A 200 ft guy wire is attached to the top of a tower. If the wire makes a 55° angle with the ground, how tall is the tower?
(a) 163.8 ft
(b) 90 ft
(c) 265 ft
(d) 85.4 ft
(e) 255.6 ft
(a) 163.8 ft
Mathematics
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Sketch the indicated curve or surface.Curves that represent a constant temperature are called isotherms. The temperature at a point (x, y) of a flat plate is t (°C), where t = x + y2. In two dimensions, draw the isotherms for t = -4, -1, 0, 1, 4.
What will be an ideal response?
Mathematics
Determine if the given ordered pair is a solution of the system of equations. HINT: There is no need to graph.(-1, -3)x + y = -4x - y = 2
A. Yes B. No
Mathematics
Evaluate the expression for the values given.abc + b2; a = 5, b = -3, c = 7
A. -114 B. -96 C. -108 D. 114
Mathematics
Find the indicated quotient. Express the final result using positive integral exponents only.
A. 
B. 
C. 
D. 
E. 
Mathematics