Write the indicated term of the binomial expansion.(4x + 3)3; 3rd term

A. 108x 
B. 324x 
C. 144x2
D. 81 


Answer: A

Mathematics

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Solve the problem.A formula used by an engineer to determine the safe radius of a curve, R, when designing a particular road is:  where ? is the superelevation of the road and V is the velocity (in feet per second) for which the curve is designed. If   f = 0.1, and   find V. Round to the nearest foot per second.

A. V = 74 ft per sec B. V = 71 ft per sec C. V = 69 ft per sec D. V = 67 ft per sec

Mathematics

Find the standard form of the equation of the ellipse satisfying the given conditions.Major axis vertical with length 14; length of minor axis = 8; center (0, 0)

A.  +  = 1
B.  +  = 1
C.  +  = 1
D.  +  = 1

Mathematics

Find the part.0.5% of 1600 colleges

A. 8 colleges B. 800 colleges C. 0.8 colleges D. 80 colleges

Mathematics

Write a general formula to describe the variation.A varies directly with t2; A = 320 when t = 8

A. A = 5t2
B. A = 
C. A = 40t2
D. A = 

Mathematics