Find the exact value of the following expression without using a calculator.sin (270°)
A. 
B. -1
C. 
D. 0
Answer: B
Mathematics
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Use graphical methods to find values of x and y satisfying the given conditions. Find the value of the maximum or minimum.Find x ? 0 and y ? 0 such that40x + 80y ? 560 6x + 8y ? 72 and z = 8x + 12y is maximized.
A. Maximum of 96 when x = 9 and y = 2 B. Maximum of 100 when x = 8 and y = 3 C. Maximum of 92 when x = 4 and y = 5 D. Maximum of 120 when x = 3 and y = 8
Mathematics
Graph the function.y = -sec x
A. 
B. 
C. 
D. 
Mathematics
Find the part.160% of 4110 colleges
A. 657,600 colleges B. 6576 colleges C. 658 colleges D. 65,760 colleges
Mathematics
Find the amount of compound interest earned.$6500 at 6% compounded quarterly for 4 years
A. $10,012.29 B. $398.86 C. $3860.01 D. $1748.41
Mathematics