Solve the equation using the Addition Property of Equality. Be sure to check your solution.x + 
= 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the problem.A space shuttle is in a circular orbit 250 km above the Earth's surface. Use Kepler's third law( with 
) to find the orbital period of the satellite.(G = 6.67 × 10-11 Nm2 kg-2, 
and Earth's radius is 
).
A. T = 90 min B. T = 9 min C. T = 1 hr D. T = 2 hr
Mathematics
Convert between English and Metric System of Units.
12 ft 6 in. = 
m (Round to the nearest tenth.)
A. 4.2 B. 3.6 C. 3.2 D. 3.8
Mathematics
Factor out the GCF from the polynomial.6x4 - 30x2
A. 6(x4 - 5x2) B. 6x2(x2 - 5) C. x4(6x2 - 30) D. 6x3(x - 5x)
Mathematics
Solve.2x2 = 5x + 7
A. 
, 0
B. 
, 1
C. 
, -1
D. 
, -1
Mathematics