Find the reference angle for the given angle.-79.7°
A. 79.7°
B. 80.2°
C. 10.8°
D. 10.3°
Answer: A
Mathematics
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Solve the initial value problem.y ' + y = 2ex; y(0) = 7
A. y = 7ex B. y = ex + 6e-x C. y = 2ex + 4e-x D. y = 4e2 + 20e-x
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Give the value of the indicated trigonometric function of a vector with the indicated end point.(6, 8); Find cos ?.
A. 
B. 
C. 
D. 
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Determine the coordinates of the specified point.Point S
A. 
B. 
C. 
D. 
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Solve the equation by completing the square.25x2 + 30x + 8 = 0
A. {
, 
}
B. {- 
, - 
}
C. {- 
, - 
}
D. {- 
, 
}
Mathematics