Calculate the flux of the field F across the closed plane curve C.F = xi + yj; the curve C is the circle (x + 6)2 + (y - 4)2 = 25
A. 0
B. 50? - 30
C. 2?
D. 50?
Answer: D
Mathematics
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Write the satement in symbols. Let x represent the unknown number.The difference of fifteen and a number, divided by three.
A. 
B. 
- 15
C. 15 - 
D. 
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Solve the problem.In a raffle, one thousand tickets are sold. There is a grand prize of $6000, a second prize of $400, and a third prize of $100. What ticket price would make this game fair?
A. $6.64 B. $6.50 C. $6.59 D. $6.23
Mathematics
Use identities to fill in the blank with the appropriate trigonometric function name.tan 
= 
A. csc B. cos C. tan D. cot
Mathematics
Solve the quadratic equation using the quadratic formula.10 = 4x - x2
A. {-2 - i
, -2 + i
}
B. {2 - i
, 2 + i
}
C. {2 - i
, 2 + i
}
D. {-2 - i
, 2 + i
}
Mathematics