Solve. Round to the nearest ten-thousandth when necessary.Given that sin ? = 0.225 and that ? is in quadrant I, find sin 4?.
A. 1.6648
B. -0.0444
C. 0.7882
D. 2.5415
Answer: C
Mathematics
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Determine whether the equation has no solution, one solution, or infinitely many solutions.10k - 69 = 5(2k - 15)
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Solve the equation.log2 3 - log2 x = 4
A. 
B. 
C. 
D. 
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Find the degree and leading coefficient of the polynomial.-16x9 - 6x + 9
A. Degree: 11; leading coefficient: -16 B. Degree: 10; leading coefficient: -16 C. Degree: -16; leading coefficient: 9 D. Degree: 9; leading coefficient: -16
Mathematics
Consider regular pentagon ABCDE. If diagonal 
is drawn, then a quadrilateral ACDE is formed. Being as specific as possible, what type of quadrilateral is ACDE?
A. parallelogram B. kite C. trapezoid D. isosceles trapezoid
Mathematics