Find the whole.43% of what number of seconds is 68 seconds?

A. 1580 seconds
B. 60 seconds
C. 0.6 seconds
D. 158 seconds


Answer: D

Mathematics

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Solve the problem.The orbit of a satellite had a semimajor axis of a = 8872 km. Calculate the period of the satellite.  and 

A. 78.2 min B. 1.98 hr C. 138.6 min D. 12 hr

Mathematics

Expand. Assume that all variables represent positive real numbers.log7

A. log7(12) - log7s
B. log7s - log712 -  log7r
C. log712 ?  log7m ÷ log7s
D. log712 +  log7r - log7s

Mathematics

Find an equation of the line that contains the given point and is parallel to the given line.y = -4x, (4, 4)

A. y = - 4x - 20
B. y = - 4x + 20
C. y = - x - 5
D. y = 4x - 20

Mathematics

The given point lies on the graph of the unit circle and corresponds to a real number t. Find the value of the indicated trigonometric function of t.  Find cot t.

A. - 
B. - 
C.
D.

Mathematics