Determine ? in decimal degrees. Round results to an appropriate number of significant digits.cos ? = 0.3152
A. 69.2°
B. 71.6°
C. 69.19°
D. 71.63°
Answer: D
Mathematics
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Provide an appropriate response. What is the measurement needed of the third side of a triangle with two sides of 10 mm and 10 mm to make it a 45°, 45°, 90° triangle?
A. 17.32 mm B. 10 mm C. 7.07 mm D. 14.14 mm
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Complete the square and then use the shifting technique to graph the function.f(x) = x2 - 2x - 3
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operation and simplify if possible.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Determine if the given solution is correct. If it is not, find the solution.Is 9 the solution to -1 + x = 9?
A. yes B. no; x = 8 C. no; x = 10 D. no; x = -10
Mathematics