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


Answer: A

Mathematics

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Solve the problem. Round money to the nearest cent, if necessary, rates to the nearest whole percent, and time to the nearest month.Mr. Bell wants to borrow $2700 for home improvements. He doesn't want to pay more than $315.00 in interest. Find the longest time for which the money may be borrowed if the interest rate is 14%.

A. 9 months B. 8 months C. 12 months D. 10 months

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When a company tries to understand the competition, it should gather information about

A. the competitors' strategic intent B. the competitors' current strategies C. the competitors' strengths and weaknesses D. all of these

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Find the vertices of the hyperbola. -  = 1

A. (-9, -2) and (1, -2) B. (4, 6) and (4, -2) C. (-1, 2) and (9, 2) D. (-4, 2) and (-4, -6)

Mathematics

Solve.The maximum number of volts, E, that can be placed across a resistor is given by the formula  where P is the number of watts of power that the resistor can absorb and R is the resistance of the resistor in ohms. Solve this equation for R. Use the result to determine the resistance of a resistor if P is  watts and E is 40 volts.

A. R = E2P
B. R = E2P2 
C. R = 
D. R = 

Mathematics