Solve.The time in hours it takes a satellite to complete an orbit around the earth varies directly as the radius of the orbit (from the center of the earth) and inversely as the orbital velocity. If a satellite completes an orbit
above the earth in
at a velocity of
how long would it take a satellite to complete an orbit if it is at
/> above the earth at a velocity of (Use
as the radius of the earth.)
A. 27.28 hours
B. 166.65 hours
C. 5.01 hours
D. 16.66 hours
Answer: D
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Use the Change-of-Base Formula and a calculator to evaluate the logarithm. Round to four decimal places.log0.218
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Graph the system of inequalities. Indicate the solution set by shading.2x + 3y ? 6 x - y ? 3 x ? 1
A.
B.
C.
D.
A cloth fragment is found in an ancient tomb. It contains 70% of the carbon-14 (half-life is 5700 years) that it is assumed to have had initially. How old is the cloth? Round your answer to the nearest integer. ?
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