Solve the problem.The speed of a vehicle is inversely proportional to the time it takes to travel a fixed distance. If a vehicle travels a fixed distance at 30 miles per hour in 60 minutes, how fast must it travel to cover the same distance in 25 minutes?
A. 50 mph
B. 
mph
C. 
mph
D. 72 mph
Answer: D
Mathematics
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For 
to be an isosceles triangle with 
, state an equation that relates s, t, and v.
What will be an ideal response?
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Express the product as a sum containing only sines or cosines.sin(4?) sin(7?)
A. 
[- cos(3?) - cos(11?)]
B. 
[cos(3?) - cos(11?)]
C. 
[cos(11?) - sin(3?)]
D. sin2(28?2)
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Perform the indicated operations.-2 - 5 - 2
A. 1 B. -9 C. 5 D. -5
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