In the figure below, R = 27 Kê and XC = 39 Kê. Find Z.
a. 40.7 Kê
b. 47.4 Kê
c. 51.3 Kê
d. 68.5 Kê
e. 83.3 Kê
b. 47.4 Kê
Mathematics
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Factor by grouping.18m - 2m2 + 81n - 9nm
A. m(2 + 9n)(9 - 1) B. No common factor C. (2m - 9n)(9 - m) D. (2m + 9n)(9 - m)
Mathematics
Graph the function. Show at least one period.y = 4 sin(?x + 5)
A. 
B. 
C. 
D. 
Mathematics
State the period.
Mathematics
Solve the problem.Find the area of the Bermuda Triangle if the sides of the triangle have the approximate lengths 849 miles, 926 miles, and 1301 miles.
A. 498,394 mi B. 1,568,186 mi C. 392,047 mi D. 519,596 mi
Mathematics