Solve the problem.A coffee can comes packed with enough ground coffee to make 61 cups of coffee. After 49 cups have been made, how many cups of coffee can be made with the remaining ground coffee?
A. 12 cups
B. 100 cups
C. 110 cups
D. 2 cups
Answer: A
Mathematics
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Find the velocity vector in terms of ur and u?.r = a(7 - cos ?) and 
= 5
A. v = (5a cos ?)ur + 5a(7 - sin ?)u? B. v = 5a(7 - cos ?)ur + (5a sin ?)u? C. v = (5a sin ?)ur + 5a(7 - cos ?)u? D. v = (7a sin ?)ur + 7a(5 - cos ?)u?
Mathematics
Find a set of polar coordinates for the point for which the rectangular coordinates are given.(-4
, 4)
A. 
B. 
C. 
D. 
Mathematics
Test the vector field F to determine if it is conservative.F = -cos x cos yi + sin x sin yj - sec2 zk
A. Not conservative B. Conservative
Mathematics
Determine whether the integral is convergent or divergent.
+ x3)dx
A. Convergent B. Divergent
Mathematics