Solve.The speed s of a vehicle is inversely proportional to the time t it takes to travel a fixed distance. If a vehicle travels a fixed distance at 10 miles per hour in 20 minutes, how fast must it travel to cover the same distance in 50 minutes?
A. 25 mph
B. 4 mph
C. 100 mph
D. 
mph
Answer: B
Mathematics
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Find the indicated cardinal number.Find n(E), given that n(C × E) = 18 and C = {4, 5, 6}.
A. 3 B. 6 C. 54 D. 9
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Find the cube roots of the following complex number. Write each of the roots in standard form. 27.
a. 
b. 3, - 3
c. 3
d. 
e. 
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Use reference angles to find the exact value of the expression.csc 1,020°
A. - 
B. - 
C. - 
D. - 
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A formula is given along with the values of all but one of the variables in the formula. Find the value of the variable not given.A = 
bh; b = 8, h = 18
A. 72 B. 26 C. 144 D. 26.5
Mathematics