Refer to right triangle ABC with 
. Solve for all the missing parts using the given information.
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?
Round the answer for the angle to two decimal places, and for the sides, to three decimal places.
?
A. ?
B. ?
C. 
D. ?
E. ?
Answer: C
Mathematics
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Use Descartes' Rule of Signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function.P(x) = 7x20 - 9x14 - 4x11 + 2x2 - 3x
A. 1 or 3 positive; 0 or 2 negative B. 3 positive; 2 negative C. 1 or 3 positive; 1 or 3 negative D. 0 or 2 positive; 0 or 2 negative
Mathematics
Solve the equation.
x = 2 + 
x
A. {-30} B. {60} C. {30} D. {-60}
Mathematics
Solve the system of equations graphically.x - y = 6x + y = 12
A. (18, 6) B. (9, 3) C. (6, 18) D. (3, 9)
Mathematics
Decide which of the points below is a feasible solution for the given constraints.
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A. ( -1, 3 ) B. ( -3, 3 ) C. ( 2, 1 ) D. ( 3, 3 ) E. none of these choices
Mathematics