncom 3 satellite has a period of T = 1436.2 minutes. Calculate the semimajor axis of the satellite. 
and 
A. 2.751 x 106 km
B. 2751 km
C. 42,170 km
D. 4.217 x 107 km
Answer: C
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Translate the problem to a system of equations; then solve using the elimination method.Mardi received an inheritance of $70,000. She invested part at an APR of 8 percent and deposited the remainder in tax-free bonds at an APR of 10 percent. Her total annual income from the investments was $6200. Find the amount invested at 8 percent.
A. $40,000 B. $63,800 C. $39,000 D. $20,000
Write one or more inequalities that describe the set of points.The interior of the sphere of radius 3 centered at the point (-5, -2, 5)
A. (x + 5)2 + (x + 2)2 + (x - 5)2 < 9 B. (x - 5)2 + (x - 2)2 + (x + 5)2 ? 9 C. (x - 5)2 + (x - 2)2 + (x + 5)2 > 9 D. (x + 5)2 + (x + 2)2 + (x - 5)2 > 9
Multiply to find the exact answer. Express the answer as a whole or mixed number when possible and simplify.4 ? 6
A. 24
B. 10
C. 26
D. 26
Evaluate the expression. Round your result to two decimal places.
?
?
A. 3.54 B. 0.54 C. 1.54 D. 2.54 E. -0.46